Biology for Non-Majors Exam Review
Course Introduction
Biology for Non-Majors offers an engaging introduction to fundamental biological concepts tailored for students without a strong scientific background. This course covers essential topics such as cell structure and function, genetics, evolution, ecology, and the diversity of life. Emphasis is placed on understanding how biological principles relate to everyday life and societal issues, including health, the environment, and biotechnology. Through lectures, discussions, and practical activities, students will gain the knowledge and skills necessary to make informed decisions about biological topics in the modern world.
Recommended Textbook
Biology of Humans Concepts Applications and Issues 4th Edition by Judith Goodenough
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34 Chapters
1618 Verified Questions
1618 Flashcards
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Page 2
Chapter 1: Humans in the World of Biology
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48 Verified Questions
48 Flashcards
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Sample Questions
Q1) Explain how the destruction of the original tropical forests will affect the development of new medicines.
Answer: More than 25% of the prescription medicines in the United States contain chemicals that came from medically important plants.Important medicines,such as aspirin or digitalis,were discovered after using plants as folk remedies.The majority of plant species are in tropical forests.Deforestation will result in the loss of many plant species,and humanity will have no way of knowing what potential new medicines are being destroyed.
Q2) In a double-blind experiment ________.
A)participants are randomly assigned to a control or experimental group
B)the participants are unaware of whether they are in the experimental or control groups due to the use of placebos
C)the researchers are unaware of which participants are in the experimental and control groups
D)All of the above are true.
Answer: D
Q3) All individuals of a species that can interbreed in an area are called a(n)________.
Answer: population
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Chapter 2: Chemistry Comes to Life
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Sample Questions
Q1) In what ways are hydrogen bonds and ionic bonds similar?
A)Both are based on attraction between atoms that carry differences in electrical charge.
B)Both are based on attraction between two atoms that carry negative charges.
C)Both are based on repulsion between atoms that carry differences in electrical charge.
D)Both involve an even sharing of electrons between atoms.
E)Both are based on attraction between two atoms that carry positive charges.
Answer: A
Q2) Which of the following carbohydrates is made by plants and is not digested by humans?
A)lactose
B)starch
C)cellulose
D)glycogen
Answer: C
Q3) Lipids that regulate metabolic processes in biological systems are called ________.
Answer: steroids
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Page 4
Chapter 3: The Cell
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54 Flashcards
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Sample Questions
Q1) George discovered a strange purple slime in his mouth that encouraged him to visit the dentist.The dentist said the new organism was prokaryotic because it had
A)circular DNA
B)DNA in the nucleus
C)relatively large cells
D)membrane-bound organelles
Answer: A
Q2) Suppose that a new poison has just come onto the market that will kill any organism with a nucleus.Which type of organism is most likely to survive?
A)plants
B)Archaea
C)protists
D)fungi
Answer: B
Q3) ________ are membrane proteins that aid adjoining cells to stick to each other. Answer: CAMs (cellular adhesion molecules)
Q4) Proteins are processed and packaged in the organelle known as the ________. Answer: Golgi complex
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Chapter 4: Body Organization and Homeostasis
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60 Verified Questions
60 Flashcards
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Sample Questions
Q1) In negative feedback,a muscle or gland works to counteract a change in homeostasis.The muscles or glands doing this are said to be ________.
Q2) The largest organ of your body is ________.
A)your heart
B)your lungs
C)your skin
D)your intestines
Q3) Compare and contrast the three types of muscle tissue.
Q4) Which layer lacks blood vessels?
A)hypodermis
B)subcutaneous
C)epidermis
D)dermis
Q5) What are the signs of skin cancer that distinguish it from other skin irregularities?
Q6) If you want to avoid skin cancer,the safest thing to do is ________.
Q7) Explain how the hypothalamus regulates body temperature when a person is exposed to warm conditions.
Q8) ________ is the pigment produced by melanocytes that gives skin its color.
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Chapter 5: The Skeletal System
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Sample Questions
Q1) Explain the structure and function of the pectoral and pelvic girdles.
