Clinical Laboratory Science
Solved Exam Questions
Course Introduction
Clinical Laboratory Science explores the principles, techniques, and applications of laboratory testing in the diagnosis, treatment, and prevention of disease. This course covers topics such as hematology, clinical chemistry, immunology, microbiology, and molecular diagnostics, emphasizing the role of laboratory professionals in healthcare teams. Students gain hands-on experience with laboratory equipment and protocols, learn to analyze and interpret laboratory data, and understand quality control procedures, safety regulations, and ethical considerations critical to the practice of clinical laboratory science.
Recommended Textbook
The Phlebotomy Textbook 3rd Edition by Susan King Strasinger
Available Study Resources on Quizplus
16 Chapters
1205 Verified Questions
1205 Flashcards
Source URL: https://quizplus.com/study-set/3960 Page 2
Chapter 1: Phlebotomy and the Health-Care Delivery System
Available Study Resources on Quizplus for this Chatper
59 Verified Questions
59 Flashcards
Source URL: https://quizplus.com/quiz/79393
Sample Questions
Q1) The health-care setting in which most phlebotomists are employed is:
A) blood donor center.
B) physician office laboratory.
C) reference laboratory.
D) hospital.
Answer: D
Q2) The health-care professional who provides rehabilitating activities for patients with physical and mental disabilities is a(an):
A) oncologist.
B) occupational therapist.
C) respiratory therapist.
D) nuclear medicine therapist.
Answer: B
Q3) In which of the following patient care areas would the phlebotomist encounter the youngest patient?
A) Pediatrics
B) Dialysis unit
C) Nursery
D) Neonatal nursery
Answer: D
Page 3
To view all questions and flashcards with answers, click on the resource link above.
Chapter 2: The Clinical Laboratory
Available Study Resources on Quizplus for this Chatper
67 Verified Questions
67 Flashcards
Source URL: https://quizplus.com/quiz/79392
Sample Questions
Q1) The difference between plasma and serum is that:
A) serum contains fibrinogen.
B) serum is obtained from a nonclotted specimen.
C) plasma is obtained from a clotted specimen.
D) plasma contains fibrinogen.
Answer: D
Q2) To prevent blood from clotting the specimen must be:
A) collected in a tube containing an anticoagulant.
B) inverted right after collection.
C) centrifuged right after collection.
D) both A and B
Answer: D
Q3) Sickledex
A)Blood bank
B)Chemistry
C)Coagulation
D)Hematology
E)Microbiology
F)Serology
Answer: D
To view all questions and flashcards with answers, click on the resource link above. Page 4
Chapter 3: Regulatory, Ethical, and Legal Issues
Available Study Resources on Quizplus for this Chatper
84 Verified Questions
84 Flashcards
Source URL: https://quizplus.com/quiz/79391
Sample Questions
Q1) When reporting results by telephone, the phlebotomist should do all of the following except:
A) document the patient's identification number.
B) ask the call recipient to repeat the results.
C) document the name of the call recipient.
D) document the time of the call.
Answer: A
Q2) A phlebotomist with a question concerning the specimen type or method of collection for a particular test would consult the:
A) floor book.
B) chemistry supervisor.
C) equipment manufacturer's instructions.
D) procedure manual.
Answer: D
Q3) Errors can occur when phlebotomists overestimate their ability.
A)True
B)False
Answer: True
To view all questions and flashcards with answers, click on the resource link above. Page 5
Chapter 4: Safety and Infection Control
Available Study Resources on Quizplus for this Chatper
56 Verified Questions
56 Flashcards
Source URL: https://quizplus.com/quiz/79390
Sample Questions
Q1) In the chain of infection, a fomite represents which of the following:
A) an infection almost ready to jump to a new host.
B) a mite or other arthropod.
C) equipment and other objects soiled with blood or body fluids.
D) a patient identified as having a particular infection.
Q2) The first thing to do when encountering a fire is to:
A) sound the fire alarm.
B) use the fire extinguisher.
