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: The oxygen-carrying protein in red blood cells
A) Hemoglobin
B) Myosin
C) Albumin
D) Fibrinogen
Q: The function of surfactant in the lungs
A) Stimulate ciliary motion
B) Reduce surface tension
C) Promote mucus secretion
D) Increase airway resistance
Q: Blood pressure is primarily regulated by
A) Spleen
B) Pulmonary arteries
C) Autonomic nervous system
D) Thymus
Q: Vitamin K is essential for
A) Nerve conduction
B) Red blood cell synthesis
C) Coagulation
D) Bone resorption
Q: Increased secretion of ADH leads to
A) Water retention
B) Diuresis
C) Decreased blood volume
D) Sodium excretion