CHAP 11

Question 1

1. At 0730, the phlebotomist receives requests for a cortisol level on Unit 4B, a fasting blood sugar (FBS) on Unit 4A, and a stat crossmatch in the ER. In which order should the phlebotomist collect these samples?
   a. cortisol, FBS, crossmatch
   b. FBS, cortisol, crossmatch
   c. crossmatch, FBS, cortisol
   d. FBS, crossmatch, cortisol

Answer 1

c. crossmatch, FBS, cortisol

Question 2

2. The timing for a glucose tolerance test begins when:
   a. the fasting sample is drawn
   b. the test results are completed on the fasting sample
   c. the patient finishes drinking the glucose
   d. 30 minutes after the patient finishes drinking the glucose

Answer 2

c. the patient finishes drinking the glucose

Question 3

3. Samples are scheduled for collection at specific times for all of the following reasons EXCEPT:
   a. measuring the body’s metabolism of the test substance
   b. the substance exhibits diurnal variation
   c. patients must be tested 2 hours before
   meals
   d. to determine blood levels of medications prior to the next dose

Answer 3

c. patients must be tested 2 hours before
meals

Question 4

4. The trough level for therapeutic drug monitoring is collected:
   a. 30 minutes after the medication is administered
   b. 30 minutes before the medication is administered
   c. at the time specified by the manufacturer
   d. after the patient has fasted for 8 hours

Answer 4

b. 30 minutes before the medication is administered

Question 5

5. 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

Answer 5

c. aerobic bottle is inoculated first

Question 6

6. Blood collected from CVADs is collected in evacuated tubes by attaching a/an:
   a. sterile 20-gauge needle to the collection syringe
   b. evacuated tube holder to the catheter line
   c. blood transfer device to the collection syringe
   d. Luer-Lok to the catheter line

Answer 6

b. evacuated tube holder to the catheter line

Question 7

7. Which of the following has a self-sealing septum that is accessed with a noncoring needle?
   a. implanted port
   b. PICC line
   c. Hickman
   d. peripheral IV

Answer 7

a. implanted port

Question 8

8. Samples that require chilling immediately after collection are placed in a:
   a. container of large ice cubes
   b. a container of crushed ice and water
   c. a bag of dry ice
   d. flask of cold water

Answer 8

b. a container of crushed ice and water

Question 9

9. Samples 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

Answer 9

d. kept warm

Question 10

10. 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

Answer 10

c. the tube is only partially filled

Question 11

11. When performing venipuncture on a pediatric patient, the phlebotomist may require:
    a. assistance
    b. a pediatric requisition
    c. small evacuated tubes
    d. both A and C

Answer 11

d. both A and C

Question 12

12. Older patients are more prone to hematoma formation because:
    a. they have smaller veins
    b. tourniquets must be tied tighter
    c. their veins have decreased elasticity
    d. they have difficulty making a fist

Answer 12

c. their veins have decreased elasticity