C) evacuate the area.
D) remove anyone in danger.
Q3) A phlebotomist who observes a rash on the hands when gloves are removed should apply hand lotion more frequently.
A)True
B)False
Q4) Transmission-based precautions isolation categories include all of the following except:
A) blood and body fluids.
B) contact.
C) airborne.
D) droplet.
To view all questions and flashcards with answers, click on the resource link above. Page 6
Chapter 5: Basic Medical Terminology
Available Study Resources on Quizplus for this Chatper
42 Verified Questions
42 Flashcards
Source URL: https://quizplus.com/quiz/79389
Sample Questions
Q1) The purpose of a combining form is to:
A) identify the body system.
B) aid in pronunciation.
C) change the meaning of a word.
D) define the root word.
Q2) -prandial
A)Cell
B)Enlargement
C)Meal
D)Pain
E)Surgical opening
F)Tumor
G)Written record
Q3) Neurology is defined as:
A) muscle movement.
B) the study of nerves.
C) paralysis.
D) the stimulation of nerves.
To view all questions and flashcards with answers, click on the resource link above.
Page 7
Chapter 6: Basic Anatomy and Physiology
Available Study Resources on Quizplus for this Chatper
139 Verified Questions
139 Flashcards
Source URL: https://quizplus.com/quiz/79388
Sample Questions
Q1) The main laboratory test to evaluate the urinary system is the:
A) complete blood count (CBC).
B) human chorionic gonadotropin (HCG).
C) urinalysis (UA).
D) urinary tract infection (UTI).
Q2) The neuron that carries impulses from the central nervous system is the:
A) motor.
B) sensory.
C) central.
D) visceral.
Q3) The dorsal part of the body is the:
A) front.
B) back.
C) left side.
D) right side.
Q4) Bone-forming cells are called:
A) osteoblasts.
B) osteoclasts.
C) osteoporosis.
D) osteomalacia.
To view all questions and flashcards with answers, click on the resource link above. Page 8
Chapter 7: Circulatory System
Available Study Resources on Quizplus for this Chatper
58 Verified Questions
58 Flashcards
Source URL: https://quizplus.com/quiz/79387
Sample Questions
Q1) The brachial artery is the site of choice for measuring blood pressure.
A)True
B)False
Q2) Right atrium
A)1
B)2
C)3
D)4
E)5
F)6 G)7
Q3) Pulmonary artery
A)1
B)2
C)3
D)4
E)5
F)6
G)7
To view all questions and flashcards with answers, click on the resource link above.
Page 9
Chapter 8: Venipuncture Equipment
Available Study Resources on Quizplus for this Chatper
68 Verified Questions
68 Flashcards
Source URL: https://quizplus.com/quiz/79386
Sample Questions
Q1) To obtain a serum sample for a stat test on a patient receiving anticoagulant therapy, the recommended tube is:
A) light green.
B) red/gray or gold.
C) yellow/gray or orange.
D) red.
Q2) Tubes containing soybean trypsin inhibitor and thrombin are used to collect specimens for:
A) glucose.
B) fibrin degradation products.
C) blood alcohol levels.
D) paternity tests.
Q3) Electrolytes can be performed on serum or plasma from all of the following tubes except:
A) light green.
B) gray.
C) plastic red.
D) gold.
To view all questions and flashcards with answers, click on the resource link above.
Chapter 9: Routine Venipuncture
Available Study Resources on Quizplus for this Chatper
61 Verified Questions
61 Flashcards
Source URL: https://quizplus.com/quiz/79385
Sample Questions
Q1) Insert the needle.
H)8
Q2) Each phlebotomist develops his or her own style for which of the following parts of the routine venipuncture process?
A) Dealing with patients and performing the actual venipuncture
B) Identifying the patient
C) Drawing multiple blood collection tubes in order
D) Labeling the blood collection tubes.
Q3) Tubes are angled downward during blood collection to:
A) ensure they fill completely.
B) prevent patient discomfort.
