This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Amifostine, protects all of the following except – 
Select and explain. 
A. CNS, B. Salivary glands, C. Kidneys, D. GIT
A: CNS
Answer: A: CNS 
Explanation: Amifostine does not cross the blood brain barrier and offers no protection to the Central Nervous System.