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Pharmaceutical Calculations is a foundational course designed to equip students with the quantitative skills necessary for accurate medication preparation and dispensing in pharmacy practice. The course covers key concepts such as unit conversions, dosage calculations, solution preparation, concentration expressions, dilutions, and infusion rates, all rooted in practical, real-world scenarios encountered in clinical and community pharmacy settings. Emphasis is placed on the application of mathematical principles to ensure patient safety, comply with regulatory requirements, and support optimal therapeutic outcomes. Through hands-on exercises and problem-solving, students develop proficiency in performing precise calculations critical to professional pharmaceutical care.
Recommended Textbook
s Pharmacy Technician Principles and Practice 3rd Edition
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31 Chapters
900 Verified Questions
900 Flashcards
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Sample Questions
Q1) Paracelsus was known as the father of medicine.
A)True
B)False
Answer: False
Q2) Gerhard Domagk discovered sulfonamide,the first synthetic antibiotic.
A)True
B)False Answer: True
Q3) Greek scientist and philosopher
A)Paracelsus
B)Asclepius
C)Gregor Mendel
D)Aristotle
E)Hippocrates
F)Roger Bacon
G)Galen
Answer: D
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Q1) The definition of confidentiality is to keep privileged information about a customer from being disclosed without his or her consent.
A)True
B)False
Answer: True
Q2) Until 2000 the drug pseudoephedrine was sold OTC as a decongestant and was not limited in quantity for purchase by the consumer.
A)True
B)False
Answer: False
Q3) As a technician you may provide a patient's personal or medical information to anyone who is a member of your family.
A)True
B)False
Answer: False
Q4) Opioids are stimulants that have no addictive potential.
A)True
B)False
Answer: False
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Q1) Stat doses are delivered within
A)10 minutes
B)20 minutes
C)As soon as possible
D)15 minutes
Answer: D
A)Pharmacy association primarily for technicians founded in 1999
B)Offers certifications in 14 different health care fields
C)State-managed agency that licenses pharmacists and technicians
D)Oldest pharmacy association; founded in 1852
E)National organization for members of state boards of pharmacy
F)First pharmacy technician association; founded in 1979
G)Pharmacy association founded in 1942
H)National board for the certification of pharmacy technicians
I)Recognition given to a technician who passes the PTCB or ICPT
Answer: E
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Sample Questions
Q1) CI = ____
A)51
B)101
C)501
D)11
Q2) A recommended dose for administration of a medication is 21 mg/lb/day.How many milligrams of this drug must be administered daily to a 115 kg adult? ____ mg/day
A)253
B)1097.7
C)2415
D)5313
Q3) The physician orders 392 ml of D W solution to be administered over a 14-hour period.The IV set is calibrated to deliver 15 gtt/ml.How many drops per minute should the patient receive? ____ gtt/min
A)12
B)2
C)7
D)1.9
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Q1) Syrups are ____-based solutions that have medication dissolved into them.
A)Magnesium
B)Potassium
C)Calcium
D)Sugar
Q2) None of the abbreviations that are used in prescribing medication look very much alike.
A)True
B)False
Q3) Ointments work well on the skin surface to cover an area while keeping out:
A)Pathogens
B)Moisture
C)Glycol
D)Sunlight
Q4) Suspension dosage forms are also formulated to be used:
A)Topically, vaginally, in the ear, and parenterally
B)Rectally, vaginally, topically, and in the eye and ear
Page 7
C)Topically, in the eye and ear, and vaginally
D)Topically, in the eye and ear, rectally, and parenterally
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Q1) The United States Pharmacopeia-National Formulary provides official standards for the:
A)Red Book
B)FDA
C)United States Pharmacists Pharmacopoeia
D)All of the above
Q2) Generic drug names do not typically begin with J.
A)True
B)False
Q3) The Orange Book is used to determine whether a generic drug is the same as a brand name drug.
A)True
B)False
Q4) Examples of the various types of information available in Gold Standard/Elsevier products include the following: comprehensive drug details,including pharmacology and pharmacokinetics; contraindications; boxed warnings; precautions; Pregnancy Category; breast-feeding; indications and dosage for all populations; off-label uses; and adverse events.
A)True
B)False

Page 8
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Q1) In an outpatient setting the way in which prescriptions enter the pharmacy will determine the processing of the:
A)Billing
B)Medication
C)Paperwork
D)FDA
Q2) For injectable or intravenous medications,the pharmacy will also fill limited quantities and provide them to the patient's care area,usually for the next 48 or 72 hours.
A)True
B)False
Q3) Interpreting,transcribing,producing labels,filling,and checking are the "____ and ____" of the pharmacy business.
