Phlebotomy Exam Review Flashcards

Flashcards for reviewing key concepts and questions covering phlebotomy procedures and best practices.

A phlebotomist must collect a hemoglobin specimen from a patient in the ICU and there is an IV in the patient's left wrist. The suitable alternative is to collect from __.

a leg, ankle, or foot vein.

A vein that feels hard, cord-like, and lacks resiliency is most likely __.

sclerosed.

The preanalytical phase of the testing process begins when a __.

blood or body fluid specimen is collected.

Diurnal variations associated with some blood components are __.

normal fluctuations throughout the day.

A 12-hour fast is normally required in testing for __.

Triglycerides.

Do not use an arm with __ when selecting a venipuncture site.

an active AV graft or fistula.

If you must collect a specimen from an arm with a hematoma, you should collect the specimen __.

above it.

Scarred or burned areas should be avoided as blood collection sites because __.

circulation is possibly impaired.

The best place to collect a protime specimen from a patient with IVs in both arms is __.

below one of the IVs.

Which of the following is a product of the breakdown of red blood cells (RBCs)? __.

Bilirubin.

The blood component that exhibits diurnal variation with peak levels occurring in the morning is __.

Cortisol.

The best specimens for establishing inpatient reference ranges for blood tests are __.

basal state specimens.

An icteric blood specimen indicates that __.

bilirubin test results could be elevated.

An indication for capillary puncture includes __.

All of the choices are correct.

The most accurately described capillary puncture blood is __.

a mix of venous, arterial, and capillary blood.

If tests collected from a patient by capillary puncture, the test specimen collected first should be __.

Glucose.

A list of capillary puncture equipment would exclude __.

blood culture bottles.

Capillary puncture is preferred for infants because __.

it is less painful to infants than a venipuncture.

If the second tube does not fill during a multitube blood draw, the immediate next action should be __.

try a new tube in case it is a vacuum issue.

A vein with walls that have drawn together and shut off blood flow is called __.

a collapsed vein.

The primary cause of vein collapse during venipuncture is __.

tourniquet application has exceeded 1 minute.

A common cause of hematoma formation during a blood draw is __.

failing to apply adequate pressure after the draw.

When blood is filling the first tube slowly and swelling occurs at the venipuncture site, __.

stop the draw at once and apply pressure to the site.

A needle going through the back wall of the vein may cause __.

reflux of specimen into surrounding tissue.

The recommended angle of needle insertion for venipuncture is __.

20 to 40 degrees.

The collection procedure was incorrect if an icteric blood specimen indicates __.

the blood could be hemoconcentrated.

Circulation may be impaired in __, making them unsuitable for collecting blood.

scarred or burned areas.