Blood donation

1. A first-time donor aged 65 wants to donate blood. What is the correct decision?

A. Accept unconditionally
B. Accept if yearly medical check-up is passed
C. Accept with parental consent
D. Reject due to age

2. Which donor Hb level is acceptable for a female?

A. 12.0 g/dL
B. 12.4 g/dL
C. 12.5 g/dL
D. 18.5 g/dL

3. Why is apheresis restricted to donors with firm, large veins?

A. Prevents citrate toxicity
B. Ensures effective suction flow
C. Reduces vasovagal reactions
D. Minimises air embolism

4. Donors taking which medication are not allowed to donate blood?

A. Beta blockers
B. ACE inhibitors
C. Calcium channel blockers
D. Thiazide diuretics

5. What is the minimum platelet count for apheresis donation?

A. 100 x10^9/L
B. 120 x10^9/L
C. 150 x10^9/L
D. 180 x10^9/L

6. Which donor is permanently deferred?

A. Underweight by 1kg
B. Recent viral infection
C. Multiple sexual partners
D. Low Hb on day of donation

7. A foreigner in Malaysia for 10 months wants to donate. What is correct?

A. Accept if healthy
B. Accept if able to read English
C. Defer until residence exceeds 12 months
D. Accept if weight >55kg

8. After a tattoo, when can a person donate?

A. Immediately if healthy
B. After 4 weeks
C. After 3 months
D. After 6 months

9. Duration of whole blood collection should not exceed:

A. 8 minutes
B. 10 minutes
C. 12 minutes
D. 15 minutes

10. Why is blood collected >12 minutes unsuitable for platelet preparation?

A. Clotting factors degraded
B. Platelet function compromised
C. Increased bacterial contamination risk
D. Reduced red cell viability

11. Which is a general systemic reaction during donation?

A. Haematoma
B. Arterial puncture
C. Vasovagal reaction
D. Nerve irritation

12. Donor with well-controlled diabetes on metformin can:

A. Donate anytime
B. Donate if HbA1c <7.0%
C. Donate only plasma
D. Donate if not insulin-dependent

13. Which blood tube is used for nucleic acid testing?

A. 6ml K2EDTA
B. 8ml gel K2EDTA (2nd tube)
C. 8ml gel K2EDTA (3rd tube)
D. Plain tube

14. For whole blood donation, maximum frequency is:

A. 3 times in 12 months
B. 4 times in 12 months
C. Every 4 weeks
D. Unlimited if healthy

15. Apheresis donors must have donated whole blood:

A. At least once before
B. At least twice before within 6 months
C. Never before
D. Only if >60 years old

16. What is the maximum duration between apheresis donations?

A. 1 week
B. 2 weeks
C. 3 weeks
D. 4 weeks

17. Blood pressure criteria for donation includes:

A. Systolic 90-140 mmHg
B. Diastolic 60-110 mmHg
C. Systolic 100-150 mmHg
D. Diastolic 80-120 mmHg

18. A donor is taking ACE inhibitors. What is the action?

A. Accept if BP normal
B. Accept if only for hypertension
C. Defer temporarily
D. Permanently defer

19. Which adverse reaction is unique to apheresis?

A. Vasovagal reaction
B. Haematoma
C. Citrate toxicity
D. Arterial puncture

20. Why is anonymity between donor and recipient important?

A. Legal requirement only
B. Enhances donor comfort
C. Ensures ethical donation practice
D. Reduces vasovagal incidents

21. Pregnant donors can donate:

A. Anytime in pregnancy
B. Immediately post-partum
C. 9 months after delivery or 3 months post-weaning
D. After 4 weeks of delivery

22. Which best describes apheresis?

A. Removal of whole blood only
B. Plasma and platelets withdrawn; red cells returned
C. Removal of plasma only
D. Removal of platelets only

23. A donor weighs 50kg. Eligible for:

A. Whole blood donation
B. Apheresis
C. Both
D. Neither

24. What is the purpose of automated blood mixer?

A. Regulates flow speed
B. Prevents bacterial contamination
C. Ensures uninterrupted mixing for anticoagulation
D. Monitors bleeding time

25. Which deferral period is incorrect?

A. Fever – 7 days after recovery
B. Pregnancy – 3 months after baby weaned
C. Tattoo – 3 months
D. Acupuncture – 6 months

26. Why is minimum Hb required for donation?

A. Prevent fainting
B. Prevent anaemia post-donation
C. Ensure high-quality blood
D. All of the above

27. High risk sexual behaviour results in:

A. Temporary deferral
B. Permanent deferral
C. Acceptance with consent
D. Deferred only if symptomatic

28. Which is not a nurse's responsibility in donation?

A. Venipuncture
B. Donor screening
C. Blood component separation
D. Post-donation monitoring

29. An apheresis donor last donated 8 months ago. What is correct?

A. Proceed with apheresis
B. Revert to whole blood donation
C. Permanently defer
D. Wait 4 more months

30. Which situation requires immediate deferral?

A. Systolic BP 102 mmHg
B. Hb 12.6 g/dL (female)
C. Taking insulin for diabetes
D. Tattoo 7 months ago

Blood donation

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