A)Meat, potatoes
B)Apples, bananas
C)Chocolate, peanut butter
D)Peas, carrots
Q4) A prescription can arrive in a pharmacy by various methods.
A)True
B)False
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Q1) ROA
A)Aspirin
B)Chemical that aids in the removal of mucous secretions from the respiratory system
C)Those medications that do not require a prescription but are monitored
D)Fiber used to treat constipation or to cause a feeling of fullness to decrease appetite
E)Drug that reduces swelling, redness, and pain and that promotes healing
F)Medications that do not require a prescription and may be purchased by customers at any retail outlet
G)A drug that relieves pain by reducing the perception of pain
H)A substance that slows or stops the growth of microorganisms on surfaces such as the skin
I)Route of administration
J)A drug that can decrease the coughing reflex
Q2) Which of the following should be avoided when using a sleep aid?
A)Milk
B)Water
C)Alcohol
D)Soda
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Q1) Homeopathy
A)Therapy based on the belief that dilutions of medicinal substances that cause a specific symptom can be used to treat an illness that produces the same symptoms
B)Recognition of a condition
C)Medication made in a laboratory
D)Manual manipulation of the joints and muscles
E)To prevent disease
F)Stops nausea and vomiting
G)Plant that is valued for its medicinal properties
H)Decreases blood pressure
I)An alcoholic extract of plant materials or nonvolatile substances
J)Inert compound believed by the patient to be an active agent
Q2) Alternative medicine has been viewed as being "real" medicine and just as effective as standard practices.
A)True
B)False
Q3) A placebo is the active substance within a drug.
A)True
B)False
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Q1) A hospital pharmacy is considered a home health pharmacy.
A)True
B)False
Q2) What drugs must be labeled before they leave the pharmacy?
A)Chemotherapy drugs
B)Neonatal medications
C)Narcotics
D)All of the above
Q3) Policies and procedures binders contain information pertaining to all of the following except:
A)Employees' weekly schedule
B)Emergency situations
C)Daily work routines and responsibilities
D)Mandatory training
Q4) Only narcotics need to be labeled before they leave the pharmacy.
A)True
B)False
Q5) In narcotics,accurate counts are important.
A)True
B)False

Page 12
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Q1) Which of the following is not necessary personal protective equipment when compounding?
A)Gloves
B)Ear plugs
C)Hair cover
D)Mask
Q2) Which of these are tastes the tongue recognizes?
A)Bitter
B)Sweet
C)Sour
D)All of the above
Q3) For maximum accuracy in measuring liquids use the ____% rule.
A)50
B)10
C)30
D)20
Q4) There are no guidelines for manufacturers that package medications.
A)True
B)False
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Q1) Many medications' final concentrations depend on both the volume of the diluent and the volume of the powder.
A)True
B)False
Q2) What percentage is the minimum passing score required on the written test and practical observation in the hood?
A)80
B)60
C)90
D)70
Q3) The most common sizes used for preparing intravenous medications are 22-gauge,24-gauge,and 32-gauge needles.
A)True
B)False
Q4) The volume of hyperalimentation typically ranges from 2 L to:
A)3 L
B)4 L
C)5 L
D)2.5 L
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Q1) Formulary drugs are as effective as the brand name drugs.
A)True
B)False
Q2) In the past decade,there has been a decline in "me-too" drugs.
A)True
B)False
Q3) HMO stands for Homeopathic Medicinal Organization.
A)True
B)False
Q4) Brand name drugs generally have between 17 and 20 years before patents expire.
A)True
B)False
Q5) Medicare services were broadened in 1980 with the creation of the ____ plan.
A)HMO
B)Medicare Modernization Act
C)PPO
D)Medigap
Q6) PPO is preferred provider organization.
A)True
B)False

Page 15
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Q1) Seniors have fewer interactions with medications than younger patients.
A)True
B)False
Q2) U.S.organization whose mission is to assist the profession of pharmacy in preparing high-quality well-trained technical personnel through education and practical training. Promotes the profession of pharmacy through professional activities and dissemination of information and knowledge to members,pharmacy organizations,and other specialists and professions
A)PTCB
B)ISMP
C)NCC MERP
D)ASHP
E)IHI
F)USP
G)PTEC
Q3) What changes have been made to pediatric OTC dosing?
