Study Questions C10

Question 1

A phlebotomist who encounters a comatose patient with no ID band should:
a. notify the phlebotomy supervisor
b. check the patient’s identity with the patient’s
roommate
c. leave the requisition at the nurse’s station
d. ask the nurse to band the patient

Answer 1

a. notify the phlebotomy supervisor

Question 2

What should a phlebotomist do when the
patient is sleeping?
a. postpone the collection
b. gently wake the patient
c. allow the patient to become oriented
d. both B and C

Answer 2

d. both B and C

Question 3

Why do phlebotomists perform their
routine blood collections early in the
morning?
a. the physician needs the results early
b. patients are in a basal state
c. patients will have had breakfast
d. patients have a lower chance of fainting

Answer 3

b. patients are in a basal state

Question 4

Increased Hgb

1. prolonged fasting
2. stress
3. erect posture
4. long-term exercise
5. tobacco

Answer 4

5. tobacco

Question 5

Decreased glucose

1. prolonged fasting
2. stress
3. erect posture
4. long-term exercise
5. tobacco

Answer 5

1. prolonged fasting

Question 6

Increased WBCs

1. prolonged fasting
2. stress
3. erect posture
4. long-term exercise
5. tobacco

Answer 6

2. stress

Question 7

Increased cholesterol

1. prolonged fasting
2. stress
3. erect posture
4. long-term exercise
5. tobacco

Answer 7

3. erect posture

Question 8

Increased skeletal enzymes

1. prolonged fasting
2. stress
3. erect posture
4. long-term exercise
5. tobacco

Answer 8

4. long-term exercise

Question 9

A patient who appears pale and has cold, damp
skin may develop:
a. coagulation problems
b. septicemia
c. sclerosis
d. syncope

Answer 9

d. syncope

Question 10

Hemoconcentration can be caused by:
a. tourniquet applied for longer than 1 minute
b. failure to clench the fist
c. excessive probing
d. vigorously mixing the tubes

Answer 10

a. tourniquet applied for longer than 1 minute

Question 11

Methods to locate veins that are not prominent
include all of the following EXCEPT:
a. massaging the arm upward
b. hanging the arm down
c. applying heat for 3 minutes
d. applying a cold compress

Answer 11

d. applying a cold compress

Question 12

Areas that should be avoided for venipuncture
include all of the following EXCEPT:
a. hematomas
b. deep cephalic veins
c. edematous tissue
d. tattoos

Question 13

When encountering a patient with a fistula, the
phlebotomist should:
a. apply the tourniquet below the fistula
b. use the other arm
c. collect the blood from the fistula
d. attach a syringe to the T-tube connector

Answer 13

b. use the other arm

Question 14

If the plunger of a syringe is pulled back too fast:
a. the patient feels a stinging sensation
b. the sample may be hemolyzed
c. the patient will develop a hematoma
d. both A and B

Question 15

When collecting blood using a winged blood
collection set, all of the following are acceptable
EXCEPT:
a. lowering the angle of insertion
b. drawing blood into a syringe
c. using a 15-mL evacuated tube
d. threading the needle into the vein

Answer 15

c. using a 15-mL evacuated tube

Question 16

All of the following may cause hematoma formation EXCEPT:
a. removing the tourniquet after removing the
needle
b. bandaging the patient’s arm immediately
after needle removal
c. firmly anchoring the vein in needle insertion
d. having the patient bend the elbow and apply
pressure

Answer 16

c. firmly anchoring the vein in needle insertion

Question 17

The puncture site may require additional
pressure to stop bleeding when the patient:
a. has low blood pressure
b. is taking anticoagulants
c. frequently takes aspirin
d. both B and C

Answer 17

d. both B and C

Question 18

. Samples are rejected by the laboratory for all of
the following reasons EXCEPT:
a. clots in a lavender stopper tube
b. collection in the wrong tube
c. incompletely filled light blue stopper tubes
d. clots in a red stopper tube

Answer 18

d. clots in a red stopper tube