Immunohematology- Donors

Question 1

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

Question 2

2. SITUATION: A 53-year-old woman donates blood
   at her place of employment. She weighs 150 lb and
   has a hemoglobin 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 red cells only
   D. No, her hemoglobin is too low

Answer 2

C. Yes, for red cells only

Question 3

3. Which immunization has the longest deferral
   period?
   A. HBIG
   B. Rubella vaccine
   C. Influenza vaccine
   D. Yellow fever vaccine

Answer 3

A. HBIG

Question 4

4. The following whole blood donors regularly give
   blood. Which donor may donate on September 10th?
   A. A 40-year-old woman who last donated on
   July 23rd
   B. A 28-year-old man who had plateletpheresis on
   August 24th
   C. A 52-year-old man who made an autologous
   donation 2 days ago
   D. A 23-year-old woman who donated blood for her
   aunt on August 14th

Answer 4

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

Question 5

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

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

Question 6

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

B. A triathlete with a pulse of 45

Question 7

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 99.3°
   F
   D. Diastolic pressure of 110 mm Hg

Answer 7

D. Diastolic pressure of 110 mm Hg

Question 8

8. Which situation is not a cause for indefinite
   deferral of a donor?
   A. Male currently on dutasteride (Avodart)
   B. Donation of a unit of blood that transmitted
   hepatitis B virus to a recipient
   C. History of Creutzfeldt–Jacob disease
   D. Accidental needle stick 1 year ago; negative for
   infectious disease

Answer 8

D. Accidental needle stick 1 year ago; negative for
infectious disease

Question 9

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

Answer 9

A. Platelets

Question 10

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

A. 12 mL

Question 11

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
    D. Tell her to sit upright and apply a cold compress
    to her forehead

Answer 11

C. Discontinue the donation and provide a
paper bag

Question 12

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

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

Question 13

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 leukemia patient with a
    hemoglobin 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. A 45-year-old man who is having elective surgery
in 2 weeks; he has alloanti-k

Question 14

14. Can an autologous donor donate blood on
    Monday, if he 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

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

Question 15

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

D. 13 minutes

Question 16

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

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

Question 17

17. All of the following apply to a double red cell 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

A. The hematocrit must be at least 38%

Question 18

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

Answer 18

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

Question 19

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

Answer 19

C. 16

Question 20

20. Which of the following vaccinations carries no
    deferral period?
    A. Rubella
    B. Varicella zoster
    C. Recombinant HPV
    D. Smallpox

Answer 20

C. Recombinant HPV