C) prevent blood refluxing into the needle.
D) ensure mixing of blood and anticoagulant.
To view all questions and flashcards with answers, click on the resource link above. Page 11
Chapter 10: Venipuncture Complications and Preexamination
Variables
Available Study Resources on Quizplus for this Chatper
93 Verified Questions
93 Flashcards
Source URL: https://quizplus.com/quiz/79384
Sample Questions
Q1) Prolonged application of a tourniquet (for greater than 1 minute) during routine blood collection procedures results in which of the following events:
A) no effect on patient results will occur except for tests for lactic acid.
B) causes hemoconcentration because cells and large molecules are forced into the bloodstream.
C) no significant effects on patient results will occur.
D) causes hemoconcentration as the plasma portion of the blood is forced into the tissues.
Q2) All of the following can cause hemolyzed specimens except:
A) use of 25-gauge needles.
B) shaking a tube forcefully.
C) difficult venipunctures where blood enters the tube slowly.
D) gentle inversion of tubes containing blood.
Q3) When collecting blood into an evacuated tube using a butterfly, it is not necessary to use an adapter.
A)True
B)False
Q4) The puncture site begins swelling while the specimen is being collected from patient
A. What should the phlebotomist do?
Page 12
To view all questions and flashcards with answers, click on the resource link above.
Chapter 11: Special Blood Collection
Available Study Resources on Quizplus for this Chatper
66 Verified Questions
66 Flashcards
Source URL: https://quizplus.com/quiz/79383
Sample Questions
Q1) To ensure patient safety and medication effectiveness, the blood levels of many therapeutic drugs are monitored. The specimens that are typically drawn to do this are:
A) a trough level drawn before the next scheduled dose is given, and a peak level drawn after the dose is given.
B) a trough level drawn as a fasting specimen at 6:00 AM and a peak level drawn 2 hours later.
C) a peak level drawn before the next scheduled dose is given, and a trough level drawn after the dose is given.
D) a peak level drawn as a fasting specimen at 6:00 AM and a trough level drawn 2 hours later.
Q2) To monitor changes in a patient's hemoglobin level, a phlebotomist may be requested to collect:
A) a fasting specimen.
B) specimens from both arms.
C) specimens at specific times.
D) a specimen as soon as possible.
Q3) In what order should the phlebotomist collect these specimens?
Q4) Which specimen should be delivered immediately to the laboratory?
To view all questions and flashcards with answers, click on the resource link above.
Page 13
Chapter 12: Dermal Puncture
Available Study Resources on Quizplus for this Chatper
126 Verified Questions
126 Flashcards
Source URL: https://quizplus.com/quiz/79382
Sample Questions
Q1) Vigorous massaging of the area during dermal puncture will result in:
A) decreased blood flow to the site.
B) a hematoma.
C) specimen contamination by tissue fluid.
D) increased glucose results.
Q2) All of the following statements about neonatal filter paper screening tests are true except:
A) one large drop of blood is used to fill a circle.
B) both sides of the filter paper circle must be filled.
C) specimens are dried in a suspended, horizontal position.
D) stacking of specimens will cause cross-contamination.
Q3) Blood collected by dermal puncture closely resembles the composition of arterial blood for all of the following reasons except:
A) warming the site increases blood flow in the area.
B) capillary samples come from the capillaries, arterioles, and venules.
C) arteries naturally lie near the surface of the collection sites used for dermal puncture.
D) because of the action of arterial pressure.
Q4) Will the CBC results be (falsely) increased or decreased?
Q5) Is it important to collect the bilirubin at 1100? Why or why not?
To view all questions and flashcards with answers, click on the resource link above. Page 14
Chapter 13: Quality Assessment and Management in Phlebotomy
Available Study Resources on Quizplus for this Chatper
99 Verified Questions
99 Flashcards
Source URL: https://quizplus.com/quiz/79381
Sample Questions
Q1) A desirable time for "sweeps" or large numbers of patient collections is:
A) late at night, when patients are in a basal state.
