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