Question

On which of the factor the blood pressure is affected by?

(a) Nervous system

(b) Cardiac output

(c) Contractility

(d) Peripheral vascular resistance

I got this question in an international level competition.

My question is taken from Histamine, Bradykinin and Their Antagonists in portion Histamine, Bradykinin and their Antagonists, Pharmacotherapy of Gastric Ulcer, Peptic Ulcer of Drug Biotechnology

Answer 1

The correct choice is (a) Nervous system

The explanation is: Nervous system doesn’t directly affect the blood pressure of our body. Cardiac output, contractility, peripheral vascular resistance plays a huge role in determining the blood pressure of a person. Blood pressure depends upon cardiac output, contractility, fluid volume, peripheral vascular resistance. Blood pressure is affected by the nervous system, kidney functions, hormonal changes, capillary fluid shift.