Special Blood Collection Chapter 10 Test Bank Docx

Chapter 10: Special Blood Collection

Multiple Choice

1. The test order with the highest priority is classified as:

A. fasting.

B. timed.

C. STAT.

D. postprandial.

2. Major phlebotomy rounds are scheduled early in the morning because:

A. physicians make their rounds before 8:00 a.m.

B. most medications must be administered before 7:00 a.m.

C. patients will be in a basal state.

D. visitors are usually not present.

3. A patient who is not allowed to have food or water for a specified time is classified as:

A. fasting.

B. NPO.

C. preprandial.

D. basal.

4. A phlebotomist who enters a patient’s room to collect a fasting specimen and finds the patient eating breakfast should:

A. draw the specimen immediately.

B. reschedule the test in 12 hours.

C. return when the patient has finished breakfast.

D. notify the nursing station.

5. If a supervisor tells the phlebotomist to collect a fasting specimen from a nonfasting patient, the phlebotomist should:

A. record “nonfasting” on the requisition form.

B. ask to speak to the physician.

C. tell the supervisor to collect the specimen.

D. inform the patient that the results may be inaccurate.

6. Lipemic serum appears:

A. clear and pale yellow.

B. dark-yellow due to the presence of bilirubin.

C. clear and red.

D. cloudy due to the presence of fat.

7. Collection of a cardiac risk profile from an outpatient at 4:00 p.m. may result in:

A. increased triglycerides.

B. decreased aspartate aminotransferase (AST).

C. increased blood urea nitrogen (BUN).

D. decreased cholesterol.

8. 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.

9. A glucose tolerance test is performed to diagnose or evaluate:

A. hypoglycemia.

B. diabetes insipidus.

C. diabetes mellitus.

D. both A and C.

10. Plasma cortisol levels are scheduled to be drawn between 08:00 a.m. and 10:00 a.m. because:

A. patients must be in a basal state.

B. patients must not be fasting.

C. cortisol exhibits diurnal variation.

D. cortisol is only produced during the morning.

11. Peak and trough levels are collected to monitor:

A. illegal drug use.

B. diurnal variation.

C. therapeutic drug levels.

D. basal metabolism.

12. A postprandial blood specimen should be collected:

A. after the patient has eaten.

B. in the delivery room.

C. after the patient has been fasting for 12 hours.

D. while the patient is in a basal state.

13. The timing for an oral glucose tolerance test (OGTT) begins:

A. after collection of the fasting specimen.

B. when the patient begins drinking the glucose.

C. when the patient finishes drinking the glucose.

D. 30 minutes after the glucose is finished.

14. A trough level is drawn:

A. 30 minutes after drug administration.

B. while the patient is fasting.

C. prior to administering medication.

D. immediately after administering medication.

15. The term diurnal variation is associated with:

A. blood cultures.

B. fasting specimens.

C. forensic specimens.

D. timed collections.

16. The number of specimens collected from a patient receiving a 2-hour postprandial glucose test is:

A. one.

B. two.

C. three.

D. four.

17. The specimens collected during the oral glucose tolerance test (OGTT) after the patient drinks the glucose will be analyzed at the end of the test. The specimens should be collected in:

A. gray stopper tubes.

B. serum separator tubes (SSTs).

C. plasma separator tubes (PSTs).

D. red stopper tubes.

18. All of the following should be included on a peak or trough level requisition form except:

A. time the medication was given.

B. method of medication administration.

C. time the specimen was drawn.

D. name of the person giving the medication.

19. The fasting specimen for an oral glucose tolerance test (OGTT) is drawn at 7:00 a.m., and the patient finishes drinking the glucose at 7:45 a.m. The correct time to draw the 1-hour specimen is:

A. 8:00 a.m.

B. 8:15 a.m.

C. 8:45 a.m.

D. 9:15 a.m.

20. A phlebotomist who cannot locate the patient on whom a cortisol level is scheduled for collection at 10:00 a.m. should:

A. return the requisition form to the nursing station for rescheduling.

B. request the nursing station to call the laboratory when the patient is available.

C. collect the specimen 2 hours after the patient finishes lunch.

D. reschedule the test for 4:00 p.m.

21. Blood cultures are performed to detect the presence of:

A. septicemia.

B. spiking fevers.

C. fever of unknown origin (FUO).

D. antibiotics.

22. The most important consideration when collecting a blood culture is:

A. aseptic technique.

B. the puncture site.

C. minimizing the number of sticks.

D. the amount of blood collected.

23. The order in which cleansing solutions are applied to the patient’s arm before and after the collection of a blood culture is:

