COLLECTIONS SECTION 4 QUESTIONS
AND ANSWERS 100% CORRECT
1. Which of the following is the proper way to process a WBC differential test,
testosterone test and a glucose test? - ANSWER-Prepare a slide from a lavender-
topped tube and centrifuge a red-topped tube and a gray-topped tube.
2. To properly prepare a peripheral blood smear from a capillary puncture, which of the
following should be done first? - ANSWER-Touch the slide to the second drop of blood.
3. Which of the following is the proper order of draw for a blood culture test, a PTT and
a CBC test using the syringe method? - ANSWER-Anaerobic bottle, aerobic bottle, light
blue tube and lavender tube
4. Which of the following is the correct way to collect two sets of blood cultures? -
ANSWER-Collect one set from the patient's right arm and one set from a different site
on the same arm.
5. When collecting a peripheral blood smear from a patient a phlebotomist should know
that which of the following tests will be run for this specimen? - ANSWER-WBC
differential test
6. Upon receiving a chain of custody specimen, the phlebotomist should verify that
which of the following is pieces of information matches the requisition form? -
ANSWER-Case number
7. Which of the following is the proper way to collect a neonatal screening card? -
ANSWER-Touch the card to a drop of blood and saturate each circle on the card.
8. Which of the following is the best time to perform a neonatal screening test? -
ANSWER-Between 24 and 72 hours after birth.
9. Which of the following patients is the best candidate to donate blood? - ANSWER-A
65-year old patient who weighs 54.4kg (120lb)
10. Which of the following blood types is the universal donor? - ANSWER-O-
11. Which of the following is the total blood volume (in liters) for a pediatric patient
weighing 15.9kg (35lb)? - ANSWER-1.59L