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: Flashbulb memories are typically
A) Weak memories
B) Randomly created
C) Emotionally vivid
D) Easily forgotten
✅ Correct Answer: C
Explanation: Flashbulb memories are detailed recollections tied to emotionally significant events.
Q: The process of diminishing a conditioned response is called
A) Reinforcement
B) Spontaneous recovery
C) Extinction
D) Generalization
✅ Correct Answer: C
Explanation: Extinction occurs when the conditioned stimulus is repeatedly presented without the unconditioned stimulus.
Q: Schemas help in
A) Forgetting experiences
B) Storing emotions
C) Organizing knowledge
D) Reacting instinctively
✅ Correct Answer: C
Explanation: Schemas are cognitive frameworks that assist in interpreting and organizing information.
Q: The defense mechanism involving refusal to accept reality is
A) Repression
B) Denial
C) Regression
D) Projection
✅ Correct Answer: B
Explanation: Denial involves rejecting facts or reality, often in response to uncomfortable emotions.
Q: The part of personality acting as a moral guide in Freud’s theory is the
A) Id
B) Ego
C) Superego
D) Shadow
✅ Correct Answer: C
Explanation: The superego represents internalized societal rules and conscience.