Difficulty: Medium
Average Score: 70%
Simulated
The 6-year-old client diagnosed with cystic fibrosis (CF) needs a lung transplant. Which individual would be the best donor for the client?
Correct answer
A
Rationale
A healthy sibling (20-year-old brother) offers the best HLA match and living donor potential, minimizing rejection. Carrier status or partial matches are less optimal.