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When selecting a vein in the patient’s antecubital area, what action will help you to determine the size, depth, and direction of the vein? A) Heat the patient’s arm in the elbow area. B) Palpate the patient’s antecubital area. C) Pinch the patient’s arm in the antecubital area D) Chill the patient’s arm in the antecubital area.  

During a venipuncture, some blood flows into the evacuated tube and then stops. What may be causing this to happen? A) Any of these B) The needle is too close to a valve. C) The needle might have slipped out of the vein. D) The tube may be expired.

The name of the condition that patients may develop if they have a large amount of blood removed over time is: A) sickle cell anemia. B) genetic anemia. C) iatrogenic anemia. D) hemolytic anemia.

The maximum depth of capillary puncture on an infant’s heel is A) 1.0 mm B) 2.0 mm C) 3.0 mm D) 4.0 mm

Keeping a patient from moving during a venipuncture is important. Explain to the patient that movement can cause problems with the procedure. To help the anxious patient, you should: A) explain about needles tearing veins. B) tell the patient that you may strap his/her arms. C) engage the patient in conversation to distract him/her. D) remind the patient he/she has the right to refuse.  

During a venipuncture, if the area surrounding the vein begins to swell, creating a hematoma, you should first: A) take the needle out of the arm. B) probe to get back into the vein. C) remove the tourniquet. D) finish collecting the specimens needed.

 If a microcollection container with an anticoagulant is overfilled, how will that affect specimen results? A) The specimen may have microclots or may clot. B) The specimen may have too much anticoagulant. C) Nothing will happen. D) The specimen will be tested as serum.

An underfilled microcollection container may have too much anticoagulant for the amount of blood collected. What is the result? A) It will not have enough anticoagulant and will cause microclot formation. B) The entire specimen may clot. C) It will alter the anticoagulant-to-blood ratio and affect test results. D) Nothing will happen.

A large bruise caused by blood seeping beneath the skin is also known as: A) a hematoma. B) ecchymosis. C) hemoconcentration. D) petechiae.  

A bloody mass under the skin as a result of blood seeping beneath the skin during venipuncture is: A) a hematoma. B) ecchymosis. C) hemoconcentration. D) the collapse of a vein.