This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
A 32 yr old male is known hypeensive and is being planned for cholecystectomy. Which of the following anesthetic agents is contraindicated in this person 
Select and explain. 
A. Propofol, B. Ketamine, C. Midazolam, D. Etomidate
B: Ketamine
Answer: B: Ketamine 
Explanation: Refer Katzung 11/e p437 Ketamine increases all pressures in the body It is therefore intravenous anesthetic of choice for shock and should be avoided in hypeensive patients. Fuher it is contraindicated in glaucoma and Head and injuries