During a venipuncture, blood flows into the evacuated tube with a forceful pulsing motion. What may be causing this to happen? A) An artery may have been punctured. B) The needle may be too close to a valve. C) An incorrect tube may have been selected. D) The tube may be expired.

     The site illustrated above is not acceptable for dermal punctures. What is the medical term for the bone that could be punctured if a dermal puncture is performed here? A) Radius B) Calcaneus C) Metatarsal D) Patella

Increasing blood flow to the veins can be accomplished by (SELECT ALL THAT APPLY) A) having the patient “pump” their first. B) having the patient make and hold a tight fist. C) applying a cold compress to the site. D) applying a warm compress to the site

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

     If a heelstick is performed with the cut applied as pictured in this image, what may result? A) Blood will clot before it can be collected. B) Blood will not form drops, but rather run along the back of the heel. C) The calcaneus may be punctured. D) No adverse situations will occur because this is the appropriate area for a heelstick.  

When you check the patient’s phlebotomy site before applying a bandage, you notice the site is still bleeding. Why may this be and what, if anything, should you do? (Choose all that apply) A) The patient has held his/her arm above heart level; lower the patient’s arm. B) Enough pressure may not have been applied to the site; apply additional pressure. C) The patient may be on anticoagulant therapy; apply additional pressure. D) This is normal; apply extra gauze under the bandage, and thank and dismiss the patient.

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.

A patient seated in a phlebotomy chair will have her/his arm: A) supported and slightly bent at the elbow. B) raised above her/his head. C) dangling toward the floor. D) supported and extended downward in a straight line.  

For which test is blood collected directly from an artery instead of a vein? A) Arterial blood is used to test for cystic fibrosis. B) Arterial blood is used to test for hemachromatosis C) Arterial blood is used to test for oxygen and carbon dioxide. D) Arterial blood is used to test for phenylketonuria.  

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.