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: Surgery
The dose of epinephrine given in anaphylaxis: 
Select and explain. 
A. 0.5 mg in 1:1000 IM, B. 0.5 mg in 1:10,000 IM, C. 0.5 mg in 1:500 IM, D. 1 mg in 1:100 IM
A: 0.5 mg in 1:1000 IM
Answer: A: 0.5 mg in 1:1000 IM 
Explanation: None