Q2) The ________ girdle connects the legs to the vertebral column.
Q3) Bones that form on either side of the cranium and are thought of as the temples.
A)Carpals
B)Osteoclasts
C)Femur
D)Lumbar
E)Sacrum
F)Humerus
G)Tarsals
H)Metatarsals
I)Osteoblasts
J)Foramen magnum
K)Temporal
Q4) Which of these cranial bones separates the cranial cavity from the nasal cavity and provides the olfactory nerves with access to the brain?
A)temporal
B)foramen magnum
C)sphenoid
D)ethmoid
Page 7
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Chapter 6: The Muscular System
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Sample Questions
Q1) My sister Adel plays tennis with me every Wednesday evening.Towards the end of our game our quick hits are mostly powered by ________.
A)ATP and creatine phosphate reserves
B)anaerobic pathways of ATP production
C)aerobic pathways of ATP production
D)slow-twitch cells
Q2) The arrangement of muscles so that the action of one muscle is opposite to that of its partner is referred to as ________.
A)synergistic
B)antagonistic
C)dual
D)insertion
Q3) Why is ATP needed for muscle contraction?
A)It causes tropomyosin to slide off the myosin binding sites of actin.
B)It's needed for calcium release from the sarcoplasmic reticulum.
C)It causes calcium to bind to troponin.
D)Myosin has to physically contact the actin filament and move to pull it toward the midline of the sarcomere.
Q4) Explain the function of ATP in muscle contractions.
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Chapter 7: Neurons: the Matter of the Mind
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59 Verified Questions
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Sample Questions
Q1) What are some of the dangers associated with the use of pesticides that might be of concern for humans? What are some ethical concerns related to their use?
Q2) Ouabain is a chemical used on poison arrows in Africa.It works by inhibiting the Na+/K+ pump.What effect would this have on an action potential?
A)It would prevent the stimulation of an action potential by removing Na+ from the cell.
B)It would immediately cause an action potential to be generated.
C)There would be no direct effect because the pump is used to maintain ion distributions, not to cause an action potential.
D)It would cause the release of a neurotransmitter that would cause an action potential.
Q3) Multiple sclerosis is a disease in which the myelin sheath is destroyed.What will happen to nerve conduction speed in affected neurons?
A)It will slow down dramatically.
B)It will speed up dramatically.
C)It will speed up just a little bit.
D)There will be no effect.
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9
Chapter 8: The Nervous System
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Sample Questions
Q1) Which of the following is a specific function of the cerebrospinal fluid?
A)thinking
B)promoting inflammation
C)bone building
D)shock absorption
Q2) Which of the following can be defined as a collection of structures involved in emotions and memory?
A)CNS
B)limbic system
C)autonomic system
D)parasympathetic system
Q3) Which of these structures is located under the cerebral hemispheres and is important in sensory experience,motor activity,stimulation of the cerebral cortex,and memory?
A)hypothalamus
B)thalamus
C)pons
D)cerebellum
Q4) A circuit of neurons that helps in the automatic response to a stimulus is a(n)________.
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Chapter 9: Sensory Systems
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Sample Questions
Q1) What factors can contribute to external ear infections and middle ear infections? Why are children more prone than adults to getting middle ear infections?
Q2) ________,one type of sensory structure,detect muscle length.
Q3) When pressure builds in this area,the blood vessels supplying the rods and cones may collapse.The area where the pressure may rise is called the ________.
A)vitreous humor
B)posterior chamber
C)anterior chamber
D)tear glands
Q4) Explain and describe the five primary tastes.
Q5) Why is the sense of smell associated with memories and emotions?
Q6) Hearing loss results from prolonged exposure to sound over ________
A)85 dB
B)100 dB
C)60 dB
D)This has not yet been determined.
Q7) Sensory receptors in muscles and joints that detect ________ never adapt.
Q8) Sensory receptors respond to changes in the environment called ________.
Q9) The stapes,malleus,and ________ bones are located in the middle ear.
