Chapter 2 Complete Test Bank The Clinical Laboratory

Chapter 2: The Clinical Laboratory

Multiple Choice

1. The laboratory employee with a 2-year associate degree who performs clinical testing is the:

A. medical laboratory technician.

B. clinical laboratory scientist.

C. phlebotomist.

D. medical technologist.

2. The laboratory employee who prepares surgical specimen samples for microscopic examination is the:

A. microbiologist.

B. histologist.

C. cytologist.

D. clinical laboratory technician.

3. The primary liaison between the medical staff and the laboratory staff is the:

A. laboratory manager.

B. pathologist.

C. section supervisor.

D. cytologist.

4. The specialist in the study of disease of tissues and organs through biopsies is a(an):

A. internist.

B. cardiologist.

C. pathologist.

D. endocrinologist.

5. The laboratory employee with a 4-year college degree who performs clinical analysis is the:

A. phlebotomist.

B. medical laboratory technician (MLT).

C. medical laboratory scientist (MLS).

D. clinical laboratory assistant (CLA).

6. A medical technologist may serve as all of the following except:

A. educator.

B. laboratory manager.

C. pathologist.

D. section supervisor.

7. The two major areas of the clinical laboratory are:

A. chemistry and hematology.

B. cytology and histology.

C. anatomical and clinical.

D. urinalysis and microbiology.

8. Another name for the blood bank is:

A. immunology.

B. serology.

C. compatibility.

D. immunohematology.

9. Mycology is the study of:

A. fungi.

B. bacteria.

C. parasites.

D. microbiology.

10. A cardiac risk profile is performed in:

A. hematology.

B. serology.

C. coagulation.

D. chemistry.

11. The histology department is included in:

A. clinical chemistry.

B. immunohematology.

C. microbiology.

D. anatomical pathology.

12. The laboratory department responsible for frozen sections is:

A. microbiology.

B. cytology.

C. cytogenetics.

D. histology.

13. 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.

14. Which of the following tests should be returned to the laboratory first to ensure accurate results?

A. Prothrombin time.

B. Blood group and type.

C. Complete blood count.

D. Blood culture.

15. Specimens collected in serum separator tubes are most frequently delivered to:

A. blood bank.

B. serology.

C. hematology.

D. chemistry.

16. 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.

