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: Psychiatry
Drug of choice for cheese reaction 
Select and explain. 
A. Amitryptaline, B. Dantrolene sodium, C. Phentolamine, D. Yohimbine
C: Phentolamine
Answer: C: Phentolamine 
Explanation: Cheese reaction occurs when cheese,red wine or beer is consumed along with MAO - A inhibitors as they inhibits metabolism of tyramine present in these items.
Increase tyramine levels can rlevate blood pressure of cause hypertensive crisis which is treated by Phentolamine that blocks alpha1 and alpha2 receptors.