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Chapter 10: The Endocrine System
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Sample Questions
Q1) George is 16 years old and really wants to make the high school basketball team.Although he is skilled,he is only 5'10" tall.What advice would you give him about taking human growth hormone?
Q2) The ________ is a shield-shaped structure in the front of the neck that is deep red in color because of its extensive blood supply.
Q3) A group of disorders characterized by problems in insulin production or function.
A)Myxedema
B)Addison's disease
C)Diabetes insipidus
D)Adrenal medulla
E)Grave's disease
F)Cushing's syndrome
G)Cretinism
H)Diabetes mellitus
I)Acromegaly
Q4) An injection of the pancreatic hormone ________ would cause blood glucose levels to fall.
Q5) The ________ are endocrine cells that occur in small clusters in the pancreas.
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Chapter 11: Blood
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Sample Questions
Q1) TPA,or tissue plasminogen activator,is a compound sometimes given to a person suffering from a heart attack.Why would a compound that apparently activates plasminogen be useful in treating a heart attack?
Q2) This enzyme digests fibrin.
A)White blood cells
B)Basophils
C)Formed elements
D)Red blood cells
E)Plasma
F)Plasmin
G)Stem cells
H)Granulocytes
I)Platelets
J)Agranulocytes
Q3) Clots are dissolved by an enzyme called ________ after the wound has healed.
Q4) The number of people in the general population with type AB blood is relatively small.That is fortunate because these people make the least useful donors.Why would that be the case?
Q5) How are the red blood cells produced in the body and what might stimulate this process?
13
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Chapter 12: The Cardiovascular and Lymphatic Systems
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61 Flashcards
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Sample Questions
Q1) When these valves open,blood goes from the atria to the ventricles.
A)AV node
B)SA node
C)SL valves
D)AV valves
Q2) Structures that function to protect the throat against bacteria and foreign agents.
A)Veins
B)Thymus
C)Tonsils
D)Jugular veins
E)Circulatory
F)Aorta
G)Capillaries
H)Exercise
I)Pulmonary veins
J)Spleen
Q3) If the connective tissue in the ventricles,called ________,give way,blood may go backwards through the AV valves:
Q4) Explain the mechanics of muscle contraction during a heartbeat.
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Chapter 13: Body Defense Mechanisms
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Sample Questions
Q1) An example of a(n)________ barrier is lysozyme found in tears and saliva.
Q2) A child may be given the vaccine for chickenpox.If the child goes to school and plays with other children who have the chickenpox virus,the vaccinated child will not get sick.Why is this?
A)Vaccines act like antibiotics so that any organism in the body will be destroyed before the immune system has to respond.
B)Vaccines introduce a friendly virus into cells so they cannot be infected with a second virus.
C)Vaccines produce a primary response so a second exposure allows for a larger and more rapid response.
D)Vaccines stimulate macrophages to work extra hard to fight infections.
Q3) According to preliminary tests Alexandra has liver cancer but the mass is inoperable and hard to localize.In order to administer x-ray beam therapy safely and effectively,the doctors must find the exact location of the cancer.Which of the following methods would be best in this situation?
A)radioactive monoclonal antibodies
B)florescence-linked B-cells
C)activated neutrophils
D)enormous mast cell injections
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Page 15
Chapter 14: The Respiratory System
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63 Flashcards
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Sample Questions
Q1) The exchange of oxygen and carbon dioxide between the blood and the lungs is called ________.
A)inspiration
B)external respiration
C)exhalation
D)internal respiration
Q2) People who fight forest fires for a living might have trouble blowing out the candles on their birthday cake because their ________ is reduced.
A)tidal volume
B)expiratory reserve volume
C)residual volume
D)vision
Q3) The ________ are muscles of the rib cage that help to increase the size of the thoracic cavity during inhalation.
Q4) Which of the following is a significant function of the nose?
A)conditioning of inhaled air
B)gas exchange
C)equilibrium
D)carbonic anhydrase activity
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Chapter 15: The Digestive System
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Sample Questions
Q1) Each time Cyrus drinks milk,he develops gas,bloating,and abdominal discomfort.He probably has ________.
