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: Conduction velocity is fastest in
A) Thin myelinated fibers
B) Unmyelinated fibers
C) Large myelinated fibers
D) C fibers
Q: The primary buffer system in the extracellular fluid
A) Bicarbonate buffer
B) Phosphate buffer
C) Protein buffer
D) Hemoglobin buffer
Q: Increased carbon dioxide levels in blood stimulate
A) Decreased ventilation
B) Metabolic alkalosis
C) Increased ventilation
D) Vasoconstriction
Q: The hormone that increases renal water reabsorption
A) Oxytocin
B) Cortisol
C) Antidiuretic hormone
D) Epinephrine
Q: The stimulus for erythropoietin release
A) Acidosis
B) Hyperglycemia
C) Hypoxia
D) Dehydration