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: Pharmacology
Plasma half-life of carbimazole is: 
Select and explain. 
A. 4 hours, B. 8 hours, C. 16 hours, D. 24 hours
B: 8 hours
Answer: B: 8 hours 
Explanation: Half-life of carbimazole is around 8 hours whereas propylthiouracil has t1/2 of 2 hours.