Q2) ________ is a hormone secreted by the cells in the stomach lining that functions to increase gastric juice release.
Q3) A hormone released in the small intestine that stimulates the pancreas to release digestive enzymes and the gallbladder to release bile is known as ________.
A)gastrin
B)secretin
C)cholecystokinin
D)VIP
Q4) Which is a common ailment characterized by a burning sensation caused by gastric juices backing up into the esophagus?
A)heartburn
B)acidosis
C)porosis
D)gastritic stress
Q5) If you had a friend with a peptic ulcer,would you recommend that he or she take aspirin for the pain? Why or why not?
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Chapter 16: The Urinary System
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64 Verified Questions
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Sample Questions
Q1) An abrupt cessation of kidney function is called ________.
A)chronic renal failure
B)pyelonephritis
C)cystitis
D)acute renal failure
Q2) In the male,an enlarged ________ gland may squeeze the urethra,causing urinary retention.
Q3) The lack of voluntary control over urination because of the inability to control the external urethral sphincter is called ________.
A)urinary incontinence
B)renal failure
C)urination
D)micturition
Q4) Cloudy urine would indicate which of the following?
A)water imbalance
B)too much protein in the diet
C)bacteria in the urinary system
D)low pH
Q5) ________ involves the relaxation of the external urethral sphincter,emptying the bladder.
18
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Chapter 17: Reproductive Systems
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Sample Questions
Q1) The secretions of the ________ contain fructose and prostaglandins.
Q2) What are the main differences in the formation of the egg and sperm in males and females?
Q3) Which hormone in men could be manipulated to eliminate sperm production without producing problems with the maintenance of secondary sex characteristics?
A)gonadotropin-releasing hormone (GnRH)
B)testosterone
C)follicle stimulating hormone (FSH)
D)luteinizing hormone (LH)
Q4) The ________ are the structures that occur between the ovaries and the uterus.
Q5) What do the cells that form the outer sphere of the mature Graafian follicle become once luteinizing hormone transforms the cells?
A)ovum
B)follicle
C)corpus luteum
D)endometrium
Q6) The external genitalia or ________ are the reproductive structures that lie outside the vagina.
Q7) The ________ are tubes that conduct sperm from the epididymis to the urethra.
Page 19
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Chapter 18: Development Throughout Life
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Sample Questions
Q1) A significant percentage of pre-embryos fail to continue their development or to implant in the uterus.Explain what may happen to prevent development from continuing.
Q2) Process during which a single sperm penetrates the secondary oocyte,which will eventually result in the fusion of the egg and sperm nuclei and the development of a zygote.
A)Ovulation
B)Cleavage
C)Implantation
D)Human chorionic gonadotropin
E)Chorion
F)Zygote
G)Parturition
H)Blastocyst
I)Fertilization
J)Placenta
K)Polyspermy
L)Morula
Q3) The ________ is a group of cells that will develop into the chorion.
Q4) What physiological processes are involved in lactation?
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Chapter 19: Chromosomes and Cell Division
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Sample Questions
Q1) What is decreased during the process of meiosis?
A)the size of chromosomes
B)the number of cells
C)the number of chromosomes
D)All of the above are true.
Q2) Eukaryotic cell division consists of interphase and cell division.Explain what happens in the three parts of interphase (G1,S and G2).
Q3) The shuffling of maternal and paternal forms of genes in prophase I.
A)Interphase
B)Telophase
C)Cytokinesis
D)Haploid
E)Metaphase
F)Gene
G)Anaphase
H)Crossing over
I)Anaphase I
Q4) The failure of either homologous chromosomes to separate during meiosis I or sister chromatids to separate during meiosis II is called ________.
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Chapter 20: Genetics and Human Inheritance
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Sample Questions
Q1) The expression of the trait in heterozygous individuals is somewhere between the expression of the trait in the homozygous recessive and homozygous dominant individual.
