This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 265 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 265 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The junction between 2 neurons is called the A) Dendrite. B) Axon. C) Node of Ranvier. D) Conclusion. Show Answer Correct Answer: D) Conclusion. 2. What disorder occurs when you brain is jarred against the skull? A) Stroke. B) Parkinson's disease. C) Cerebral Palsy. D) Concussion. Show Answer Correct Answer: D) Concussion. 3. Where can you find separate cells type receptors? A) Leather. B) Key bids. Show Answer Correct Answer: B) Key bids. 4. What are the roles of the peripheral nervous system? A) Transmitting sensory information and controlling motor functions outside the brain and spinal cord. B) Processing and integrating sensory information. C) Coordinating body activities and transmitting signals. D) Regulating involuntary bodily functions such as heartbeat and digestion. Show Answer Correct Answer: A) Transmitting sensory information and controlling motor functions outside the brain and spinal cord. 5. What is the Peripheral Nervous System composed of? A) Veins and arteries. B) Nerves branching out from the brain and spinal cord. C) Intestines. D) Root endings. Show Answer Correct Answer: B) Nerves branching out from the brain and spinal cord. 6. These cells support, insulate, and protect neurons. A) Neurons. B) Neuroglia. C) Fibroblasts. D) Cell bodies. Show Answer Correct Answer: B) Neuroglia. 7. Chemo-receptors are found in the following sensory organs. A) Eyes and ears. B) Skin and ears. C) Nose and Mouth. D) Nose and ears. Show Answer Correct Answer: C) Nose and Mouth. 8. Membrane channels that are always open are called ..... channels A) Active. B) Gated. C) Passive. D) Regulated. Show Answer Correct Answer: C) Passive. 9. ..... injuries from accidents can lead to serious problems like paralysis. A) Peripheral. B) Autonomic. C) Nervous system. D) Spinal cord. Show Answer Correct Answer: D) Spinal cord. 10. The occipital lobe is in charge of the: A) Auditory area. B) Learning area. C) Primary sensory cortex. D) Visual area. Show Answer Correct Answer: D) Visual area. 11. The link between the brain and the peripheral nervous system; the central connection for all nerves in the body A) Brain. B) Nerves. C) Spinal cord. D) Brain stem. Show Answer Correct Answer: C) Spinal cord. 12. What is one of the functions of cerebrospinal fluid (CSF)? A) It generates electrical signals for the brain. B) It transports oxygen to the brain cells. C) It protects the brain by preventing it from contacting the skull. D) It serves as a primary source of nutrients for the brain. Show Answer Correct Answer: C) It protects the brain by preventing it from contacting the skull. 13. What is the main organ of the central nervous system? A) Brain. B) Spinal cord. C) Heart. D) Lungs. Show Answer Correct Answer: A) Brain. 14. What does the AUTONOMIC part of the peripheral nervous system control? A) Voluntary actions. B) Involuntary actions. C) Semi-voluntary actions. D) Automatic actions. Show Answer Correct Answer: B) Involuntary actions. 15. This is the part of a neuron made up of threadlike fibers. A) Axons. B) Dendrites. C) Conclusion. D) Myelin. Show Answer Correct Answer: A) Axons. 16. A neuron with a voltage of-55 mV is at the ..... potential. A) Resting. B) Threshold. C) Depolarized. D) Repolarized. Show Answer Correct Answer: B) Threshold. 17. Blinking of your eyes when dust particles enter is controlled by the ..... A) Forebrain. B) Hind brain. C) Mid brain. D) Spinal cord. Show Answer Correct Answer: C) Mid brain. 18. The resting membrane potential of a neuron (resting membrane potential) refers to which condition? (A.M. 54) A) The intracellular solution contains more K+ than outside the cell. B) The intracellular solution contains more Na+ than outside the cell. C) Sodium channels open, so more Na+ flows out of the cell. D) Potassium channels open, so more K+ flows into the cell. E) It is the phase in which the Na+ K+ pump works without using ATP. Show Answer Correct Answer: A) The intracellular solution contains more K+ than outside the cell. 19. Connects neurons A) Sensory neurons. B) Motor neurons. C) Interneurons. D) None of above. Show Answer Correct Answer: C) Interneurons. 20. The part of the nervous system comprising the brain and spinal cord. A) Autonomic Nervous System. B) Central Nervous System. C) Peripheral Nervous System. D) Somatic Nervous System. Show Answer Correct Answer: B) Central Nervous System. ← 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