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 Stanford prison experiment studied the effects of perceived power.
A) Milgram experiment
B) Pavlov's experiment
C) Stanford prison experiment
D) Little Albert experiment
✅ Correct Answer: C
Explanation: Conducted by Zimbardo, this study examined how roles influence behavior in a simulated prison.
Q: The DSM is used to diagnose mental disorders.
A) DNP
B) DSM
C) APA
D) ICD
✅ Correct Answer: B
Explanation: The Diagnostic and Statistical Manual of Mental Disorders (DSM) is widely used in psychology and psychiatry.
Q: Erikson’s theory outlines eight stages of psychosocial development.
A) Piaget’s stages
B) Erikson’s stages
C) Maslow’s levels
D) Kohlberg’s stages
✅ Correct Answer: B
Explanation: Erikson identified stages of development from infancy to adulthood, each with a psychosocial conflict.
Q: Positive reinforcement increases the likelihood of a behavior being repeated.
A) Negative reinforcement
B) Punishment
C) Extinction
D) Positive reinforcement
✅ Correct Answer: D
Explanation: Positive reinforcement strengthens behavior by offering a reward after the desired action.
Q: Introversion and extraversion are personality traits identified by Carl Jung.
A) Carl Rogers
B) Carl Jung
C) Abraham Maslow
D) Sigmund Freud
✅ Correct Answer: B
Explanation: Jung introduced the concepts of introversion and extraversion as part of personality theory.
Q: The hypothalamus regulates bodily functions such as hunger and temperature.
A) Amygdala
B) Cerebellum
C) Hippocampus
D) Hypothalamus
✅ Correct Answer: D
Explanation: The hypothalamus helps maintain homeostasis by controlling functions like hunger and thirst.
Q: The IQ score is designed to measure intellectual potential.
A) EQ score
B) Aptitude score
C) IQ score
D) SAT score
✅ Correct Answer: C
Explanation: Intelligence quotient (IQ) assesses intellectual ability relative to age norms.
Q: In Pavlov's experiments, the bell became a conditioned stimulus.
A) Reinforcer
B) Unconditioned stimulus
C) Conditioned stimulus
D) Neutral stimulus
✅ Correct Answer: C
Explanation: The bell, initially neutral, triggered salivation after being paired with food.
Q: Mirror neurons are believed to play a role in empathy and imitation.
A) Motor neurons
B) Sensory neurons
C) Mirror neurons
D) Interneurons
✅ Correct Answer: C
Explanation: Mirror neurons activate both when performing and observing actions, aiding empathy.
Q: The fight-or-flight response is triggered by the sympathetic nervous system.
A) Parasympathetic system
B) Autonomic system
C) Sympathetic system
D) Somatic system
✅ Correct Answer: C
Explanation: The sympathetic system prepares the body for emergency responses.