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
True statement regarding halothane is – a) Reduces arterial pressureb) Increases heart ratec) Decreases cardiac outputd) Increases sympathoadrenal activity 
Select and explain. 
A. ac, B. bc, C. ad, D. b
A: ac
Answer: A: ac 
Explanation: Halothane decreases BP, HR & CO.
There is no change on systemic vascular resistance.