This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 809 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 809 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A white, fatty covering wrapped around the axons of some neurons that increases their communication speed. A) Conclusion. B) Synaptic cleft. C) Myelin sheath. D) Cell body. Show Answer Correct Answer: C) Myelin sheath. 2. Doctors usually tell teens with concussions to rest, get plenty of sleep, cut back on physical and mental activity, and reduce or avoid screen time (including video games and social media) while they are recovering from a concussion A) True. B) False. Show Answer Correct Answer: A) True. 3. There are how many bones in a baby human being? A) 206. B) 225. C) Around 300. D) 158. Show Answer Correct Answer: C) Around 300. 4. "Fight or Flight" refers to what system? A) The Sympathetic Nervous System. B) The Parasympathetic Nervous System. Show Answer Correct Answer: A) The Sympathetic Nervous System. 5. What is the role of the myelin sheath in the nervous system during exercise? A) To speed up nerve signal transmission. B) To protect the neurons from damage. C) To regulate neurotransmitter release. D) To regulate blood flow to the brain. Show Answer Correct Answer: A) To speed up nerve signal transmission. 6. Carries signal from CNS toward a muscle or gland as a response to a stimulus A) Afferent neuron. B) Efferent neuron. C) Interneuron. D) None of above. Show Answer Correct Answer: B) Efferent neuron. 7. What are the 3 main functions of the nervous system? A) Nerves, organs, tandem. B) Transmeter, skull, system. C) Sensory, integration, motor. D) Cells, mitochondria, bone. Show Answer Correct Answer: C) Sensory, integration, motor. 8. A soft object brushes lightly against you. You're most likely to feel the sensation if it touches your: A) Hand. B) Leg. C) Chest. D) Arm. Show Answer Correct Answer: A) Hand. 9. A condition in which the inside of the cell membrane is more positively charged than the outside. A) Resting Potential. B) Depolarized. C) Polarized. D) Repolarized. Show Answer Correct Answer: B) Depolarized. 10. Which of these carries messages away from the cell body? A) Axon. B) Cell Body. C) Myelin Sheath. D) Dendrites. Show Answer Correct Answer: A) Axon. 11. Which part of a neuron sends the message out from the cell body? A) Axon. B) Dendrite. C) Cell body. D) Neuron. Show Answer Correct Answer: A) Axon. 12. What are the two functions of the lens of the eye? A) Refraction and accomodation. B) Impulse reception and transmission. C) Maintains the shape of the eyeball and refracts light. D) Color vision and night vision. Show Answer Correct Answer: A) Refraction and accomodation. 13. How many tastes can an individual gustatory cell respond to? A) 1. B) 2. C) 4. D) 5. Show Answer Correct Answer: A) 1. 14. What does the autonomic nervous system regulate in the body? A) Voluntary actions like speaking. B) Involuntary actions like breathing. C) Cognitive functions like thinking. D) Sensory functions like tasting. Show Answer Correct Answer: B) Involuntary actions like breathing. 15. Are stress, sadness and anger good for your brain? A) No. B) Yes. Show Answer Correct Answer: A) No. 16. The cerebrospinal fluid is circulated in the A) Dura mater. B) Pia mater. C) Arachnoid mater. D) None of above. Show Answer Correct Answer: C) Arachnoid mater. 17. Which of the following is not an organ of the nervous system? A) Neuron. B) Nerve. C) Brain. D) Spinal cord. Show Answer Correct Answer: A) Neuron. 18. When a basketballer shoots for a goal, which part of the brain sends the message instructing her to raise her shooting arm? A) The primary somatosensory cortex. B) The prefrontal lobe. C) The occipital lobe. D) The primary motor cortex. Show Answer Correct Answer: D) The primary motor cortex. 19. When sound reaches the inner ear, what turns the mechanical waves into electrical stimuli your brain can interpret A) Hair cells. B) Cochlea. C) Semicircular canals. D) Oval window. Show Answer Correct Answer: A) Hair cells. 20. Which nerve is a sensory nerve that conducts impulses associated with the sense of vision? A) Vagus (X). B) Optic (II). C) Facial (VII). D) Accessory (XI). Show Answer Correct Answer: B) Optic (II). ← 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