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 inkblot test is also called
A) TAT
B) MMPI
C) Rorschach test
D) Stanford-Binet test
✅ Correct Answer: C
Explanation: The Rorschach test uses inkblots to assess personality and emotional functioning.
Q: A stimulus that naturally evokes a response is known as
A) Conditioned stimulus
B) Neutral stimulus
C) Unconditioned stimulus
D) Controlled stimulus
✅ Correct Answer: C
Explanation: In classical conditioning, an unconditioned stimulus automatically triggers a response.
Q: Phobia is an example of
A) Mood disorder
B) Anxiety disorder
C) Personality disorder
D) Psychotic disorder
✅ Correct Answer: B
Explanation: Phobia is an irrational fear classified under anxiety disorders.
Q: Cognitive dissonance theory was proposed by
A) Leon Festinger
B) John Watson
C) Abraham Maslow
D) Carl Jung
✅ Correct Answer: A
Explanation: Leon Festinger introduced the concept of mental discomfort from conflicting beliefs.
Q: The part of the brain responsible for regulating emotions is
A) Frontal lobe
B) Cerebellum
C) Amygdala
D) Hippocampus
✅ Correct Answer: C
Explanation: The amygdala plays a central role in processing emotions like fear and anger.
Q: The fight-or-flight response is triggered by the
A) Parasympathetic nervous system
B) Endocrine system
C) Sympathetic nervous system
D) Digestive system
✅ Correct Answer: C
Explanation: The sympathetic nervous system prepares the body for emergency action.
Q: The tendency to favor information that confirms existing beliefs is called
A) Retroactive interference
B) Confirmation bias
C) Encoding failure
D) Chunking
✅ Correct Answer: B
Explanation: Confirmation bias is the habit of focusing on supporting evidence only.
Q: The psychologist who emphasized unconditional positive regard is
A) Carl Rogers
B) B.F. Skinner
C) Sigmund Freud
D) Wilhelm Wundt
✅ Correct Answer: A
Explanation: Carl Rogers highlighted the importance of unconditional positive regard in therapy.
Q: An example of negative reinforcement is
A) Giving a reward
B) Removing a punishment
C) Administering a shock
D) Giving praise
✅ Correct Answer: B
Explanation: Negative reinforcement strengthens behavior by removing an unpleasant stimulus.
Q: The concept of collective unconscious was introduced by
A) Sigmund Freud
B) Carl Jung
C) Erik Erikson
D) Albert Bandura
✅ Correct Answer: B
Explanation: Carl Jung proposed a shared reservoir of memory traces from our species’ history.