quiz 3

There is a request to draw a specimen from an inpatient by the name of John Doe. Which of the following is an acceptable way to confirm the patient's identity?

Match the ID band and requisition with his verbal statement of ID.

Doing this during the vein selection process is bad for the specimen

Allowing the patient to pump his or her fist.(K+ incr)

Communicating in this way before obtaining a blood specimen from a child is poor technique

telling child it won’t hurt

The patient is just finishing a big breakfast as the phlebotomist arrives to draw a fasting specimen. What should the phlebotomist do?

Check with the patient's nurse to see if the specimen should still be collected. (if nurse said yes, then document)

What may happen if you mix a specimen too vigorously?

hemolysis

never leave tourniquet for more than

1 min

What is the most critical error a phlebotomist can make?

Misidentifying a patient specimen

The patient asks if the specimen about to be drawn is for a diabetes test. How should the question be answered?

Say, "It's best to discuss that with the doctor." (not qualified to answer px)

Of the following tests, which is most likely to result in fatal consequences if the patient is misidentified?

type and crossmatch (can get wrong blood type during transfusion)

Which test requires strict skin antisepsis procedures before specimen collection?

blood culture

What type of additive is recommended for collecting an ethanol test specimen?

sodium fluoride

When performing a GTT, the timing should begin?

as soon as the patient finishes the drink

When collecting a blood culture specimen directly from a butterfly into blood culture bottles, which should be filled first?

aerobic

Which of the following tubes can be used to collect blood for a type and crossmatch?

pink top EDTA

This test requires a specimen with a 9:1 ratio of blood to anticoagulant.

prothrombin time (PTT)

• (coagulation test) light blue tube top