This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 440 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 440 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Schwann cells wrap themselves around axons to insulate them. What are the outer layer of the Schwann cells called? A) Myelin. B) Conclusion. C) Neurilemma. D) None of the above. Show Answer Correct Answer: C) Neurilemma. 2. This motor/efferent subcategory (CNS to receptor) impulses are sent to involuntary effectors such as the cardiac muscle, smooth muscle and the glands. A) Somatic sensory system. B) Visceral sensory system. C) Somatic motor system. D) Visceral/autonomic motor system. Show Answer Correct Answer: D) Visceral/autonomic motor system. 3. Divsion of the nervous system that is the "excitement" division, fight or flight: A) Autonomic. B) Voluntary. C) Somatic. D) Sympathetic. Show Answer Correct Answer: D) Sympathetic. 4. True or False:Nervous System's overall function is to collect information about the external conditions in relation to the body's internal state, to analyze this information, and to initiate appropriate responses to satisfy certain needs like maintaining homeostasis. The most powerful of these needs is survival. A) False. B) True. Show Answer Correct Answer: B) True. 5. It is due to damaged myelin sheath surrounding nerves in the brain and spinal cord. A) ALZHEIMER'S. B) CEREBRAL PALSY. C) EPILEPSY. D) MULTIPLE CLEROSIS. Show Answer Correct Answer: D) MULTIPLE CLEROSIS. 6. What is the function of the blood's platelets? A) To absorb and transfer oxygen. B) To destroy bacteria. C) To keep the blood in liquid form. D) To help clot the blood during an injury. Show Answer Correct Answer: D) To help clot the blood during an injury. 7. Upper chamber of the heart. Receives blood from the body & lungs. A) Atrium. B) Artery. C) Ventricle. D) Valve. Show Answer Correct Answer: A) Atrium. 8. True or False.word; phrase = phras/o A) True. B) False. Show Answer Correct Answer: B) False. 9. Analyzes and interprets messages and responds-control center A) Spinal cord. B) Neurons. C) Brain. D) Response. Show Answer Correct Answer: C) Brain. 10. What response in a neuron causes the Na to flow into the cell and increase the charge of the membrane potential? A) Trigger response. B) Depolarization. C) Repolarization. D) Resting potential. E) Refractory period. Show Answer Correct Answer: B) Depolarization. 11. A stroke or CVA is defined as: A) Is the death of a segment of heart muscle caused by a loss of blood supply. B) Is a sudden, uncontrolled electrical disturbance in the brain. C) Is a temporary loss of consciousness usually related to insufficient blood flow to the brain. D) Is a sudden interruption in the blood supply of the brain. Show Answer Correct Answer: D) Is a sudden interruption in the blood supply of the brain. 12. Gaps in the myelin sheath where nerve impulses are regenerated A) Nodes of Ranvier. B) Axon. C) Myelin. D) Conclusion. Show Answer Correct Answer: A) Nodes of Ranvier. 13. Which of the following are 2 of the types of Nerve Endings A) Cold and Pressure. B) Hot and Taste. C) Sweet and Sour. D) Touch and Feel. Show Answer Correct Answer: A) Cold and Pressure. 14. Adaptive plasticity (caused by brain damage) is A) Quickest in the weeks following the accident. B) Most efficient in young children. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 15. Anything that causes you to react is called A) Sound. B) Response. C) Stimulus. D) Memory. Show Answer Correct Answer: C) Stimulus. 16. This is the name for a nerve cell. They use electrical impulses and chemical signals to transmit information between different areas of the brain and the rest of the nervous system. "The whole nerve." A) Central nervous system. B) Peripheral nervous system. C) Neuron. D) Sensory neuron. Show Answer Correct Answer: C) Neuron. 17. Associated with reasoning, higher level cognition, and motor skills (motor cortex). A) Frontal lobe. B) Occipital lobe. C) Parietal lobe. D) Temporal lobe. Show Answer Correct Answer: A) Frontal lobe. 18. Which part of the brain helps control our balance and skeletal muscle activity? A) Cerebrum. B) Brain stem. C) Diencephalon. D) Cerebellum. Show Answer Correct Answer: D) Cerebellum. 19. Nervous tissue A) Tissue that is responsible for lining, covering, and glandular tissue. B) Tissue responsible for protecting, supporting, and binding together other body tissues. C) Tissues that contracts and shortens to produce movement. D) Tissue that receives and conducts electrochemical impulses from one part of the body to another. Show Answer Correct Answer: D) Tissue that receives and conducts electrochemical impulses from one part of the body to another. 20. What are the two layers of skin? A) Dermis and Epipen. B) Epidermis and Dermatitis. C) Dermis and Epidermis. D) Dermas and Epidermas. Show Answer Correct Answer: C) Dermis and Epidermis. ← 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