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Chapter 8 Review
Test Description: Phlebotomy
Instructions: Answer all questions to get your test result.
1) 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
Stop and obtain a new needle before trying again.
B
Wipe the needle across a alcohol pad and retry.
C
Try it again immediately using the same needle.
D
Clean the site and try again using the same needle.
2) What is the best angle to use for the needle insertion during a routine venipuncture?
A
45 to 60 degrees
B
Less than 15 degrees
C
35 to 45 degrees
D
30 degrees or less
3) What does a sclerosed vein feel like?
A
Pulsating and firm
B
Bouncy and reslilient
C
Hard and cord-like
D
Soft and pliable
4) How can you tell when the needle is in the vein as you insert it into the patient's arm?
A
You will hear a hissing sound.
B
You will feel a slight ''give''.
C
The needle will start to vibrate.
D
Blood will enter the ETS hub.
5) Which of the following analytes is least affected by prolonged tourniquet application?
A
Prothrombin
B
Potassium.
C
Total protein.
D
Red cell count.
6) How many times do you mix a nonadditive tube?
A
8 to 12
B
5 to 10
C
2 or 3
D
none
7) Where is the tourniquet applied when drawing a hand vein?
A
Just distal to the wrist bone.
B
Proximal to the wrist bone.
C
A tourniquet is not required.
D
Above the antecubital fossa.
8) Criteria used to decide which needle gauge to use for venipuncture include:
A
the size and condition of the vein.
B
how deep the selected vein is.
C
the type of test being collected.
D
your personal preference.
9) Success of pediatric blood collection is most dependent on:
A
tourniquet application.
B
correct order of draw.
C
aseptic technique.
D
patient immobilization
10) The most common reason a patient must undergo dialysis treatment is:
A
problems with coagulation.
B
Parkinson's disease effects.
C
end stages of renal disease.
D
rheumatoid arthritis effects.
*select an answer for all questions
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