A)Pictograms
B)Use of plain language
C)Multicultural labels
D)Both A and B
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Q1) Cushing's disease
A)A condition that causes an increase in the level of adrenocorticotropic hormone
B)A condition that results in a decrease in corticoid levels
C)A condition in which a long-acting thyroid stimulator protein is constantly produced
D)A condition associated with a decrease in bone density
E)A condition in which a person's tissues are attacked by his or her own immune system
F)A condition associated with a decrease in overall thyroid function
G)A condition that results in softening and weakening of bones
H)A condition in which the thyroid is enlarged because of a lack of iodine
I)A condition in which development of the brain and body is inhibited
J)A condition associated with low concentrations of calcium in the blood
Q2) The essential components necessary for T and T production are:
A)Iodines
B)Proteins
C)Fatty acids
D)Carbohydrates
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Q1) Parietal lobe
A)Perception of vision
B)Respiration
C)Voluntary movement
D)Problem solving
E)Behavior
F)Understanding language
Q2) The direction of neuronal impulse from the body toward the central nervous system is referred to as autonomic.
A)True
B)False
Q3) In the parasympathetic nervous system,nerves are separated from each other by a saline layer.
A)True
B)False
Q4) Which of the following is not true of myasthenia gravis?
A)It is an autoimmune disorder.
B)It results in musculoskeletal weakness.
C)It affects more men than women.
D)It affects 3 of every 100,000 Americans.
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Q1) Patients with posttraumatic stress disorder have experienced:
A)A terrifying event
B)Trouble being in social situations
C)Panic attacks over most problems
D)None of the above
Q2) Which of the following is not a classification of depression?
A)Postpartum
B)Miniscule
C)Seasonal affective disorder
D)Major
Q3) The elderly can have more drug complications because:
A)They normally are taking several medications
B)They cannot read the labels
C)Their organs can take longer to break down chemicals
D)Both A and C are true
Q4) Historically,people with mental illnesses were:
A)Put in isolation
B)Institutionalized for life
C)Hidden by the family
D)All the above
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Q1) Which of the following is not a mechanism that causes a sneeze?
A)Ciliary action
B)Bronchial tube spasm
C)Peristaltic motion of the bronchioles
D)Cough reflex
Q2) Maxair
A)Decongestants
B)Antihistamines
C)Bronchodilators
D)Antitussives
E)Corticosteroids
F)Expectorant
Q3) Rhinitis can be caused by:
A)Allergens
B)Light odors
C)Ibuprofen
D)Phalange infection
Q4) Nasal decongestants cause an increase in the production of mucus.
A)True
B)False
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Q1) All prescription agents used for the ear must be labeled with auxiliary labels "for the ear" and "external use only."
A)True
B)False
Q2) Which word combination means "eyelid"?
A)Macul/o
B)Blephar/o
C)Ophthalm/o
D)Sclera/o
Q3) In most cases there are several treatment options once permanent hearing loss occurs.
A)True
B)False
Q4) Which drug is not a cephalosporin?
A)Omnicef
B)Cedax
C)Biaxin
D)Ceftin
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Q1) New cells are produced in the basal layer.
A)True
B)False
Q2) All of the following are antibacterial except:
A)Tetracycline
B)Erythromycin
C)Polymyxin B sulfate
D)Ketoconazole
Q3) Acne only appears on the face.
A)True
B)False
Q4) Desquamation is:
A)A normal process
B)Associated with diseases
C)All the above
D)None of the above
Q5) The most effective non-drug treatment for acne is excessive cleaning.
A)True
B)False
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Q1) Which of the following is an antidiarrheal medication?
A)Cephulac
B)Lomotil
C)Sodium phosphates
D)Antivert
Q2) Lomotil is a laxative.
A)True
B)False
Q3) Mylicon
A)Nausea and vomiting
B)Constipation
C)Antiflatulent
D)Laxative
Q4) Serious illness is ____ by consistent stress.
A)Exacerbated
B)Unaffected
C)Soothed
D)Healed
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Q1) Nocturia
A)Kidney stones
B)The loss of control over excretion of urine of feces
C)The loss of bladder control at night
D)The membranous tissue that surrounds and supports the kidneys.
E)Urination
Q2) Edema is the retention of excess fluids usually occurring in the tissue closest to the kidneys.
A)True
B)False
Q3) How much of the kidneys need to function for survival?
A)80%
B)60%
C)40%
D)20%
Q4) Loss of kidney function can be caused by all of the following except:
A)Toxins
B)Drinking too much water
C)Genetic diseases
D)Accidents

Page 24
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Q1) Niacor
A)Antihyperlidemic
B)HMG-CoA reductase inhibitors (statins)
C)Calcium channel blocker
D)Antihypertensives
E)Anticoagulants
F)Diuretics
G)Antiplatelet
Q2) The "silent killer" is:
A)Elevated heart rate
B)Elevated blood pressure
C)Enlarged heart
D)Infection of the endocardium
Q3) Hypertension is commonly called high blood pressure.
A)True
B)False
Q4) A person suffering from bradycardia would have an abnormally high heart rate.
A)True
B)False
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Q1) Hypogonadism is a condition where males become easily aroused.