A)Autosomes
B)Phenotype
C)Incomplete dominance
D)Duplication
E)Heterozygous
F)Codominance
G)Linkage
H)Pedigree
I)Gene
J)Deletion
Q2) Which genetic condition can be described as the inheritance of the heterozygous phenotype,which is expressed as an intermediate between the dominant and recessive alleles?
A)dominance
B)codominance
C)incomplete dominance
D)epistasis
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Page 22
Chapter 21: Dna and Biotechnology
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Sample Questions
Q1) According to base pairing rules,adenine will only pair with this.
A)Genome
B)DNA polymerases
C)Gene therapy
D)Guanine
E)Thymine
F)RNA polymerase
G)Codons
H)Biotechnology
I)Epigenetics
Q2) Which of the following is a process in translation in which tRNA molecules deliver amino acids in the correct sequence,causing peptide bonds to form and increasing the length of the polypeptide chain?
A)initiation
B)elongation
C)termination
D)transcription
Q3) The end product of transcription is the production of a(n)________.
Q4) Why is DNA replication semi-conservative?
Q5) RNA usually is ________ stranded
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Chapter 22: Evolution and Our Heritage
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Sample Questions
Q1) The two-part name that consists of the genus followed by the species name first developed by Carl Linnaeus.
A)Latin binomial
B)Homo erectus
C)Chimpanzees
D)Neanderthals
E)Australopithecus africanus
F)Astragalus
G)Convergent evolution
H)Ardipithecus ramidus
I)Founder effect
J)Homo habilis
Q2) Which of the following species is most likely to be infected with the newly discovered human virus Zeta 1?
A)orangutan
B)mouse
C)potto
D)kangaroo
Q3) A difference in appearance between males and females in a species is called
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Chapter 23: Ecology, the Environment, and Us
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Sample Questions
Q1) Rattlesnakes eat grain-eating rodents,so the snakes would be in which trophic level?
A)producers
B)primary consumers
C)decomposers
D)secondary consumers
Q2) American Bison consume only plants,so we would say they are ________.
A)carnivores
B)herbivores
C)omnivores
D)producers
Q3) All the potentially interacting species in an ecosystem are said to make up a(n)________.
Q4) The element molybdenum is vital in the process of nitrogen fixation.For which crop would molybdenum be most critical to ensure success?
A)alfalfa
B)wheat
C)cauliflower
D)apples
Q5) What are the differences between primary and secondary succession?
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Chapter 24: Human Populations, limited Resources, and Pollution
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Sample Questions
Q1) The ________ drift up to the stratosphere,where UV radiation causes them to break down to their atomic form,one of which breaks down ozone.
Q2) Which of the following is a density independent population-regulating factor?
A)a tornado
B)a famine
C)a parasite
D)an outbreak of a new, lethal flu strain
Q3) Ultraviolet light can cause this potentially deadly skin disease.
A)Death rate
B)Carrying capacity
C)Ozone
D)Desertification
E)Density-dependent
F)Skin cancer
G)Emigration
H)Carbon footprint
I)Chlorofluorocarbons
J)Age structure
Q4) Overgrazing transforms marginal farmlands to deserts,a process called ________.
Q5) Ozone in the atmosphere shields us from ________.
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Chapter 25: Food Safety and Defense
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Sample Questions
Q1) A food product labeled organic has been certified to be ________.
A)grown without certain synthetic pesticides or fertilizers
B)free of pathogens
C)genetically altered to be safer to eat
D)All of the above are true.
Q2) In reviewing the list of food storage guidelines,certain meats expire more quickly than others.In comparing chicken,seafood,and bacon,the bacon has the longest shelf life of the three.Speculate on why this is so.
Q3) Although you love the taste of uncooked cookie dough,you have heard warnings about the risk of foodborne illness that comes from eating raw food products.Based on the ingredients in cookie dough,which type of pathogen should you be most concerned with?
A)Escherichia coli O157:H7
B)Clostridium botulinum
C)Campylobacter jejuni
D)Salmonella
Q4) Explain three things you can do at home to prevent foodborne illness.
