Donors

Question 1

The minimum hemoglobin concentration in a finger stick from a male blood donor is:

Answer 1

13.0 g/dL

Question 2

A cause for indefinite deferral of blood donation is:

Answer 2

Positive test for Trypanosoma cruzi

Question 3

Which of the following prospective donors would be accepted for donation?
32-year old woman who received a transfusion in a complicated delivery 5 months previously
19-year old sailor who has been stateside for 9 months and stopped taking his anti-malarial medication 9 months previously
22-year old college student who has a temperature of 99.2 and states that he feels well, but is nervous about donating
45-year old woman who has just recovered from a bladder infection and is still taking antibiotics

Answer 3

22-year old college student who has a temperature of 99.2 and states that he feels well, but is nervous about donating

Question 4

Which of the following constitutes permanent deferral status of a donor?
tattoo 5 months previously
recent close contact with a patient with viral hepatitis
2 units of blood transfused 4 months previously
confirmed positive test from HBsAg 10 years previously

Answer 4

confirmed positive test from HBsAg 10 years previously

Question 5

According to AABB standards, which of the following donors may be accepted as a blood donor?
traveled to an area endemic for malaria 9 months previously
spontaneous abortion at 2 months of pregnancy, 3 months previously
resides with a known hepatitis B patient
received a blood transfusion 22 weeks previously

Answer 5

spontaneous abortion at 2 months of pregnancy, 3 months previously

Question 6

In order to be a plateletpheresis donor, the platelet count must be at least:

Answer 6

150,000/uL

Question 7

Prior to blood donation, the intended venipuncture site must be cleaned with a scrub solution containing:

Answer 7

Povidone iodine

Question 8

A donor who has just donated 2 units of Apheresis Red Blood Cells will be deferred from further blood donation for a minimum of how many weeks?

Answer 8

16

Question 9

Which of the following infectious agents relies solely on donor questioning to avoid transmission from transfused blood products?
Trypanosoma cruzi
Plasmodium falciparum
Zika virus
CMV virus

Answer 9

Plasmodium falciparum

Question 10

Which of the following practices at the time of blood collection helps minimize bacterial contamination of platelet products?
use of 18-gauge needle
diversion pouch
green soap scrub
UV irradiation

Answer 10

Diversion pouch

Question 11

Which of the following travel related responses will results in donor deferral?
residence in England for 6 months during 1990
residence in Scotland for 10 months during 2016
residence in Chad 10 years previously
residence in Canada 2 years previously

Answer 11

residence in England for 6 months during 1990

Question 12

According to AABB standards, what is the minimum hemoglobin level for an autologous donor?

Answer 12

11.0 g/dL

Question 13

What is/are the minimum pretransfusion testing requirement(s) for autologous donations collected and transfused by the same facility?

Answer 13

ABO and Rh typing only