Physiology MCQs

Physiology MCQs help medical and dental students master body functions across cardiovascular, respiratory, renal, digestive, endocrine, and neurophysiology systems. Ideal for MDCAT, NTS, USMLE, and FCPS, these quizzes boost retention and exam success.

Q: Cerebrospinal fluid is produced mainly by the
A) Pituitary gland
B) Dura mater
C) Arachnoid villi
D) Choroid plexus
Q: The phase of the menstrual cycle when ovulation occurs
A) Ovulatory
B) Follicular
C) Luteal
D) Menstrual
Q: Pulmonary surfactant increases
A) Lung compliance
B) Pulmonary vascular resistance
C) Surface tension
D) Airway obstruction
Q: Renin is secreted in response to
A) High GFR
B) Low sodium
C) Hyperkalemia
D) Increased blood pressure
Q: The part of the nephron where most reabsorption occurs
A) Collecting duct
B) Distal convoluted tubule
C) Proximal convoluted tubule
D) Loop of Henle