Collecting blood into an evacuated SST tube before collecting the sodium citrate tube may cause:A) serum samples to remain unclotted.B) cells to clump in the EDTA tube.C) contamination of coagulation specimens.D) no adverse effects; the order is correct.  

When obtaining a blood specimen using a butterfly setup and a syringe, why is it important to avoid pulling back on the plunger too hard or fast? A) To reduce the chance of ecchymosis B) To avoid hemolysis C) To avoid causing patient pain D) To prevent the formation of petechiae  

What depth would be best when using a lancet to produce high blood flow on a healthy adult patient? A) 1.0 mm B) 2.0 mm C) 1.5 mm D) 1.75 mm

When collecting a dermal puncture specimen, keep the site: A) above the patient’s heart. B) resting on the collection area. C) at your eye level. D) below the level of the patient’s heart.  

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.  

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.

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

   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