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1. What is the preferred method for infant blood collection? - Correct
Answer: capillary
2. How far above the venipuncture site should the tourniquet be wrapped
around the arm - Correct Answer: 3 to 4 inches
3. A falsely decreased blood alcohol level may be obtained if - Correct
Answer: the tube is only partially filled
4. Complete clotting of a blood specimen can take up to - Correct Answer:
30 mins at room temp
5. Which of the following techniques is best to employ if blood is not obtained
upon needle insertion? - Correct Answer: gently advance the needle or
gently pull back slightly
,6. Petechiae are tiny, non raised red spots on a patients skin when the
tourniquet is applied. This indicates, that - Correct Answer: site may
bleed excessively
7. The most common antiseptic for routine blood collection is - Correct
Answer: 70% isopropyl alcohol
8. As the phlebotomist, you have just completed drawing the last blood
sample tube, you place gauze over the puncture site, remove the needle
from the arm, activate the needle safety device and then release the
tourniquet before applying pressure. Is this the correct sequence of steps? -
Correct Answer: No the tourniquet should be released first before the
gauze pad is place over the puncture site
9. The phlebotomist has prepared the patients arm an found the basilica vein.
Has the phlebotomist selected the preferred. vein site for venipuncture? -
Correct Answer: no, the medial cubital vein is preferred
10.When performing a capillary blood collection, the first blood drop is wiped
away because - Correct Answer: the first drop typically has more tissue
fluid
11.The phlebotomist places the blood specimen in circles on special filter
paper, for what test? - Correct Answer: PKU
12.What is POCT? - Correct Answer: point-of-care testing
, 13.A pregnant patient who tells you that she is having pain during urination or
in the kidney area may be experiencing - Correct Answer: a urinary
infection or kidney stones
14.A sweat sample collected by forearm stimulation with the use of pilocarpine
nitrate is a process known as - Correct Answer: iontophoresis
15.A specimen that requires chilling for transport to the lab should be placed in
- Correct Answer: a container immersed in a slurry of crushed ice and
water
16.a major advantage of point of care testing (POCT) is - Correct Answer:
faster turnaround time (TAT)
17.Which fluid is usually obtained by a physician through a lumbar puncture
and must be processed through the laboratory "stat"? - Correct Answer:
cerebrospinal fluid
18.A synovial fluid specimen is obtained from - Correct Answer: a joint
19.the addition of which preservative allows urine to be stored at room
temperature while still providing results comparable to refrigerated urine? -
Correct Answer: Boric acid