Correct Answers Already Graded A+
**1.** What is the primary purpose of donor screening before organ recovery?
A. To improve surgical technique
B. To ensure donor organs are cosmetically acceptable
C. To reduce risk of disease transmission to recipients
D. To improve preservation solution quality
**✅ Correct Answer:** C
**2.** Which of the following tests is required for infectious disease screening in potential
donors?
A. ABO typing only
B. ALT
C. HIV, HBV, HCV, and syphilis
D. PSA
**✅ Correct Answer:** C
**3.** What is the acceptable time frame for tissue recovery after cardiac death in most
protocols?
A. 12 hours
B. 6–15 hours depending on tissue type
C. 24 hours
D. 48 hours
**✅ Correct Answer:** B
**4.** Which of the following donors is generally contraindicated for transplantation?
A. Controlled DCD
B. Positive HIV test
1|P age
,C. Donor with treated hypertension
D. Donor older than 60
**✅ Correct Answer:** B
**5.** The Uniform Anatomical Gift Act (UAGA) governs:
A. Organ sales across states
B. Legal consent for organ and tissue donation
C. Organ preservation solution selection
D. Cold ischemia time
**✅ Correct Answer:** B
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### **Domain 2: Preservation and Storage Techniques (Q21–60)**
**21.** What is the ideal temperature for cold storage of kidneys?
A. 0°C
B. 4°C
C. 10°C
D. 25°C
**✅ Correct Answer:** B
**22.** Which solution is most commonly used for kidney preservation?
A. Ringer’s lactate
B. UW (University of Wisconsin) solution
C. Plasma-Lyte
D. Saline
**✅ Correct Answer:** B
**23.** The main purpose of preservation solution is to:
A. Increase ATP production
2|P age
, B. Reduce metabolic activity and prevent cell swelling
C. Promote oxygenation
D. Stimulate immune response
**✅ Correct Answer:** B
**24.** What is the approximate safe cold ischemia time for liver preservation?
A. 6 hours
B. 12 hours
C. 18 hours
D. 30 hours
**✅ Correct Answer:** B
**25.** Which of the following organs is most sensitive to ischemic injury?
A. Heart
B. Kidney
C. Pancreas
D. Cornea
**✅ Correct Answer:** A
**26.** For machine perfusion preservation, what parameter is most critical?
A. Pressure and flow rate
B. Color of perfusate
C. Ambient humidity
D. Operator experience only
**✅ Correct Answer:** A
**27.** Cryopreservation is mainly used for which tissue?
A. Heart
B. Bone
C. Skin
D. Vascular grafts
3|P age