Lab 2 Final Exam

A hematoma can be caused by

• excessive probing to locate a vein.

• failure to insert the needle far enough into the vein.

• penetration of the needle through a vein.

• All of the above

A patient vehemently refuses to allow you to collect a blood specimen. What should you do?

• document and notify the physician’s office

• return to the laboratory and cancel the request

• have the nurse physically restrain the patient and proceed to collect the specimen

• convince the patient to cooperate

A tourniquet is correctly applied

• 3-4 inches above the puncture site

• 1-2 inches above the puncture site

• when it's not left on longer than 5 minutes

• to the upper arm

ASAP means:

• as soon as possible

• in 60 minutes

• in 30 minutes

• drop everything and do it now

Areas in phlebotomy that are subject to quality control include:

• specimen collection

• specimen processing

• specimen handling

• all of the above

Considering all patients to be potentially infectious for Hepatitis or HIV is the concept of:

• universal precautions

• infection control

• isolation techniques

• disease specific isolation

Drawing a patient's blood without his or her permission can result in a charge of:

• assault and battery

• invasion of privacy

• malpractice

• negligence

In a routine venipuncture, the angle at which the needle enters the arm should be _____ degrees.

• 15

• 0-5

• 80-90

• 30

Prolonged tourniquet application may cause a change in blood composition primarily because of:

• hemoconcentration

• hemoglobin

• hemolysis

• homeostasis

Routine draws are usually done:

• early morning before eating

• after medication is given

• after lunch

• after dinner