Underfilling an evacuated tube is possible if the tube is removed from the assembly before it is completely filled. If the evacuated tube to be filled is a light-blue tube with sodium citrate additive, what can happen? A) The phlebotomy procedure is completed faster. B) There is no impact on the results. C) Too much blood will be drawn for the proper blood to anticoagulant ratio. D) Too little blood will be drawn for the proper blood to anticoagulant ratio.  

Where in the order of draw is a sterile draw tube, such as for blood culture, placed? A) First B) After anticoagulant tubes C) After serum separator tubes D) Last

The most commonly used vein for venipuncture in the antecubital area is the: A) median cubital vein. B) basilic vein. C) cephalic vein. D) brachial artery.

   Which of the images provided shows proper placement of the needle during venipuncture? A) Image A B) Image B C) Image C D) Image D

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

   What venipuncture situation is represented by this image? A) Needle inserted against the vein wall B) Needle inserted too close to a valve C) Needle inserted too shallow D) Proper needle insertion

During venipuncture, where is the tourniquet is usually placed? A) At the venipuncture site. B) 3 to 4 inches above the venipuncture site. C) 3 to 4 inches below the venipuncture site. D) 1 to 2  inches above the venipuncture site.  

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

The laboratory at which you are employed is providing an outreach to the local schools to test children for blood lead levels. The evacuated tubes you should use have which color stopper and which additive? A) Gold, silica and gel B) Light green, sodium heparin C) Pink, EDTA D) Tan, EDTA

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.