B) after the outpatient collection area closes for the day.
C) early morning hours, when patients are in a basal state.
D) after physicians have finished their patient rounds.
Q2) One effective means of detecting improper patient identification is the:
A) label check.
B) duplicate testing of all patient samples on random days.
C) Delta check.
D) examination of sharps containers for wasted tubes.
Q3) Postexamination variables:
A) involve the reporting of results only.
B) may involve reporting and interpretation of test results.
C) may involve assessing the adequacy of the patient sample.
D) involve the interpretation of test results.
Q4) The Lean System utilizes a tool called "6S" that includes the words:
A) sigma, solo, sanitize, standard, sort, and spending.
B) study, sort, sigma, spend, study again and script.
C) sort, straighten, scrub, safety, standardize. and sustain.
D) sequence, sort, spend, solubilize, study. and sustain.
To view all questions and flashcards with answers, click on the resource link above. Page 15
Chapter 14: Arterial Blood Collection
Available Study Resources on Quizplus for this Chatper
59 Verified Questions
59 Flashcards
Source URL: https://quizplus.com/quiz/79380
Sample Questions
Q1) Syringes used to collect arterial blood gases (ABGs):
A) are coated with mineral oil.
B) are designed to inject the specimen into an analyzer.
C) must be made of glass.
D) should hold at least 10 mL of blood.
Q2) When performing an arterial puncture, the finger of the nondominant hand is:
A) used to anchor the artery.
B) placed where the needle enters the skin.
C) placed where the needle enters the artery.
D) used to measure the patient's heart rate.
Q3) Cleansing the site with alcohol
A)Arteriospasm
B)Hematoma
C)Hemorrhage
D)Infection
E)Nerve damage
F)Vasovagal reaction
Q4) Arterial blood has a more uniform composition than venous blood.
A)True
B)False
16
To view all questions and flashcards with answers, click on the resource link above.
Chapter 15: Point-Of-Care Testing
Available Study Resources on Quizplus for this Chatper
59 Verified Questions
59 Flashcards
Source URL: https://quizplus.com/quiz/79379
Sample Questions
Q1) A trend in quality control results on a Levy-Jennings chart indicates:
A) possible instrument malfunction.
B) use of new reagents and controls.
C) gradual deterioration of reagents.
D) both A and C
Q2) The advantage of rapid group A streptococcus kits is that:
A) they detect small numbers of bacteria.
B) false-negative reactions do not occur.
C) cultures are frequently contaminated.
D) the results are available sooner.
Q3) According to Clinical Laboratory Improvement Amendments (CLIA), a test that can be purchased over the counter for home use is called:
A) waived.
B) moderate complexity.
C) inaccurate.
D) high complexity.
Q4) Transcutaneous bilirubin testing may be requested on a nonjaundiced newborn.
A)True
B)False
To view all questions and flashcards with answers, click on the resource link above. Page 17
Chapter 16: Additional Duties of the Phlebotomist
Available Study Resources on Quizplus for this Chatper
69 Verified Questions
69 Flashcards
Source URL: https://quizplus.com/quiz/79378
Sample Questions
Q1) All of the following are necessary when operating the centrifuge except:
A) firmly securing the lid before operating.
B) placing uncapped tubes across from each other.
C) checking for excessive vibration before walking away.
D) making a final check of balancing before closing the lid.
Q2) Serum or plasma should be separated from cells by centrifugation within:
A) 20 minutes.
B) 60 minutes.
C) 90 minutes.
D) 120 minutes.
Q3) A special precaution to be taken with an amniotic fluid specimen is to:
A) deliver the specimen on ice.
B) keep the specimen at room temperature.
C) centrifuge the specimen within 1 hour.
D) protect the specimen from light.
Q4) A therapeutic phlebotomy is frequently performed to treat:
A) polycythemia.
B) diabetes.
C) anemia.
D) hepatitis.
18
To view all questions and flashcards with answers, click on the resource link above.