Chapter 8 Review: Question Preview (ID: 30492)


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You are about to draw blood from a patient. You touch the needle to the skin but change your mind and pull the needle away. What do you do next?
a) Clean the site and try again using the same needle. b) Stop and obtain a new needle before trying again. c) Try it again immediately using the same needle. d) Wipe the needle across a alcohol pad and retry.
What is the best angle to use for the needle insertion during a routine venipuncture?
a) Less than 15 degrees b) 30 degrees or less c) 35 to 45 degrees d) 45 to 60 degrees
What does a sclerosed vein feel like?
a) Hard and cord-like b) Bouncy and reslilient c) Pulsating and firm d) Soft and pliable
How can you tell when the needle is in the vein as you insert it into the patient's arm?
a) Blood will enter the ETS hub. b) The needle will start to vibrate. c) You will feel a slight ''give''. d) You will hear a hissing sound.
Which of the following analytes is least affected by prolonged tourniquet application?
a) Potassium. b) Prothrombin c) Red cell count. d) Total protein.
How many times do you mix a nonadditive tube?
a) 2 or 3 b) 5 to 10 c) 8 to 12 d) none
Where is the tourniquet applied when drawing a hand vein?
a) A tourniquet is not required. b) Above the antecubital fossa. c) Just distal to the wrist bone. d) Proximal to the wrist bone.
Criteria used to decide which needle gauge to use for venipuncture include:
a) how deep the selected vein is. b) the size and condition of the vein. c) the type of test being collected. d) your personal preference.
Success of pediatric blood collection is most dependent on:
a) aseptic technique. b) correct order of draw. c) patient immobilization d) tourniquet application.
The most common reason a patient must undergo dialysis treatment is:
a) end stages of renal disease. b) Parkinson's disease effects. c) problems with coagulation. d) rheumatoid arthritis effects.
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