4.8 Donors

Question 1

Which of the following individuals is acceptable as a blood donor?
A. A 29-year-old man who received the hepatitis B vaccine last week
B. A 21-year-old woman who had her nose pierced last week
C. A 30-year-old man who lived in Zambia for 3 years and returned last month
D. A 54-year-old man who tested positive for hepatitis C last year but has no active symptoms of disease

Answer 1

A 29-year-old man who received the hepatitis B vaccine last week

Question 2

SITUATION: A 53-year-old woman donates blood at her place of employment. She weighs 150 lb and has a hemoglobin level of 13 g/dL. She is currently on warfarin and vitamin B12. Is she an acceptable donor?
A. Yes
B. No, she is on warfarin
C. Yes, for RBCs only
D. No, her hemoglobin is too low

Answer 2

Yes, for RBCs only

Question 3

Which immunization has the longest deferral period?
A. Hepatitis B immune globulin (HBIG)
B. Rubella vaccine
C. Influenza vaccine
D. Yellow fever vaccine

Answer 3

Hepatitis B immune globulin (HBIG)

Question 4

The following whole blood donors regularly give blood. Which donor may donate on September 10?
A. A 40-year-old woman who last donated on July 23
B. A 28-year-old man who had plateletpheresis on August 24
C. A 52-year-old man who made an autologous donation on September 9
D. A 23-year-old woman who donated blood for her aunt on August 14

Answer 4

A 28-year-old man who had plateletpheresis on August 24

Question 5

Which of the following precludes acceptance of a plateletpheresis donor?
A. Platelet count of 75 × 109/L in a donor who is a frequent platelet donor
B. Plasma loss of 800 mL from plasmapheresis 1 week ago
C. Plateletpheresis performed 4 days ago
D. Aspirin ingested 7 days ago

Answer 5

Platelet count of 75 × 109/L in a donor who is a frequent platelet donor

Question 6

Which of the following donors could be accepted for whole blood donation?
A. A construction worker who was incarcerated for opiate abuse
B. A triathlete with a pulse of 45
C. A man who is currently taking finasteride (Propecia)
D. A woman in her 14th week of pregnancy

Answer 6

A triathlete with a pulse of 45

Question 7

Which physical examination result is cause for rejecting a whole blood donor?
A. Weight of 105 lb
B. Pulse of 75
C. Temperature of 37.4°C (99.3°F)
D. Diastolic pressure of 110 mm Hg

Answer 7

Diastolic pressure of 110 mm Hg

Question 8

Which situation is not a cause for indefinite deferral of a donor?
A. Male donor whose father has been diagnosed with Creutzfeldt-Jakob disease (CJD)
B. Donation of a unit of blood that transmitted hepatitis B virus (HBV) to a recipient
C. Donor tested reactive for HBV by nucleic acid testing (NAT)
D. Accidental needlestick 1 year ago; negative for infectious disease

Answer 8

Accidental needlestick 1 year ago; negative for infectious disease

Question 9

A whole blood donor currently on clopidogrel (Plavix) is precluded from donating which product?
A. Platelets
B. RBCs
C. FFP
D. Cryoprecipitate

Answer 9

Platelets

Question 10

How much anticoagulant would have to be removed from the collection bag given a donor who weighs 90 lb?
A. 12 mL
B. 15 mL
C. 20 mL
D. 23 mL

Answer 10

12 mL

Question 11

A woman begins to breathe rapidly while donating blood. Choose the correct course of action.
A. Continue the donation; rapid breathing is not a reason to discontinue a donation
B. Withdraw the needle, raise her feet, and administer ammonia
C. Discontinue the donation, and provide a paper bag for donor to breathe slowly into
D. Tell her to sit upright, and apply a cold compress to her forehead

Answer 11

Discontinue the donation, and provide a paper bag for donor to breathe slowly into

Question 12

A donor bag is half filled during donation when the blood flow stops. Select the correct course of action.
A. Closely observe the bag for at least 3 minutes; if blood flow does not resume, withdraw the needle
B. Remove the needle immediately, and discontinue the donation
C. Check and reposition the needle, if necessary; if blood flow does not resume, withdraw the needle
D. Withdraw the needle, and perform a second venipuncture in the other arm

Answer 12

Check and reposition the needle, if necessary; if blood flow does not resume, withdraw the needle

Question 13

Who is the best candidate for a predeposit autologous donation?
A. A 45-year-old man who is having elective surgery in 2 weeks; he has alloanti-k
B. A 23-year-old female patient with leukemia and a hemoglobin level of 10 g/dL
C. A 12-year-old boy who has hemophilia
D. A 53-year-old woman who has septicemia

Answer 13

A 45-year-old man who is having elective surgery in 2 weeks; he has alloanti-k

Question 14

Can an autologous donor donate blood on Monday if he or she is having surgery on Friday?
A. Yes, he or she can donate up to 72 hours before surgery
B. No, he or she cannot donate within 7 days of surgery
C. Yes, he or she can donate, but only a half a unit
D. No, he or she cannot donate within 5 days of surgery

Answer 14

Yes, he or she can donate up to 72 hours before surgery

Question 15

Which of the following is an acceptable time in which a unit of whole blood is collected?
A. 33 minutes
B. 25 minutes
C. 20 minutes
D. 13 minutes

Answer 15

13 minutes

Question 16

Which of the following is true regarding acute normovolemic hemodilution?
A. One or more units of blood are withdrawn from the patient and replaced with FFP
B. Units removed may be stored in the operating room at room temperature for 8 hours
C. Units removed may be stored in the operating room at room temperature for 24 hours
D. Unused units can be added to the general donor blood inventory

Answer 16

Units removed may be stored in the operating room at room temperature for 8 hours

Question 17

All of the following apply to a double RBC unit apheresis collection except:
A. The hematocrit must be at least 38%
B. The weight for a female is at least 150 lb
C. The height for a male is at least 5 ft 1 in
D. The deferral period following collection is 16 weeks

Answer 17

The hematocrit must be at least 38%

Question 18

An autologous unit of whole blood was collected on a 33-year-old woman in preparation for a knee replacement procedure in 3 weeks. The whole blood unit had her hyphenated last name, first name, and last four digits of her social security number for identification. The laboratory computer system, however, only had her married name and first name, medical record number, and social security number. What should be done with this blood product?
A. Discard the unit
B. Make the unit available for transfusion
C. Confirm the name with the donor, have admissions make the correction in the computer system, and then make the unit available for transfusion
D. Ensure that social security numbers match, confirm the name with the donor and have admissions make the correction in the computer system with the medical director’s approval, and then make the unit available for transfusion

Answer 18

Ensure that social security numbers match, confirm the name with the donor and have admissions make the correction in the computer system with the medical director’s approval, and then make the unit available for transfusion

Question 19

What is the youngest age a person can make allogeneic whole blood donation?
A. 14 years
B. 15 years
C. 16 years
D. 17 years

Answer 19

16 years

Question 20

Which of the following donors are acceptable for whole blood donation?
A. A man who had sex with another man 2 weeks ago
B. A male construction worker who tested positive for hepatitis B surface antigen (HBsAg)
C. A man who had sex with another man 2 years ago
D. A female who had sex with a male who had sex with another male (MSM) 1 month ago

Answer 20

A man who had sex with another man 2 years ago