Our collection of physiology MCQs is meticulously designed to reinforce the conceptual understanding of various topics in biology. Covering a broad spectrum, our Human Physiology MCQs with answers delve into multiple concepts, including human digestion, the nervous system, human reproduction, body fluids and circulation, breathing and gas exchange, the renal system, respiratory system, GIT and liver, endocrinology, locomotion and movement in human sense organs, reflex actions, spinal nerves, physiology of urine formation, insulin physiology, and more. These carefully selected topics are sourced from reputable and authoritative physiology reference books. Our physiology MCQs with answers serve as invaluable resources for individuals preparing for interviews, entrance exams, competitive assessments, and certifications, catering to experienced professionals, newcomers, and students alike. Additionally, explore our MCQs on Pharmacology for further study.
**121. The process by which a single neuron relays messages to other neurons is known as _____________?**
A. polarization
B. depolarization
C. axonal transmission
**D. synaptic transmission**
**122. The thyroid gland controls ______________?**
A. glucose absorption
B. emotions
**C. metabolism**
D. sexuality
**123. The fatty material protecting the axon in some neurons is called a/an _____________?**
A. dendrite
**B. myelin sheath**
C. ganglion
D. axon terminal
**124. The skeletal nervous system is a component of the _____________ nervous system?**
**A. peripheral**
B. autonomic
C. central
D. sympathetic
**125. The elementary units of the nervous system that carry out the functions of the system are called _____________?**
**A. neurons**
B. nerves
C. ganglia
D. glia
**126. The function of dendrites is to ______________?**
A. release neurotransmitters
**B. receive incoming signals**
C. coordinate the activation of parasympathetic and sympathetic nervous system
D. control pain
**127. Which of the following brain areas is important for speech?**
A. Wernicke’s area
B. cerebellum
C. thalamus
**D. hippocampus**
**128. Messages are transmitted from your spinal cord to your heart muscles by the ____________?**
A. limbic system
B. skeletal nervous system
C. central nervous system
**D. autonomic nervous system**
**129. The longest part of a neuron is ____________?**
A. dendrite
**B. axon**
C. cell body
D. synapses
**130. The portions of your nervous system which control breathing and digestion are ______________?**
A. axon
**B. autonomic**
C. linear circuit
D. none of these