This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 235 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 235 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Once a neuron is completely depolarized, it reaches a membrane potential of about ..... (known as the action potential) A) -30mv. B) +30mv. C) -55mv. D) +55mv. Show Answer Correct Answer: B) +30mv. 2. Which part of the brain is responsible for conducting messages to other parts of the brain; for certain reflex actions including chewing, tasting, and saliva production. A) Cerebellum. B) Medulla. C) Midbrain. D) Pons. Show Answer Correct Answer: D) Pons. 3. What is the nerve impulse in the axon called? A) Action potential. B) Resting potential. C) Membrane potential. D) Conclusion. Show Answer Correct Answer: A) Action potential. 4. Which division of the nervous system consists of the brain, spinal cord, and optic nerves? A) "Sympathetic system". B) Autonomic nervous system. C) Central nervous system". D) Peripheral nervous system". Show Answer Correct Answer: D) Peripheral nervous system". 5. Brain and Spinal cord are part of our ..... A) Central Nervous System. B) Peripheral Nervous System. Show Answer Correct Answer: A) Central Nervous System. 6. System which is not in our conscious control A) Autonomic NS. B) Somatic NS. C) Central NS. D) Parasympathetic NS. Show Answer Correct Answer: A) Autonomic NS. 7. Nerve 5 A) Trigeminal. B) C1 Nerve. C) Facial. D) Vagus Nerve. Show Answer Correct Answer: A) Trigeminal. 8. The spinal cord is a long, thin tube containing nervous tissue. A) True. B) False. Show Answer Correct Answer: A) True. 9. What are interneurons? A) They connect spinal motor and sensory neurons. B) They are responsible for language. C) They connect the spinal chord to the brain. D) They connect grey matter to white matter. Show Answer Correct Answer: A) They connect spinal motor and sensory neurons. 10. The sub-arachnoid space contains? A) CSF. B) Meningeal arteries. C) Dural sinuses. D) Arachnoid. Show Answer Correct Answer: A) CSF. 11. True or false:The brain is protected by the skull and three layers of tissues called meninges. A) True. B) False. Show Answer Correct Answer: A) True. 12. Reasoning, analysis, movement speech A) Frontal lobe. B) Temporal lobe. C) Parietal lobe. D) Occipital lobe. Show Answer Correct Answer: A) Frontal lobe. 13. Combining form that mean cerebellum A) Cerebell/o. B) Brain. C) Encephal/o. D) Turn. Show Answer Correct Answer: A) Cerebell/o. 14. What is a Contusion? A) A bruise. B) A progressive disorder that interferes with the transmission of nerve impulses from the motor areas of the brain. C) The progressive destruction of the myelin sheath. D) A traumatic brain injury caused by a bump, blow, or jolt to the head or by a hit to the body that causes the head and brain to move rapidly back and forth. Show Answer Correct Answer: A) A bruise. 15. Paraplegia A) Paralysis of the lower part of the body and legs. B) Paralysis of all four limbs. C) Paralysis affecting either the right or left side of the body. D) None of above. Show Answer Correct Answer: A) Paralysis of the lower part of the body and legs. 16. What direction for the electrical signal travel through the neuron? A) From dendrites, into the cell body, down the axon and out axon terminals. B) From Axon terminals, down the Axon, & out of the dendrites. C) Any direction up or down the cell. D) From the Axon, to the Dendrites, and out the Axon terminals. Show Answer Correct Answer: A) From dendrites, into the cell body, down the axon and out axon terminals. 17. The bundle of nerve fibers that carry information from the retina to the brain. A) Iris. B) Lens. C) Myelin. D) Optic nerve. Show Answer Correct Answer: D) Optic nerve. 18. What are the two main structural divisions of the nervous system? A) The peripheral nervous system and central nervous system. B) The dendritic and the axonal systems. C) The sympathetic and parasympathetic systems. D) The brain and spinal nerves. Show Answer Correct Answer: A) The peripheral nervous system and central nervous system. 19. What part of the eye allows us to see color? A) Cones. B) Rods. C) Iris. D) Eyeball. Show Answer Correct Answer: A) Cones. 20. Which of the following best describes the structure and function of the Central Nervous System? A) Nerves and sensory receptors. Connects the CNS to organs, limbs, and skin. B) Brain and spinal cord.It transmits messages to and from the brain. It controls spinal reflexes. C) Neurons that carry impulses from CNS to the involuntary smooth muscles and organs. D) None of above. Show Answer Correct Answer: B) Brain and spinal cord.It transmits messages to and from the brain. It controls spinal reflexes. ← PreviousNext →Related 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 9Nervous System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books