A. soap, alcohol, and iodine.

B. alcohol, iodine, and alcohol.

C. iodine, alcohol, and soap.

D. alcohol, alcohol, and iodine.

24. After collection, blood cultures are delivered to:

A. blood bank.

B. hematology.

C. serology.

D. microbiology.

25. Some blood culture collection systems contain a resin to:

A. prevent clotting.

B. inactivate antibiotics.

C. concentrate the microorganism.

D. remove skin contaminates.

26. Two blood cultures from a patient requiring ASAP administration of antibiotics are collected:

A. every 30 minutes.

B. before and after the antibiotic is administered.

C. immediately from two different sites.

D. before and after the fever spikes.

27. The ideal time for collecting a blood culture is:

A. just before the patient’s temperature spikes.

B. after antibiotics have been given.

C. when the patient’s white blood cell (WBC) count is the highest.

D. when the patient’s temperature is the highest.

28. The purpose of sodium polyanetholsulfonate in a blood culture bottle is to:

A. inhibit bacterial growth.

B. prevent clotting.

C. prevent contamination.

D. identify bacterial growth.

29. When blood is inoculated into blood culture bottles using a winged blood collection set, the:

A. anaerobic bottle is inoculated first.

B. safety device is activated first.

C. aerobic bottle is inoculated first.

D. volume of blood inoculated is increased.

30. To inoculate blood culture media with blood drawn in a syringe, the phlebotomist:

A. vents an anaerobic container.

B. inoculates aerobic media first.

C. mixes syringe before inoculation.

D. inoculates anaerobic media first.

31. Specimens that require chilling immediately after collection are placed in a:

A. container of ice cubes.

B. container of ice and water.

C. bag of dry ice.

D. flask of cold water.

32. Specimens for all of the following should be protected from light except:

A. beta-carotene.

B. vitamin A.

C. gastrin.

D. bilirubin.

33. Specimens for cold agglutinins must be:

A. transported on ice.

B. drawn in a green stopper tube.

C. processed in a refrigerated centrifuge.

D. kept warm.

34. A falsely decreased blood alcohol level may be obtained if:

A. blood is collected in a gray stopper tube.

B. the site is cleansed with Zephiran chloride.

C. the tube is only partially filled.

D. the tube is overfilled.

35. A phlebotomist on the evening shift draws a specimen for cold agglutinins and places it in the refrigerator for the morning shift. Test results of this specimen will:

A. be falsely decreased.

B. be falsely increased.

C. be unaffected.

D. represent the patient’s true condition.

36. When locating a venipuncture site in a geriatric patient, all of the following techniques are acceptable except:

A. applying heat.

B. using a blood pressure cuff.

C. swabbing the area with alcohol or iodine.

D. tapping the antecubital area.

37. Geriatric patients are more prone to infection of the venipuncture site because:

A. epidermal cells are replaced more slowly.

B. their veins are closer to the surface.

C. their immune systems are weakened.

D. both A and C.

38. Extra care may have to be taken when positioning the arm of patients with:

A. Alzheimer’s disease.

B. arthritis.

C. paralysis.

D. both B and C.

39. 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 winged blood collection set with a syringe.

B. 23-gauge needle and a winged blood collection set and evacuated tubes.

C. 21-gauge needle and a small syringe.

D. 25-gauge needle and an evacuated tube.

40. Performing venipunctures on pediatric patients may require all of the following except:

A. assistance from a parent to hold the arm.

B. telling the child it will not hurt.

C. using toys to demonstrate the procedure.

D. obtaining identification from the parents.

41. In what order should the phlebotomist collect these specimens?

42. Which specimen should be delivered immediately to the laboratory?

43. If the cortisol level was not collected until 1:00 a.m., how would the results be affected?

44. Why is this collection schedule requested?

45. Where should the phlebotomist collect these specimens?

46. If the phlebotomist collects both sets using a winged blood collection set, and an anaerobic organism grows in one set and not the other, which error could have caused this?

47. If a known skin contaminant grows in both aerobic bottles, which error in technique is indicated?