CNS Physiology MCQ Questions & Answers PDF

Physiology of the Central Nervous System - MCQ Questions and Answers 1. 1. What is the primary role of the nervous system? a) Digestion b) Blood circulation c) Rapid control of body activities Answer: c) Rapid control of body activities 2. 2. The central nervous system (CNS) consists of: a) B...

Physiology of the Central Nervous System - MCQ Questions and Answers 1. 1. What is the primary role of the nervous system? a) Digestion b) Blood circulation c) Rapid control of body activities Answer: c) Rapid control of body activities 2. 2. The central nervous system (CNS) consists of: a) Brain and spinal cord b) Brain and muscles c) Spinal nerves only Answer: a) Brain and spinal cord 3. 3. Which part of the brain includes the cerebral hemisphere? a) Spinal cord b) Brain stem c) CNS Answer: c) CNS 4. 4. The brain stem includes all EXCEPT: a) Pons b) Medulla oblongata c) Basal ganglia Answer: c) Basal ganglia 5. 5. How many pairs of cranial nerves are in the peripheral nervous system? a) 12 b) 31 c) 24 Answer: a) 12 6. 6. Which receptor type detects thermal stimuli? a) Mechanoreceptors b) Thermal receptors c) Pain receptors Answer: b) Thermal receptors 7. 7. What is the function of sensory receptors? a) Control muscle movement b) Detect and transduce stimuli c) Produce energy Answer: b) Detect and transduce stimuli 8. 8. Exteroceptors are responsible for: a) Internal sensations b) External sensations like touch and temperature c) Stretching muscles Answer: b) External sensations like touch and temperature 9. 9. Which law explains receptor sensitivity to specific stimuli? a) Weber-Fechner's law b) Muller's law of specific nerve energy c) Law of projection Answer: b) Muller's law of specific nerve energy 10. 10. Pain receptors are classified as: a) Chemoreceptors b) Mechanoreceptors c) Non-adapting receptors Answer: c) Non-adapting receptors