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: Physiology
Posterior pa of hypothalamus is concerned with: March 2013 
Select and explain. 
A. Regulation of sexual function, B. Role in circadian rhythm, C. Regulation of response to smell, D. Secretion of posterior pituitary hormones
C: Regulation of response to smell
Answer: C: Regulation of response to smell 
Explanation: Ans. C i.e. Regulation of response to smell