44
ASSIGNMENT 6
Textbook Assignment:
“Clinical Laboratory,” chapter 7, pages 7-1 to 7-36.
6-1.
Which of the following, if any, is
considered the most appropriate source for
blood specimens obtained for clinical
examination?
1.
By venipuncture
2.
By finger puncture
3.
From an artery
4.
None of the above
6-2.
Using the steps below, determine the
correct sequence for obtaining blood by
finger puncture.
a. Clean finger
b. Lance finger
c. Milk finger
d. Collect specimen
e. Wipe away first drop
1.
a, b, c, e, d
2.
c, b, e, a, d
3.
a, c, b, e, d
4.
c, a, b, e, d
6-3.
When performing a finger puncture, the
first drop should be wiped away to avoid
which of the following conditions?
1.
Bacterial contamination
2.
Clotting at the puncture site
3.
Dilution of the specimen with alcohol
4.
Dilution of the specimen with tissue
fluids
6-4.
How would a 5 ml blood specimen be
obtained from a patient with an intravenous
antibiotic being given through the left arm
and blood being received through the right
arm?
1.
Multiple finger punctures
2.
Left arm
3.
Right arm
4.
Hand or foot
6-5.
A tourniquet applied to the arm during
venipuncture should provide enough
tension to compress the artery, but not the
vein.
1.
True
2.
False
6-6.
The correct needle position for
venipuncture is (a) what degree angle and
(b) with the bevel in what position?
1.
(a) 15, (b) up
2.
(a) 30, (b) up
3.
(a) 15, (b) down
4.
(a) 30, (b) down
6-7.
A tourniquet is normally applied before and
to aid in the process of venipuncture. At
what point in the venipuncture procedure
should you remove the tourniquet?
1.
Just before needle insertion
2.
Just after needle insertion, but before
3.
Once all specimens have been
collected
4.
After needle removal
6-8.
The part of the microscope on which the
prepared specimen is placed for
examination is called the
1.
arm
2.
base
3.
frame
4.
stage
