This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2017, Subject name: Anaesthesia
A cardiovascular parameter helpful in diagnosis of anaphylaxis during anaesthesia: 
Select and explain. 
A. Dysrhythmia, B. Bradycardia, C. Increased peripheral vascular resistance, D. Hypotension
D: Hypotension
Answer: D: Hypotension 
Explanation: Most impoant parameter during anaphylaxis which appears during anesthesia- Hypotension Management:- Stop medication- Give 100% O2- IV adrenaline