17. The most common specimen analyzed in the hematology section is:

A. plasma.

B. whole blood.

C. urine.

D. serum.

18. Which of the following pairings is wrong?

A. Icteric and yellow.

B. Lipemic and cloudy.

C. Hemolyzed and red.

D. Fasting and cloudy.

19. A serum separator tube should not be collected for:

A. cholesterol.

B. cross-match.

C. bilirubin.

D. glucose.

20. The main anticoagulant for coagulation studies is:

A. ethylenediaminetetraacetic acid (EDTA).

B. sodium citrate.

C. heparin.

D. oxalate.

21. Types of specimens collected for urinalysis include all of the following except:

A. isolation.

B. random.

C. first morning.

D. clean-catch.

22. Each of the following is a component of the complete blood count (CBC) except:

A. white blood cell count.

B. hemoglobin.

C. sedimentation rate.

D. differential.

23. The routine urinalysis consists of all of the following except:

A. physical examination.

B. culture and sensitivity.

C. reagent strip testing.

D. microscopic examination.

24. A blood culture to evaluate septicemia is performed in:

A. hematology.

B. microbiology.

C. urinalysis.

D. toxicology.

25. An elevated bilirubin might indicate a disorder of the:

A. heart.

B. kidney.

C. brain.

D. liver.

26. A rapid plasma reagin (RPR) test is performed in:

A. chemistry.

B. serology.

C. hematology.

D. urinalysis.

27. The direct antiglobulin test is performed in:

A. microbiology.

B. hematology.

C. serology.

D. blood bank.

28. ABO and Rhesus (Rh) typing are performed in which laboratory section?

A. Hematology.

B. Blood bank.

C. Chemistry.

D. Cytology.

29. The activated partial thromboplastin time (APTT) or partial thromboplastin time (PTT) test is performed in:

A. coagulation.

B. chemistry.

C. urinalysis.

D. histology.

30. Electrophoresis is performed in:

A. cytology.

B. microbiology.

C. histology.

D. chemistry.

31. People with diabetes mellitus are monitored using blood tests for glucose and:

A. phosphorus.

B. hemoglobin A1C.

C. uric acid.

D. bilirubin.

32. All of the following are tests that measure cardiac risk except:

A. alkaline phosphatase.

B. cholesterol.

C. triglycerides.

D. high-density lipids.

33. Tests associated with pancreatitis are:

A. calcium and phosphorus.

B. blood urea nitrogen (BUN) and glucose.

C. bilirubin and ammonia.

D. amylase and lipase.

34. Tests for ketones, urobilinogen, nitrite, and pH are part of a:

A. general health profile.

B. complete blood count.

C. urinalysis.

D. ova and parasites examination.

35. Which test would a physician order on a patient with a suspected infection?

A. Glucose.

B. Complete blood count (CBC).

C. Cholesterol.

D. Antinuclear antibody (ANA).

36. A chemistry test to evaluate kidney function is the:

A. complete blood count (CBC).

B. glucose tolerance test (GTT).

C. blood urea nitrogen (BUN).

D. creatine kinase (CK) or creatine phosphokinase (CPK).

37. A test that monitors an antidepressant medication is:

A. creatine kinase (CK) or creatine phosphokinase (CPK).

B. blood urea nitrogen (BUN).

C. lithium.

D. alanine transaminase (ALT).

38. An anemia is detected by a:

A. glucose test.

B. blood culture.

C. urinalysis.

D. complete blood count.

39. Sodium (Na), potassium (K), chloride (Cl), and carbon dioxide (CO₂) are components of the test called:

A. glucose tolerance.

B. electrolytes.

C. liver profile.

D. cardiac profile.

40. Choose the hematology test that might be ordered to give additional information to the health-care provider caring for a patient with anemia. The patient has already had hemoglobin and hematocrit tests done, both separately and as part of a complete blood count.

A. Erythrocyte sedimentation rate (ESR).

B. Reticulocyte (Retic) count.

C. Eosinophil count.

D. Kleihauer-Betke.

41. Choose the coagulation test that is used to monitor patients receiving Coumadin therapy.

A. Activated partial thromboplastin time (APTT).

B. Bleeding time (BT).

C. Prothrombin time (PT).

D. Platelet aggregation.

42. Which of the following urine types is the most concentrated?

A. Random.

B. 24-hour.

C. First morning.

D. Catheterized.

43. Phlebotomists may be allowed to collect or instruct patients regarding the following microbiological specimens except:

A. blood cultures.

B. throat cultures.

C. urine cultures.

D. wound cultures.

44. Activated partial thromboplastin time (APTT)

45. Gram stain

46. Rapid plasma reagin (RPR)

47. Antibody screen

48. Lead

49. Monospot

50. Lithium

51. D-dimer

52. Sickledex

53. Type and crossmatch

KEY: Topic: Clinical laboratory sections

DIF: Level 1

Learning Objective: 2.5

KEY: Topic: Clinical laboratory sections

DIF: Level 1

Learning Objective: 2.5

KEY: Topic: Clinical laboratory sections

DIF: Level 1

Learning Objective: 2.5

KEY: Topic: Clinical laboratory sections

DIF: Level 1

Learning Objective: 2.5

KEY: Topic: Clinical laboratory sections

DIF: Level 1

Learning Objective: 2.5

Short Answers

54. Describe the qualifications and functions of the personnel employed by the clinical laboratory.

55. Explain the difference between plasma and serum and how you would collect to obtain both specimens.

56. Discuss the three areas the chemistry department is divided into. Provide the type of testing that is performed in each of the areas.

57. Discuss the two main divisions of the laboratory and list the subsections within each of these divisions. Provide two tests performed in each subsection listed.