This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 853 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 853 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The external covering of the Schwann cell is called the ..... A) Cell body. B) Node of Ranvier. C) Dendrite. D) Neurilemma. Show Answer Correct Answer: D) Neurilemma. 2. Which of the following is not the part of PNS: A) Cranial nerves. B) Ganglion. C) Spinal nerves. D) Spinal cord. Show Answer Correct Answer: D) Spinal cord. 3. Photoreceptors-respond to ..... A) Heat. B) Cold. C) Pain. D) Chemicals. E) Light. Show Answer Correct Answer: E) Light. 4. Reflex action is the involuntary movement of a body part. A) True. B) False. Show Answer Correct Answer: A) True. 5. Numbness and paralysis are associated with multiple sclerosis, which is a degenerative process associated with ..... of nerve cell. A) Demyelination. B) Hypermyelination. C) Hypomyelination. D) Myelination. Show Answer Correct Answer: A) Demyelination. 6. This cranial nerve takes audio information to the brain A) Auditory. B) Facial. C) Vagus. D) Optic. Show Answer Correct Answer: A) Auditory. 7. A brain structure that relays sensory messages to the cerebral cortex. A) Thalamus. B) Cerebellum. C) Pons. D) Medulla. Show Answer Correct Answer: A) Thalamus. 8. A clear fluid that surrounds and protects the brain and spinal cord, providing nutrients and cushioning A) Cerebrospinal fluid. B) Spinal fluid. C) Nerve fluid. D) Brain juice. Show Answer Correct Answer: A) Cerebrospinal fluid. 9. The colored part of the eye A) Pupil. B) Iris. C) Lens. D) Retina. Show Answer Correct Answer: B) Iris. 10. Which of the following description is wrong? A) Alzheimer's disease is the most common type of dementia caused by deposition of beta-amyloid. B) Parkinson's disease induces motor defects that is caused by substantia nigra degeneration. C) Multiple sclerosis is an autoimmune disease caused by remyelination. D) SOD gene mutation is involved in ALS pathogenesis. Show Answer Correct Answer: C) Multiple sclerosis is an autoimmune disease caused by remyelination. 11. The heart beating faster during exercise is an example of which portion of the PNS A) Somatic. B) Sensory. C) Autonomic. D) None of above. Show Answer Correct Answer: C) Autonomic. 12. What is the main function of the Peripheral Nervous System (PNS)? A) Communicate information from the body's organs, glands and muscles to the CNS. B) Communicate information from the body's organs, glands and muscles to the CNS and vice versa. C) Communicate information to the body's organs, glands and muscles to the CNS. D) Communication between sensory neurons and motor neurons. Show Answer Correct Answer: B) Communicate information from the body's organs, glands and muscles to the CNS and vice versa. 13. What is one of the functions of the spinal cord mentioned in the learning material? A) It stores nutrients and energy for the body. B) It filters blood to remove waste products. C) It conveys impulses to and from the brain and the peripheral nervous system. D) It produces hormones that regulate growth and metabolism. Show Answer Correct Answer: C) It conveys impulses to and from the brain and the peripheral nervous system. 14. What are the parts of the central nervous system? A) Brain and spinal cord. B) Spinal cord and nerves. C) Brain, spinal cord, and nerves. D) Brain, nerves and endocrine system. Show Answer Correct Answer: A) Brain and spinal cord. 15. True or False You can replace brain cells. A) True. B) False. Show Answer Correct Answer: B) False. 16. Nerve cells that are activated by sensory input from the environment. Example:You burn your hand on a hot pan. "Information from the senses." A) Central nervous system. B) Peripheral nervous system. C) Neuron. D) Sensory neuron. Show Answer Correct Answer: D) Sensory neuron. 17. What causes electrical or chemical signal? A) Neurons. B) Impulses. C) Bacon. D) Dish tv. Show Answer Correct Answer: B) Impulses. 18. Look at me A) Come with me. B) Look at me. C) Follow my finger. D) None of above. Show Answer Correct Answer: B) Look at me. 19. Proprioception is related to the assessment of: A) Posture. B) Position of the body. C) Equilibrium. D) Coordinated body movements. Show Answer Correct Answer: B) Position of the body. 20. Neurotransmitters cross the synapse by A) Active transport. B) Diffusion. C) Osmosis. D) Walking. Show Answer Correct Answer: B) Diffusion. ← PreviousNext →Related QuizzesScience QuizzesNervous System Quiz 1Nervous System Quiz 2Nervous System Quiz 3Nervous System Quiz 4Nervous System Quiz 5Nervous System Quiz 6Nervous System Quiz 7Nervous System Quiz 8Nervous System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books