1) Which of the following is the specimen of choice for testing acid-base balance and respiratory status of a patient?
A) arterial blood
B) venous blood
C) capillary blood
D) heparinized plasm
a
2) Cleansing the venipuncture site before collection of blood culture specimens usually involves the use of:
A) isopropyl alcohol and peroxide
B) ethyl alcohol and peroxide
C) isopropyl alcohol and chlorhexidine gluconate
D) ethyl alcohol and chlorophenol
c
3) When blood is collected from the radial artery for an arterial blood gas collection, the needle should be inserted at an angle of:
A) 10-25 degrees
B) 20-30 degrees
C) 30-45 degrees
D) 40-50 degrees
c
4) Which of the following supplies is not needed during an arterial puncture for an ABG determination?
A) syringe
B) tourniquet
C) latex-free gloves
D) lidocaine
b
5) Which of the following is the preferred site for blood collection for arterial blood gases?
A) radial artery
B) ulnar artery
C) subclavian artery
D) femoral artery
a
6) Which of the following is used to help in the diagnosis of diabetes mellitus?
A) ABG analysis
B) GTT
C) PT
D) TDM
b
7) Postprandial refers to:
A) before eating
B) after eating
C) 2-hour fasting
D) 12-hour fasting
b
8) What is the rationale for performing the Allen test?
A) to test for the possibility of edema
B) to determine whether the patient has high blood pressure
C) to determine that the radial and ulnar arteries are providing collateral circulation
D) to deter
c
9) Which of the following blood collection vacuum tubes is preferred for the collection of arterial blood gas analysis?
A) light blue-topped blood collection tube
B) green-topped blood collection tube
C) yellow-topped blood collection tube
D) no blood col
d
10) Which of the following evacuated tubes is appropriate for the collection of a blood culture specimen?
A) yellow-topped evacuated tube
B) light blue-topped evacuated tube
C) gold-topped evacuated tube
D) green-topped evacuated tube
a
11) What is a cannula?
A) a good source of capillary blood
B) the fusion of the vein and an artery
C) a tubular instrument used to gain access to venous blood
D) an artificial shunt that provides access to arterial blood
c
12) To obtain the blood trough level for a medication, the patient's blood should be collected:
A) immediately after administration of the medication
B) immediately before administration of the medication
C) 15 minutes after administration of the medicati
b
13) Which of the following is the minimum hematocrit value a blood donor must have to give a blood donation?
A) 50 percent
B) 48 percent
C) 38 percent
D) 35 percent
c
14) Which of the following procedures requires blood collection for trough and peak-level determinations?
A) skin test for allergies
B) blood collection via IV
C) therapeutic drug monitoring
D) GTT
c
15) The health care worker's thumb should not be used for palpating arteries in the arterial puncture procedure because the thumb:
A) does not have the same sensitivity as the other fingers
B) has a pulse that may be confused with the patient's pulse
C) h
b
16) In order for a donor to give blood, his or her hemoglobin value must be no less than:
A) 15.5 g/dL
B) 14.5 g/dL
C) 13.5 g/dL
D) 12.5 g/dL
d
17) Which of the following procedures requires two 10-mL disposable syringes filled with sterile normal saline and two disposable syringes?
A) skin test for allergies
B) blood collection from a blood donor
C) blood collection for GTT
D) blood collection t
d
18) Which of the following guidelines must the patient abide by to properly prepare him- or herself for the GTT?
A) The patient must not eat anything for 8 hours before the GTT but should not fast for more than 12 hours before the test.
B) The patient sho
a
19) Which of the following medications has a shorter half-life and therefore requires exact timing in blood collection for its therapeutic level?
A) gentamicin
B) phenobarbital
C) digoxin
D) Tylenol
a
20) Normally, after an adult ingests the 75 or 100 grams of glucose tolerance test, the glucose level should return to normal within how many minutes?
A) 15 minutes
B) 30 minutes
C) 60 minutes
D) 120 minutes
d
21) Before a blood donation, the phlebotomist must always check the blood donor's:
A) urine glucose value
B) RBC count
C) blood pressure
D) WBC count
c
22) Which of the following is a milk sugar that sometimes cannot be digested by healthy individuals?
A) glucose
B) glucagon
C) lactate
D) lactose
d
23) Therapeutic phlebotomy is used in the treatment of:
A) megaloblastic anemia
B) polycythemia
C) chronic anemia
D) iron-deficiency anemia
b
24) Which of the following items is not usually kept on file for every blood donor indefinitely?
A) age
B) a written consent form signed by the donor
C) a record of reason for deferrals
D) a written consent form signed by the donor's parent
d
25) For a donor to donate blood, his or her oral temperature must not exceed:
A) 35�C
B) 37.5�C
C) 38.7�C
D) 39.5�F
b
1) All donated blood is classified and labeled by type.
true
2) For the postprandial glucose test, a blood specimen is collected 2 hours after a meal.
true
3) Chlorhexidine is an antiseptic used in blood collections for blood cultures.
true
4) Therapeutic phlebotomy is when the patient donates his or her own blood before anticipated surgery.
false
5) The time of blood collection in therapeutic drug monitoring is much more critical for drugs with longer half-lives than shorter half-lives.
false
6) Most TDM assays should be performed on serum or plasma.
true
7) The radial artery is the artery of choice for ABG analysis.
true
8) The Modified Allen test is performed prior to the GTT.
false
9) Rapid breathing is the same as hypoventilation.
false
10) Postprandial refers to "after a meal.
true
1) Blood cultures are often collected from patients who have fevers of ________ origin.
unknown
2) Presence of bacteria in the blood is referred to as ________.
bacteremia
3) The ________ blood culture bottle must be inoculated first in all procedures except the butterfly assembly method.
anaerobic
4) The purpose of the ________ is to test the efficiency of the body's insulin-releasing mechanism and glucose-disposing system.
GTT
5) For the GTT, it is not recommended to exercise for ________ hours before the test procedure.
12
6) ________ is a milk sugar that some people have difficulty in digesting.
lactose
7) ABGs stands for ________.
arterial blood gases
8) The ________ artery is located in the groin area and sometimes is used by the physician for ABGs.
femoral
9) For ABG collections, approximately ________ mL of blood is collected.
1
10) A ________ is an artificial shunt in which the vein and artery have been fused through surgery.
fistula