Chapter 9 Multiple Choice

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A phlebotomist needs to collect a plasma specimen for a coagulation test. The patient has IV in the left arm near the wrist and a hematoma in the anticubital area of the right arm. Which of the following is the best place to collect the specimen? A. above the IV site B. from the IV after shutting it off for 2 minutes C. distal to the hematoma D. all of the above are acceptable collection sites

C. distal to the hematoma

Underfilling this tube will most likely result in a hemolyzed specimen. A. EDTA tube B. light-blue top C. grey top D. SST

C. gray top

The serum or plasma of a hemolyzed specimen would most likely look: A. cloudy or turbid B. pale yellow C. pinkish to red D. yellowish brown

C. pinkish to red

While you are in the middle of drawing a blood specimen, your patient starts to faint. The first thing you should do is: A. apply a cold compress directly to the patients forehead B. grab ammonia inhabited and wave it near patients nose C. quickly release the tourniquet and remove the needle D. tell the patient to lower the head and breathe deeply

C. quickly release the tourniquet and remove the needle

A patients arm is in anatomical position. There appears to be a loop under the skin between the wrist and the elbow. You feel a buzzing sensation when you touch it. What you are most likely feeling is a: A. AV graft B. implanted port C. PICC D. sclerosed vein

A. AV graft

Which of the following specimens would most likely be rejected for testing? A. a hemolyzed potassium specimen B. an icteric bilirubin specimen C. a nonfasting glucose specimen D. an underfilled serum tube

A. a hemolyzed potassium specimen

Which activity is least likely to lead to failure to draw blood? A. choosing a vein that has patency B. leaving the tourniquet on too long C. loosely anchoring the vein D. using a tube that was dropped

A. choosing a vein that has patency

Which of the following specimen conditions would lead you to suspect that the patient was not fasting when it was collected? A. cloudy white serum B. pale-yellow plasma C. pink to reddish plasma D. yellowish brown serum

A. cloudy white serum

Which of the following is most likely to affect test results? A. edema B. petechiae C. reflux D. syncope

A. edema

You insert the needle in a patients arm and properly engage the tube. No blood flows into the tube. You make subtle needle adjustments and there is still no blood flow. Which of the following is the best thing to do next? A. discontinue the draw and try somewhere else B. keep redirecting the needle until you hit a vein C. lift up on the needle to crease a steeper angle D. try a new tube in case its a vacuum problem

D. try a new tube, incase it is a vacuum problem

According to CAP guidelines, drugs that interfere with blood tests should be stopped: A. 1 to 4 hours before a test B. 4 to 24 hours before a test C. 24 to 48 hours before a test D. 48 to 72 hours before a test

B. 4 to 24 hours prior to the test

A patient has a mastectomy on the left side and has an IV midway down the right arm. Where is the best place to perform a venipuncture? A. above the IV on the right arm B. below the IV on the right arm C. in the left antecubital area D. in the left hand or wrist

B. below the IV on the right arm (Distal)

Results of this test have a direct correlation with the patients age: A. blood culture B. creatinine clearance C. glucose D. hemoglobin

B. creatine clearance

Blood loss to a point where life cannot be sustained is called: A. diurinal variation B. exsanguination C. iatrogenic anemia D. vasovagal syncope

B. exsanguination

The best way to keep a vein from rolling is to: A. insert the needle at a 45 degree angle B. make certain to anchor it well C. tie the tourniquet very tight D. use a large diameter needle

B. make certain to anchor it well

Which of the following is a clue that you have accidentally punctured an artery instead of a vein? A. the blood is dark bluish red B. the blood spurts into the tube C. the patient feels great pain D. all of the above are clues

B. the blood spurts into the tube

Which of the following tests is affected the most if collected from a crying infant? A. bilirubin B. cholesterol C. lead level D. WBC count

D. WBC count

Which activity can contaminate a blood specimen and affect the testing performed on it? A. cleaning the site with alcohol before drawing an EOTH specimen B. collecting blood cultures before the providone-iodine is totally dry C. using providone-iodine to clean the site prior to a finger puncture D. all of the above are activities can affect testing done on the specimen

D. all of the above are activities can affect testing done on the specimen

A hematoma may result from: A. inadequate site pressure applied after a venipuncture B. needle penetration through the back wall of the vein C. using a needle that is to large for the size of vein D. all of the above can result in hematoma formation

D. all of the above can result in hematoma formation

The medical term for fainting is: A. edematous B. exsanguination C. reflux D. syncope

D. syncope


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