Clinical Laboratory Science
Exam Answer Key
Course Introduction
Clinical Laboratory Science is an interdisciplinary field that focuses on the use of laboratory techniques to analyze bodily fluids, tissues, and cells in order to diagnose, monitor, and treat diseases. Students in this course will gain a comprehensive understanding of clinical laboratory procedures, principles of laboratory instrumentation, quality assurance practices, and the interpretation of diagnostic results. The curriculum covers areas such as hematology, microbiology, clinical chemistry, immunology, and molecular diagnostics, preparing students to function effectively as key members of the healthcare team and to ensure the accuracy and reliability of laboratory data vital to patient care.
Recommended Textbook
The Phlebotomy Textbook 3rd Edition by Susan King Strasinger
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16 Chapters
1205 Verified Questions
1205 Flashcards
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Chapter 1: Phlebotomy and the Health-Care Delivery System
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59 Verified Questions
59 Flashcards
Source URL: https://quizplus.com/quiz/79393
Sample Questions
Q1) A competent professional demeanor is shown by:
A) neatness and cleanliness.
B) courtesy and cheerfulness.
C) pleasantness.
D) all of the above.
Answer: D
Q2) Upon the successful completion of a structured phlebotomy education program, the phlebotomist will have the opportunity to become:
A) accredited.
B) validated.
C) certified.
D) inspected.
Answer: C
Q3) The emergency department (ED), intensive care unit (ICU), and operating room (OR) are part of professional services.
A)True
B)False
Answer: False
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Chapter 2: The Clinical Laboratory
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67 Verified Questions
67 Flashcards
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Sample Questions
Q1) All of the following are tests that measure cardiac risk except:
A) alkaline phosphatase.
B) cholesterol.
C) triglycerides.
D) high-density lipids.
Answer: A
Q2) Activated partial thromboplastin time (APTT)
A)Blood bank
B)Chemistry
C)Coagulation
D)Hematology
E)Microbiology
F)Serology
Answer: C
Q3) The laboratory department responsible for frozen sections is:
A) microbiology.
B) cytology.
C) cytogenetics.
D) histology.
Answer: D
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Chapter 3: Regulatory, Ethical, and Legal Issues
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84 Verified Questions
84 Flashcards
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Sample Questions
Q1) Most medical errors are the result of human negligence.
A)True
B)False
Answer: False
Q2) Phlebotomist error could be a root cause of:
A) a hemolytic transfusion reaction.
B) surgery performed on the wrong patient.
C) infant discharge to the wrong family.
D) amputation of the wrong leg.
Answer: A
Q3) The primary focus of continuous quality improvement is to improve:
A) testing quality control.
B) personnel communication.
C) patient outcomes.
D) workplace infrastructure.
Answer: C
Q4) According to the Institute of Medicine, most medical errors are preventable.
A)True
B)False
Answer: True
Page 5
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Chapter 4: Safety and Infection Control
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56 Verified Questions
56 Flashcards
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Sample Questions
Q1) Personal protective equipment (PPE) should be put on in the following order:
A) gloves, gown, and mask.
B) mask, gloves, and gown.
C) gown, mask, and gloves.
D) gloves, mask, and gown.
Q2) Paper
A)Class A
B)Class B
C)Class C
D)Class D
E)Class E
Q3) An infection contracted by a patient while in the hospital is termed:
A) antibiotic-resistant.
B) staphylococcal.
C) nosocomial.
D) unfortunate.
Q4) Post-exposure prophylaxis (PEP) should be initiated within 24 hours for maximum benefit.
A)True
B)False
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Chapter 5: Basic Medical Terminology
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42 Verified Questions
42 Flashcards
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Sample Questions
Q1) Medical terminology is primarily based on which of the following languages?
A) French and English
B) Greek and Latin
C) German and Latin
D) Greek and French
Q2) The term <b>dermatitis</b> means:
A) removal of skin.
B) skin puncture.
C) skin inflammation.
D) repair of skin.
Q3) -ostomy
A)Cell
B)Enlargement
C)Meal
D)Pain
E)Surgical opening
F)Tumor
G)Written record
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Page 7
Chapter 6: Basic Anatomy and Physiology
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139 Verified Questions
139 Flashcards
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Sample Questions
Q1) All of the following are parts of the immune system except:
A) B lymphocytes and T lymphocytes.