A)True
B)False
Q2) The reproductive system is an independent system.
A)True
B)False
Q3) A woman with osteoporosis might be given estrogens.
A)True
B)False
Q4) Estrogens are available as:
A)Oral medications
B)Injections
C)Vaginal inserts
D)All of the above
E) None of the above
Q5) Benign prostatic hypertrophy:
A)Is fatal
B)Is cancerous
C)Has no medication to relive symptoms
D)Makes urination difficult
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Q1) The word antibiotic literally means:
A)Flora
B)Against life
C)Bactericidal
D)Ophthalmic
Q2) Large group of unicellular,non-nucleated organisms
A)Antibiotic
B)Symbiotic
C)Parasite
D)PRSP
E)Normal flora
F)Bacteria
G)Inhibit
H)Pneumonia
I)ESBLs
J)VRE
Q3) Gram-positive microbes have a different cell wall than gram-negative microbes.
A)True
B)False
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Q1) Steroids can be administered:
A)Orally
B)Parenterally
C)By inhalation
D)All the above
E) Only A and B
Q2) Inflammation can be caused by:
A)Infection
B)Allergic reactions
C)Injury
D)All of the above
Q3) Opioids are an important analgesic.
A)True
B)False
Q4) The only way glucocorticoids can be produced is pharmaceutically.
A)True
B)False
Q5) Glucocorticoids can affect the body both physiologically and pharmacologically.
A)True
B)False
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Q1) Manufacturers may make claims that their product:
A)Treats a disease
B)Cures a disease
C)Prevents a disease
D)Aids health
Q2) Essential for normal metabolism
A)Vitamin A
B)Vitamin D
C)Vitamin E
Q3) Which of the following is not an essential vitamin?
A)Vitamin E
B)Vitamin B
C)Vitamin K
D)Vitamin A
Q4) Which of the following is false?
A)Zinc is important for the senses of smell and taste.
B)Zinc is important for maintaining the skin's integrity.
C)Zinc helps heal wounds.
D)Zinc helps produce intrinsic factor.
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Q1) Thimerosal is the suspected cause of the unsubstantiated link between autism and vaccines.
A)True
B)False
Q2) The tonsils filter bacteria and other possible infective agents.
A)True
B)False
Q3) Researchers only require a few cells of the contagion to produce a vaccine.
A)True
B)False
Q4) Which organ produces lymphocytes and gradually shrinks as we age?
A)Thymus
B)Tonsils
C)Liver
D)Pancreas
Q5) Orthoclone
A)Inactivated viral vaccines
B)Vaccines against bacterial illness
C)Systemic immunosuppressive agents
D)Biological response modifiers
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Q1) Carcinogen
A)An unexpected change in the molecular structure within the DNA, causing a permanent change in cells
B)An invasive and destructive pattern of rapid, abnormal cell growth; often fatal
C)An agent used to prevent the development, proliferation, or growth of neoplastic cells; a medication used in treatment of abnormal cells
D)A single dose of drug
E)A tumor or growth that is not life-threatening
F)A substance or chemical that can increase the risk of developing cancer
G)The treatment of a disease with toxic chemical substances to slow the disease process or to kill cells
H)A procedure in which a piece of tissue is removed from a patient for examination and diagnosis; the tissue is a sample of the whole
I)The movement or spread of cancerous cells through the body to organs in distant areas
J)A term used to describe a malignant disorder of lymphoid tissue
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Q1) How do viruses replicate?
A)Via DNA and RNA duplication
B)By lying dormant until the host cell is weakened
C)Through fission
D)By invading a host cell and taking over the replication process
Q2) Enzyme
A)The study of microscopic organisms
B)A protein that accelerates a reaction by reducing the amount of energy required to initiate a reaction; also called a biological catalyst
C)A term that describes organisms that need oxygen to survive
D)The study of viruses
E)Requiring complex carbon and nitrogen for metabolic synthesis
F)A microorganism that can live with or without oxygen
G)A term that describes organisms that live in the absence of oxygen
H)The study of life
I)A microscopic organism that replicates exclusively inside the host's cell, using parts of the host cell including DNA, ribosomes, and proteins
J)Refers to microorganisms not visible without a microscope
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Q1) The periodic table has seven horizontal rows of elements.
A)True
B)False
Q2) Used to measure carbon
A)Micro
B)Mole
C)Amino acids
D)Catabolism
E)Ion
F)Covalent bond
G)Metabolism
H)Ionic bond
Q3) Atomic orbit refers to:
A)Being small
B)Being large
C)A subatomic particle of an atom
D)The path of electrons around the nucleus
Q4) Amino acids are proteins that can regulate the speed of reactions.
A)True
B)False
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