Chapter 15
Which of the following evacuated tubes is appropriate for the collection of a blood culture specimen?
yellow-topped evacuated tube
In order for a donor to give blood, his or her hemoglobin value must be no less than:
12.5 g/dL
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?
120 minutes
Which of the following supplies is not needed during an arterial puncture for an ABG determination?
tourniquet
When blood is collected from the radial artery for an arterial blood gas collection, the needle should be inserted at an angle of:
30-45 degrees
For a donor to donate blood, his or her oral temperature must not exceed:
37.5°C
Which of the following is the minimum hematocrit value a blood donor must have to give a blood donation?
38 percent
Rapid breathing is the same as hypoventilation.
False
The Modified Allen test is performed prior to the GTT.
False
The time of blood collection in therapeutic drug monitoring is much more critical for drugs with longer half-lives than shorter half-lives.
False
Therapeutic phlebotomy is when the patient donates his or her own blood before anticipated surgery.
False
Which of the following is used to help in the diagnosis of diabetes mellitus?
GTT
Which of the following guidelines must the patient abide by to properly prepare him- or herself for the GTT?
The patient must not eat anything for 8 hours before the GTT but should not fast for more than 12 hours before the test.
All donated blood is classified and labeled by type.
True
Chlorhexidine is an antiseptic used in blood collections for blood cultures.
True
For the postprandial glucose test, a blood specimen is collected 2 hours after a meal.
True
Most TDM assays should be performed on serum or plasma.
True
The radial artery is the artery of choice for ABG analysis.
True
What is a cannula?
a tubular instrument used to gain access to venous blood
Which of the following items is not usually kept on file for every blood donor indefinitely?
a written consent form signed by the donor's parent
Postprandial refers to:
after eating
Which of the following is the specimen of choice for testing acid-base balance and respiratory status of a patient?
arterial blood
Which of the following procedures requires two 10-mL disposable syringes filled with sterile normal saline and two disposable syringes?
blood collection through CVCs
Before a blood donation, the phlebotomist must always check the blood donor's:
blood pressure
Cleansing the venipuncture site before collection of blood culture specimens usually involves the use of:
isopropyl alcohol and chlorhexidine gluconate
Which of the following is a milk sugar that sometimes cannot be digested by healthy individuals?
lactose
Which of the following medications has a shorter half-life and therefore requires exact timing in blood collection for its therapeutic level?
gentamicin
The health care worker's thumb should not be used for palpating arteries in the arterial puncture procedure because the thumb:
has a pulse that may be confused with the patient's pulse
To obtain the blood trough level for a medication, the patient's blood should be collected:
immediately before administration of the medication
Which of the following is the preferred site for blood collection for arterial blood gases?
radial artery
Which of the following blood collection vacuum tubes is preferred for the collection of arterial blood gas analysis?
no blood collection tube
Therapeutic phlebotomy is used in the treatment of:
polycythemia
Which of the following procedures requires blood collection for trough and peak-level determinations?
therapeutic drug monitoring
What is the rationale for performing the Allen test?
to determine that the radial and ulnar arteries are providing collateral circulation