B) sympathetic system and parasympathetic system.
C) humoral immunity and cell-mediated immunity.
D) antigens and antibodies.
Matching
Q2) An infection of the nerves that control skeletal muscle movement is:
A) muscular dystrophy.
B) myasthenia gravis.
C) poliomyelitis.
D) myalgia.
Q3) The blood-forming tissue found in the center of bone is called:
A) synovial fluid.
B) bone marrow.
C) cartilage.
D) ligaments.
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Chapter 7: Circulatory System
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58 Verified Questions
58 Flashcards
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Sample Questions
Q1) A sphygmomanometer is used to measure:
A) heart muscle damage.
B) pulse rate.
C) blood pressure.
D) heart rate.
Q2) The large vein that returns blood from the head, neck, thorax, and upper limbs to the right atrium of the heart is the:
A) aorta.
B) inferior vena cava.
C) carotid artery.
D) superior vena cava.
Q3) Monocyte
A)Antibody production
B)Becomes a macrophage
C)Increased in allergies
D)Increased in bacterial infections
E)Releases histamine
Q4) Fibrinolysis must occur before a clot is formed.
A)True
B)False
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Chapter 8: Venipuncture Equipment
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68 Verified Questions
68 Flashcards
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Sample Questions
Q1) A butterfly would be primarily used to collect blood from the: A) heel.
B) antecubital vein.
C) finger.
D) hand.
Q2) Many newer instruments in the laboratory are able to withdraw patient sample directly through the stopper of an unopened blood collection tube. The instrument identifies the correct tube by means of:
A) the color of the stopper.
B) the diameter of the tube.
C) a bar-coded label on the tube.
D) the patient's last name on the tube.
Q3) Rubber stoppers are specially formulated
A)Black
B)Pink
C)Red/gray or gold
D)Royal blue
E)Tan
F)White
G)Yellow/gray or orange
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Chapter 9: Routine Venipuncture
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61 Verified Questions
61 Flashcards
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Sample Questions
Q1) When properly used and organized before performing a venipuncture, the patient requisition forms will allow the phlebotomist to do all of the following except:
A) review the tests ordered and the time/date for specimen collection.
B) review previously ordered and collected tests for each patient.
C) review any special conditions or patient preparation for this specimen collection.
D) review if all requisitions for a particular patient are organized by the day/time of draw.
Q2) Cleanse the site.
A)1
B)2
C)3 D)4 E)5
F)6
G)7
H)8
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11
Chapter 10: Venipuncture Complications and Preexamination
Variables
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93 Verified Questions
93 Flashcards
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Sample Questions
Q1) Forcing blood from a syringe into an evacuated tube may:
A) increase potassium values.
B) decrease glucose values.
C) produce lipemic serum.
D) contaminate a blood culture.
Q2) When a phlebotomist enters a room to draw blood, the patient states that blood was just collected 20 minutes ago. The phlebotomist should:
A) draw the patient and notify the nursing station.
B) check the patient's arm for bleeding.
C) draw the patient from the other arm.
D) check the order with the nursing station before drawing.
Q3) Attempting to draw blood from a vein that is occluded may result in:
A) patient syncope.
B) formation of a hematoma.
C) failure to obtain sufficient blood.
D) excessive bleeding.
Q4) The nurse shuts off the intravenous line in patient B for 2 minutes so that blood can be collected from the line. List the order of the syringes used and what is done with the blood.
Page 12
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Chapter 11: Special Blood Collection
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66 Verified Questions
66 Flashcards
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Sample Questions
Q1) When transferring blood from a syringe to a blood culture bottle, a new needle should be used.
A)True
B)False
Q2) Where should the phlebotomist collect these specimens?
Q3) The best choice of equipment for venipuncture from a geriatric or pediatric patient with small fragile veins is a:
A) 23-gauge needle and a butterfly with a syringe.
B) 23-gauge needle and a butterfly and evacuated tubes.
C) 21-gauge needle and a small syringe.
D) 25-gauge needle and an evacuated tube.
Q4) Major phlebotomy rounds are scheduled early in the morning because
A) physicians make their rounds before 0800.
