Using a needle and needle holder from two different manufacturers may cause: (Choose all that apply) A) difficulty in connecting the needle to the holder. B) improper filling of the tube. C) the needle to become disconnected from the holder. D) a loss of vacuum in the tube.

The best place for the phlebotomy cart or tray during routine procedures on inpatients is: A) at the patient’s bedside. B) at the foot of the patient’s bed. C) just inside the door of the patient’s room. D) just outside the door of the patient’s room.

If a microcollection container contains an anticoagulant additive, it is ________ to collect to the fill line. A) not necessary B) optional C) dangerous D) critical

Microcollection containers fill by: (Choose all that apply) A) gravity. B) aspiration. C) pipetting. D) capillary action.

In collecting a blood culture using a butterfly system, it is important to collect: A) the anaerobic bottle first. B) the aerobic bottle first. C) either bottle first. D) a discard tube first.

Minor hemorrhaging in underlying tissue can cause: A) a hematoma. B) ecchymosis. C) hemoconcentration. D) petechiae.  

When a venipuncture is completed and a bandage is applied, the patient should be asked: A) to bend his/her elbow. B) to lift his/her arm up. C) to keep his/her arm straight. D) not to apply pressure.

Potential blood donors may be disqualified if they: (Choose all that apply) A) have recently traveled out of the country. B) are on medications or have taken drugs. C) live a sexually promiscuous lifestyle. D) have eaten before the procedure.

Which test is least likely to be used to identify a risk for diabetes? A) 2-hour postprandial B) Fasting blood sugar C) Glucose challenge D) CBC with differential

What percentage of blood, when removed from a patient, may become life-threatening? A) 1% B) 2% C) 5% D) 10%