Physiology MCQs

Physiology MCQs help medical and dental students develop a thorough understanding of the body's functional mechanisms. These multiple-choice questions focus on various systems such as cardiovascular, respiratory, renal, digestive, endocrine, and neurophysiology. Practicing these MCQs enhances knowledge retention and exam performance in tests like MDCAT, NTS, USMLE, and FCPS. Whether you're preparing for academic exams or professional licensure, these quizzes provide a solid framework for mastering the dynamic processes of the human body.

Q: The inkblot test is also called
A) TAT
B) MMPI
C) Rorschach test
D) Stanford-Binet test
βœ… 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
βœ… 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
βœ… 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
βœ… 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
βœ… 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
βœ… 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
βœ… 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
βœ… 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
βœ… 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
βœ… Correct Answer: B
Explanation: Carl Jung proposed a shared reservoir of memory traces from our species’ history.