Q5) Why is the process of irrigation with run-off water a bad practice? What measures should you take to protect yourself from acquiring a foodborne illness from crops?
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Chapter 26: Drugs and the Mind
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Sample Questions
Q1) This drug is normally injected but can also be processed into forms that can be smoked or inhaled.It is a synthetic opiate that produces feelings of ecstasy.
A)marijuana
B)caffeine
C)alcohol
D)heroin
Q2) Tundie is an accomplished lab technician.She wants to determine if her boyfriend is still smoking marijuana,a habit he swore he would give up.She can't test his blood for THC,because performing this test might arouse the suspicions of the authorities.Which of the following more subtle blood findings might suggest that her boyfriend it still smoking the weed?
A)increased blood nicotine
B)low blood carbon dioxide
C)low blood oxygen
D)high blood niacin
Q3) Angie wants to go with her boyfriend to a bar and consume some alcohol but she does not want to become intoxicated because she needs to drive them both home after 2 hours.She weighs 120 pounds.What advice can you give her based on the information in the textbook?
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Page 28
Chapter 27: Diabetes Mellitus
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Sample Questions
Q1) Which of the following is recommended for diabetes mellitus patients?
A)smoking
B)binge drinking
C)inactivity
D)controlling stress
Q2) Which of the following is a normal blood glucose reading?
A)400 mg/dl
B)90 mg/dl
C)30 mg/dl
D)4% Hb A1c
Q3) Saito has diabetes mellitus type 1 and requires frequent insulin injections.He would much prefer to swallow pills instead of giving himself injections.Explain to him why this is not possible.What other option does he have besides an injection or an insulin pen?
Q4) Summarize the origins and functions of insulin in the body.
Q5) Which of the following is true of diabetes mellitus type 1?
A)Patients always require insulin.
B)Cells become resistant to insulin.
C)Most people with diabetes mellitus have this form.
D)It can be delayed or prevented.
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Chapter 28: a Cardiovascular Disease
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Sample Questions
Q1) Which of the following might be an indicator of atherosclerosis?
A)inflammatory chemicals in the blood
B)high HDL levels in the blood stream
C)quiet lifestyle
D)low blood pressure
Q2) When a leg vein is grafted to provide an alternate route around a point of obstruction between the aorta and a clogged coronary artery,the procedure is called
A)angioplasty
B)stent
C)coronary bypass
D)coronary infarction
Q3) During the summer of 2010,there were very large forest fires in Western Russia.The cloud spread at some point over 1,000 miles (approximately 1600 km),enveloping a number of cities.The smoke was thicker than any you would see in a tobacco store! Based on the information in this chapter alone,why do you think the daily death rate due to heart disease in Moscow doubled during that time?
Q4) What are some ways that hypertension can kill?
Q5) How could lipids lead to a myocardial infarction?
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Chapter 29: a Special Topic: Infectious Disease
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Sample Questions
Q1) A patient developed mononucleosis caused by a virus during his early teen years but then did not exhibit any signs of the condition for many years.He then had a bad traffic accident at age 39 and had mononucleosis again,although he had not been exposed to anyone carrying the causative virus.His infected cells were rapidly releasing new viruses.The virus is exhibiting the following effect.
A)lytic infection
B)persistent infection
C)toxin production
D)transformation
Q2) Developers wish to build a road through an isolated area where few people have ever visited before.The proposed route is wet and warm with many species of wild rodents and other mammals.What issues concerning disease might this route raise?
Q3) A new antibiotic is introduced which will only destroy organisms lacking a nuclear membrane.A dispute develops over its safety when used in people.What arguments would you use in this discussion?
Q4) Infectious proteins that are heat-resistant and that cannot be destroyed by ultraviolet light or most chemicals are known as ________.
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Chapter 30: a Nutrition and Weight Control
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Q1) What are some specific health benefits of indigestible carbohydrates and where can a person find them?
Q2) Which of the following substances has the lowest glycemic index?
A)fiber
B)glucose
C)white bread
D)white rice
Q3) According to this chapter,what should a person take to promote proper bone development?