B) most medications must be administered before 0700.
C) patients will be in a basal state.
D) visitors are usually not present.
Q5) It is best to address geriatric patients using their first names.
A)True
B)False
Q6) Which specimen should be delivered immediately to the laboratory?
Page 13
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Chapter 12: Dermal Puncture
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126 Verified Questions
126 Flashcards
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Sample Questions
Q1) Detection and identification of parasites in red blood cells requires:
A) preparation of thick and thin blood smears.
B) a blood smear with two feathered edges.
C) culturing of hemolyzed blood.
D) blood collection by venipuncture.
Q2) A microhematocrit tube with a red band contains the same additive as a red stopper Microtainer.
A)True
B)False
Q3) The microspecimen collection container that would hold the largest volume of blood is a:
A) microhematocrit tube.
B) Natelson pipette.
C) microcollection tube.
D) Unopette.
Q4) Microcollection tubes containing separation gel are available.
A)True
B)False
Q5) How will this affect specimen collection?
Q6) How will this affect the patient?
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Chapter 13: Quality Assessment and Management in Phlebotomy
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99 Verified Questions
99 Flashcards
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Sample Questions
Q1) In a laboratory test, variables:
A) can occur in all phases of testing.
B) have been eliminated using modern instruments.
C) occur during the analytical phase only.
D) are so unpredictable they cannot be studied.
Q2) Quality system essentials (QSEs) form the basis of a laboratory's quality management system (QMS) and contain the management information needed for a laboratory to perform quality work. Which of the following items might be studied as part of an examination of a laboratory's testing equipment?
A) Records of ongoing preventive maintenance
B) Turnaround time goals achieved
C) Number of years in service
D) Annual leasing costs
Q3) 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.
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Chapter 14: Arterial Blood Collection
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59 Verified Questions
59 Flashcards
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Sample Questions
Q1) An alternate pathway capable of supplying blood to an area if the main pathway is obstructed is referred to as:
A) circulatory bypass.
B) collateral circulation.
C) shunt circulation.
D) an arterial fistula.
Q2) The modified Allen test is used to determine collateral circulation in the:
A) ulnar artery.
B) brachial artery.
C) radial artery.
D) cephalic artery.
Q3) Situation: A phlebotomist is attempting to perform a standard venipuncture using the basilic vein in the patient's right arm. Signs that the patient's brachial artery has been accidentally accessed include all of the following except:
A) vascular dilation and a rapid drop in blood pressure.
B) appearance of dull red blood in the needle hub.
C) a vasovagal reaction with a rapid drop in blood pressure.
D) appearance of bright red blood that pulsates into the evacuated tube or syringe.
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Chapter 15: Point-Of-Care Testing
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59 Verified Questions
59 Flashcards
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Sample Questions
Q1) Clinical Laboratory Improvement Amendments (CLIA) requires documentation of competency assessment for personnel performing point-of-care testing (POCT).
A)True
B)False
Q2) Point-of-care testing (POCT) is routinely performed in all of the following areas except the:
A) physician's office.
B) intensive care unit.
C) clinical laboratory.
D) operating room.
Q3) Chemical results of a urinalysis are read:
A) using a microscope.
B) under ultraviolet light.
C) by comparing with a specified color chart.
D) by placing the reagent strip into a cuvette.
Q4) Transcutaneous bilirubin testing is not affected by skin pigmentation.
A)True
B)False
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Chapter 16: Additional Duties of the Phlebotomist
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69 Verified Questions
69 Flashcards
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Sample Questions
Q1) To prevent hemolysis of donor blood:
A) hemostats are used to stop the flow of blood.
B) donors are not asked to clench their fists.
C) large-bore needles are used for collection.
D) alcohol is not used during site preparation.
Q2) Midstream clean-catch specimen
A)Confirmatory testing
B)Quantitative tests
C)Routine testing
D)Urine culture
Q3) When a semen specimen is delivered to the laboratory, the phlebotomist should:
A) place the specimen in the refrigerator.
B) record the time of delivery.
C) place the specimen in an incubator.
D) record the time of collection.
Q4) A major safety concern when processing specimens is the:
A) production of aerosols.
B) use of transfer systems.
C) autoclaving of samples.
D) volume and type of specimen.
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