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: Anaesthesia
Hypertension with tachycardia is due to – 
Select and explain. 
A. Morphine, B. Thiopentone, C. Ketamine, D. Halothane
C: Ketamine
Answer: C: Ketamine 
Explanation: Heart rate, BP, cardiac output and myocardial oxygen consumption all are increased by ketamine.