Deck 12: Donor Selection and Phlebotomy

Question 1

How often can a person donate a unit of whole blood for a directed donation?

A)8 weeks
B)2 weeks
C)48 hours
D)24 hours

Answer 1

A
Directed donors must follow the same guidelines as allogeneic donors.

Question 2

During the donor screening process,the potential donor's blood drop sinks to the bottom of the copper sulfate solution within 15 seconds.What is the interpretation of this test?

A)The hemoglobin is within limits;however,the hematocrit must be checked.
B)The donor has an acceptable hemoglobin and hematocrit to donate.
C)The donor is temporarily deferred.
D)The specific gravity of the copper sulfate is incorrect.

Answer 2

B
Using the specific gravity of a copper sulfate solution is a screening method to determine whether the hemoglobin and hematocrit are within limits.If the blood drop does not sink within 15 seconds,the donor's hemoglobin or hematocrit should be verified with a more precise measurement.

Question 3

Blood collected from a therapeutic phlebotomy is:

A)acceptable for inventory under certain Food and Drug Administration guidelines.
B)unacceptable for inventory.
C)acceptable if the "volunteer donor" label is removed.
D)acceptable if the patient meets all regular donor criteria.

Answer 3

A
The Food and Drug Administration requires a variance from the blood center to allow a blood unit from a donor with genetic hemochromatosis to be placed into inventory.

Question 4

Which of the following is not a cause for temporary deferment of a whole blood donor?

A)Aspirin ingestion 12 hours previously
B)Hepatitis B immunoglobulin taken 4 weeks previously
C)Oral polio vaccine taken 1 week previously
D)Rubella injection 1 week previously

Question 5

The purpose of a "diversion pouch" that is used when collecting blood from a donor is to:

A)collect samples for viral marker testing.
B)prime the line to remove air.
C)determine if blood flow is sufficient.
D)avoid bacterial contamination of the blood product.

Question 6

A 21-year-old college student wishes to participate in the "double red" program at the local blood center by donating red blood cells collected by apheresis.What is the minimum height and weight requirement that she must meet?

A)Height: 5'1",130 lb
B)Height: 5'3",125 lb
C)Height: 5'5",150 lb
D)no height requirement,110 lb

Question 7

Which one of the following histories represents an acceptable donor? Hematocrit Blood Pressure (mm Hg)Temperature Pulse (beats/min)Age

Question 8

Which of the following contributes to permanent rejection status of a donor?

A)A tattoo 5 months previously
B)Contact with a patient with viral hepatitis
C)Two units of blood transfused 4 months previously
D)Confirmed positive test for hepatitis B surface antigen 10 years previously

Question 9

Autologous donors may not donate if they:

A)have a positive test for syphilis.
B)are on antibiotics for an infection.
C)are taking aspirin.
D)are over 65 years old.

Question 10

A 58-year-old woman revealed that she had experimented with intravenous drugs as a teenager.What would be the acceptable deferral period,if any,for this potential donor?

A)She is an acceptable donor because testing will pick up evidence of hepatitis.
B)She will need to be deferred for 12 months.
C)She is an acceptable donor if she has had the hepatitis B vaccine.
D)She is deferred.

Question 11

How long must a donor wait to donate red blood cells again following a 2-unit red blood cell apheresis donation?

A)56 days
B)4 weeks
C)10 weeks
D)16 weeks

Question 12

Following donation,how long does it take to replace the fluid lost from giving whole blood?

A)3 hours
B)12 hours
C)48 hours
D)72 hours

Question 13

It is necessary to mix the unit frequently during the donation process to:

A)avoid blood clots by mixing the anticoagulant with the blood.
B)suspend the platelets throughout the unit.
C)determine whether the volume is acceptable.
D)allow the donation process to go more quickly.

Question 14

Below are the results of the medical screening for a prospective donor: Age: 16
Hematocrit: 35%
Temperature: 37.2° C
History: HPV immunization,1 week ago
How many of the above results would exclude this donor from donating?

A)None,she is acceptable.
B)1
C)2
D)3

Question 15

Allogeneic whole blood donors may donate every __________ days.

A)24
B)36
C)56
D)72

Question 16

Which type of autologous donation procedure is the most common for most types of surgery?

A)Preoperative hemodilution
B)Postoperative salvage
C)Intraoperative blood salvage
D)Preoperative donation

Question 17

What is the minimum hemoglobin level for a potential allogeneic donor?

A)11 g/dL
B)12 g/dL
C)12.5 g/dL
D)14 g/dL

Question 18

If a prospective donor has participated in a plasmapheresis program,how long must he or she wait to donate whole blood?

A)56 days
B)48 hours
C)24 hours
D)4 weeks

Question 19

Following delivery,what is the deferral time for donating a unit of whole blood?

A)2 weeks
B)4 weeks
C)6 weeks
D)8 weeks

Question 20

Before donation,the intended venipuncture site must be cleaned with:

A)PVP-iodine complex
B)Alcohol
C)10% acetone
D)Green soap

Question 21

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
28-year-old man who was incarcerated overnight for unspecified reason 2 months ago

Question 22

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
22-year-old man who returned from Iraq 3 months ago and was vaccinated for tetanus and yellow fever before being deployed

Question 23

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
19-year-old woman who recently finished the three-part vaccination for hepatitis B surface antigen after starting a volunteer position at the hospital

Question 24

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
27-year-old woman returning from the Peace Corps in Nigeria who was vaccinated for typhoid 6 months ago

Question 25

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
18-year-old woman currently taking Accutane for acne

Question 26

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
25-year-old man treated for syphilis 3 months ago

Question 27

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
53-year-old woman taking a beta-blocker for hypertension and over-the-counter low-dose aspirin for blood-clot prevention

Question 28

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
48-year-old man taking Propecia for baldness

Question 29

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
65-year-old woman taking sleep medication at night

Question 30

MATCHING
Indicate how the following allogeneic donors should be classified.a.Acceptable donors
b.Temporarily deferred
c.Permanently deferred
d.Indefinite deferral
50-year-old woman on vacation in the United States who currently lives in England