This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 728 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 728 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... ions start outside the cell and then move into the cell to cause depolarization of a neuron A) Chlorine. B) Proteins. C) Sodium. D) Potassium. Show Answer Correct Answer: C) Sodium. 2. What is the Number and function of the Glossopharyngeal A) #5-moves the tongue. B) #8-helps you hear. C) #11-moves the tongue. D) #9-taste, swallowing, saliva. Show Answer Correct Answer: D) #9-taste, swallowing, saliva. 3. What is the function of Schwann cells in the peripheral nervous system? A) Form fatty myelin sheaths around nerve fibers. B) Serve as cushioning support cells. C) Link nutrient-supplying capillaries to neurons. D) Absorb and dispose of dead cells and bacteria. Show Answer Correct Answer: A) Form fatty myelin sheaths around nerve fibers. 4. Which effect will be observed following the administration of nicotinic cholinergic antagonist? A) Only sympathetic effects are inhibited. B) Only parasympathetic effects are inhibited. C) Both sympathetic and parasympathetic effects are inhibited. D) Both sympathetic and parasympathetic effects are unaffected. Show Answer Correct Answer: C) Both sympathetic and parasympathetic effects are inhibited. 5. This is the control center of the nervous system controlling both voluntary and involuntary processes. A) Central Nervous System. B) Peripheral Nervous System. Show Answer Correct Answer: A) Central Nervous System. 6. Region of the central nervous system that acts as a relay for sensory pathways. A) Thalamus. B) Process. C) Enteric Nervous System (ENS). D) Axon Terminal. Show Answer Correct Answer: A) Thalamus. 7. What are the two principal parts of the central nervous system? A) Nerves. B) Cerebrum. C) Brain and spinal cord. D) Heart. Show Answer Correct Answer: C) Brain and spinal cord. 8. Ability to judge distance A) Visual acuity. B) Farsightedness. C) Depth perception. D) Accommodation. Show Answer Correct Answer: C) Depth perception. 9. Increases the speed of impulse transmission A) Axon terminal. B) Dendrite. C) Myelin sheath. D) Neuron cell body. E) Nissl bodies. Show Answer Correct Answer: C) Myelin sheath. 10. Anatomical division of the nervous system that is largely outside the cranial and vertebral cavities, namely all parts except the brain and spinal cord. A) Peripheral Nervous System (PNS). B) Integration. C) Astrocyte. D) Stimulus. Show Answer Correct Answer: A) Peripheral Nervous System (PNS). 11. Which division of the autonomic nervous system has ganglia located near or inside effector organs? A) Parasympathetic Nervous System. B) Visceral Nervous System. C) Somatic Nervous System. D) Sympathetic Nervous System. Show Answer Correct Answer: A) Parasympathetic Nervous System. 12. The part of the peripheral nervous system that carries signals from your central nervous system to your muscles and glands: A) Motor or efferent division. B) Central division. C) Sympathetic division. D) Parasympathetic division. Show Answer Correct Answer: A) Motor or efferent division. 13. At rest, there are more ..... ions outside the neuron and more ..... ions inside the neuron. A) Potassium, Sodium. B) Sodium, Potassium. C) Calcium, Potassium. D) Potassium, Calcium. Show Answer Correct Answer: B) Sodium, Potassium. 14. Lower part of the abdomen A) Lower abdomen. B) Color together. C) Upper abdomen. D) None of above. Show Answer Correct Answer: A) Lower abdomen. 15. Label 18 A) Ulnar Nerve. B) Radial Nerve. C) C1 Nerve. D) Median Nerve. Show Answer Correct Answer: D) Median Nerve. 16. Once the threshold potential is reached A) K+ channels open. B) The membrane potential is positive. C) An action potential is inevitable. D) Na+ channels close. Show Answer Correct Answer: C) An action potential is inevitable. 17. 8th nerve, hearing A) Trigeminal. B) Abducting. C) Facial. D) Vestibulocochlear. Show Answer Correct Answer: D) Vestibulocochlear. 18. A single process that comes off the cell body of a neuron and conducts impulses away from the cell A) Dendrites. B) Axon. C) Node of Ranvier. D) Schwann Cells. Show Answer Correct Answer: B) Axon. 19. Animals use their ..... to gather information. A) Senses. B) Memories. C) Survival. D) Specialized. Show Answer Correct Answer: A) Senses. 20. Nodes of ranvier is number ..... A) 1. B) 4. C) 3. D) 6. Show Answer Correct Answer: B) 4. ← 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