This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 149 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 149 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. About how many neurons do we have in our body? A) A dozen. B) Hundreds. C) Thousands. D) Billions. Show Answer Correct Answer: D) Billions. 2. The main type of cell which produce CSF A) Astrocyte. B) Basket cell. C) Ependymal cell. D) Schwann cell. Show Answer Correct Answer: C) Ependymal cell. 3. Which part of the neuron is a long fiber that SENDS information to other cells? A) Dendrite. B) Terminal. C) Cell body. D) Axon. Show Answer Correct Answer: D) Axon. 4. A nerve impulse is also known as ..... in a neuron. A) Passive potential. B) Action potential. C) Basic potential. D) Negative potential. Show Answer Correct Answer: B) Action potential. 5. Protect neuron cell bodies A) Schwann cells. B) Microglia. C) Satellite cells. D) Ependymal Cells. Show Answer Correct Answer: C) Satellite cells. 6. What is in The Central and Peripheral nervous system A) Your heart. B) Just the spinal cord. C) Just the brain. D) Brain and spinal cord. Show Answer Correct Answer: D) Brain and spinal cord. 7. Stalk like structure that relays impulses between brain and other parts of the body. A) Spinal cord. B) Conclusion. C) Voluntary. D) Motor neuron. Show Answer Correct Answer: A) Spinal cord. 8. Which division of the autonomic nervous system dominates in times of relaxation? A) Parasympathetic. B) Sympathetic. Show Answer Correct Answer: A) Parasympathetic. 9. Movements that you choose to control A) Cramp. B) Voluntary. C) Strain. D) Involuntary. Show Answer Correct Answer: B) Voluntary. 10. What is the protective covering of the brain called? A) Cortex. B) Ventricles. C) Cerebellum. D) Meninges. Show Answer Correct Answer: D) Meninges. 11. What is the response in this situation? "An organism is hungry so it eats some food" A) Feeling hungry. B) Eating food. Show Answer Correct Answer: B) Eating food. 12. What is the charge inside a neuron at rest A) Positive. B) Negative. Show Answer Correct Answer: B) Negative. 13. During hyperpolarization a cell becomes A) More positive than resting. B) More negative than resting. C) Colder than resting. D) None of the answers. Show Answer Correct Answer: B) More negative than resting. 14. Which division of the nervous system controls skeletal muscle? A) Somatic. B) Sympathetic. C) PNS. D) Autonomic. Show Answer Correct Answer: A) Somatic. 15. What is the function of the spinal cord? A) To control voluntary actions. B) To regulate physiological functions. C) To transmit nerve impulses to and from the brain. D) To carry messages from the senses to the brain. Show Answer Correct Answer: C) To transmit nerve impulses to and from the brain. 16. Which of Newton's Laws states that 'for every action, there is an equal and opposite reaction? A) Ch. B) 1st. C) And. D) An offer. Show Answer Correct Answer: D) An offer. 17. Something that causes a response is called a A) Response. B) Stimulus. C) Touch. D) Survival. Show Answer Correct Answer: B) Stimulus. 18. How are nerve signals passed from one nerve to another while traveling to and from the brain? A) The nerve cells grow together. B) They pass some cytoplasm to the next cell. C) An electrical signal jumps across a synapse gap. D) Hormones carry the signal through the blood. Show Answer Correct Answer: C) An electrical signal jumps across a synapse gap. 19. The generation, transmission, reception, and response to/of electrochemical signals makes ..... possible A) Sensory input. B) Integration. C) Motor output. D) All answers are correct. Show Answer Correct Answer: D) All answers are correct. 20. True or false? In a potassium leakage channel, potassium ions will go a low concentration of potassium ions A) True. B) False. Show Answer Correct Answer: A) True. ← 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