Q4) In former times,the British Royal Navy required their captains to provide citrus fruits in order to prevent scurvy.This action provided their sailors with this vitamin.
A)thiamin
B)niacin
C)vitamin C
D)vitamin B-12
Q5) According to the chapter,a person might prevent atherosclerosis by following these dietary guidelines.
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Chapter 31: Sexually Transmitted Diseases and Aids
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Q1) A 25-year-old female is in early labor.After delivering the baby (by a normal vaginal delivery),the patient asks the doctor about some symptoms she had during pregnancy,including discharge and painful urination.She has a history of multiple sex partners and very rarely used condoms.You suspect a potential STD is the cause.The biggest risk at this point is ________.
A)There is no major risk at this point.
B)to the mother: an untreated STD is almost always fatal
C)to the baby: he or she can be infected while moving through the birth canal
D)to the mother: she may become infertile
Q2) We often hear young teenagers claim that oral sex doesn't count as "real" sex.While oral sex won't cause pregnancy,it does have many of the same risks associated with "real" sex.Explain to one of these young teenagers what sorts of risks come with alternative forms of sexual contact,such as oral sex.
Q3) Why is it not possible for HIV medications to eliminate HIV in a confirmed HIV+ patient?
Q4) Why is a male more likely than a female to seek treatment for chlamydia and gonorrhea?
Q5) Why are treatable diseases like chlamydia so widespread in the world?
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Chapter 32: Autism Spectrum Disorders
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Q1) Hypotheses for the cause of autism include or have included in the past ________.
A)vaccinations
B)aberrant parenting
C)genetics
D)all the above
Q2) Which of the following is not one of the diagnostic criteria for ASDs?
A)impairments in social behavior
B)impairments in communication
C)aggressive behaviors
D)repetitive behaviors
Q3) The most reliable diagnostic tool for autism spectrum disorders is ________.
A)neuroimaging
B)observation
C)genetic testing
D)the use of screening tests
Q4) Explain the diagnostic criteria and symptoms used to distinguish between autism and Asperger syndrome.
Q5) Describe some of the environmental risk factors associated with ASDs.
Q6) What therapies can be used for those with ASDs?
Page 34
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Chapter 33: Stem Cells a Repair Kit for the Body
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Q1) Which of the following statements is false concerning stem cells and stem cell research?
A)Stem cells are created as the result of in vitro fertilization procedures.
B)Stem cells that are desirable for research come from embryos that are only a few days old.
C)Stem cell research in the United States is federally funded under all circumstances. D)Stem cells are not yet differentiated.
Q2) As stem cell research rapidly developed,it became a political and ethical issue.Describe how the ethical and political approach towards stem cell research has changed in the past decade.
Q3) Explain how a stem cell line would be developed.
Q4) Which one of the following correctly describes the order of stem cells from the lowest degree of flexibility to the highest degree of flexibility?
A)unipotent < multipotent < pluripotent < totipotent
B)multipotent < unipotent < pluripotent < totipotent
C)pluripotent < unipotent < totipotent < multipotent
D)unipotent < multipotent < totipotent < pluripotent
Q5) Describe several potential applications for embryonic stem cell research.
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Chapter 34: Cancer
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Q1) Which of the following is not a characteristic of cancerous cells?
A)immortality
B)contact inhibition
C)unusual shapes and sizes
D)All of the above are characteristics of cancerous cells.
Q2) Certain new cancer therapies deal with the inhibition of angiogenesis (formation of blood vessels).How would inhibition of blood vessel formation be beneficial in terms of treating cancer?
Q3) A(n)________ is an abnormal mass of tissue that is surrounded by a capsule of connective tissue and that usually remains at the site where it forms.
Q4) Which type of cancer had the largest percentage of deaths among women in 2009?
A)breast
B)ovarian
C)pancreatic
D)lung and bronchus
Q5) Explain why malignant tumors are more dangerous than benign tumors.
Q6) ________ can be detected through a blood test that detects a specific antigen called PSA.
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