This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 358 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 358 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the nervous system consist of? A) Muscles & bones. B) Nerves, spinal cord & heart. C) Monkeys, whales, and doritos. D) Nerves, spinal cord, brain, & sense organs. Show Answer Correct Answer: D) Nerves, spinal cord, brain, & sense organs. 2. What are two roles of glial cells? A) Regulating metabolic activity and serving as pain dectors. B) Shaping cells and moving new neurons into place. C) Acting as insulation and proving structure to surrounding neurons. D) Monitoring neural transmission and relating and releasing hormones in the brain. Show Answer Correct Answer: C) Acting as insulation and proving structure to surrounding neurons. 3. Which division of the nervous system comprises the brain and spinal cord? A) CNS. B) PNS. C) Afferent. D) SNS. Show Answer Correct Answer: A) CNS. 4. A scientist wants to see if lightning bugs glow more frequently in a darker environment. She puts equal amounts of lightning bugs in a lighted box and in a dark box. What is the dependent variable in this experiment? A) Level of light. B) Frequency of bugs' glow. C) Same size boxes. D) Predators of lightning bugs. Show Answer Correct Answer: B) Frequency of bugs' glow. 5. The gap between neurons is called a ..... A) Conclusion. B) Dendrite. C) Axon Terminal. D) Axon. Show Answer Correct Answer: A) Conclusion. 6. What is the brain stem's function (job)? A) It controls the voluntary activities such as breathing, heart rate, and digestion. B) It controls the involuntary activities such as breathing, heart rate and digestion. C) It controls your emotions. D) It controls the voluntary muscles of the skeleton system. Show Answer Correct Answer: B) It controls the involuntary activities such as breathing, heart rate and digestion. 7. Where is the trigger zone? A) Start of axon. B) End of axon. C) Middle of axon. D) Central process. Show Answer Correct Answer: A) Start of axon. 8. Movement A) Frontal lobe. B) Parietal lobe. C) Occipital lobe. D) Temporal lobe. Show Answer Correct Answer: A) Frontal lobe. 9. It is good for your brain to smoke. A) True. B) False. Show Answer Correct Answer: B) False. 10. Which part of the following action statement is a response?You caught the frisbee when your friend tossed it to you. A) You caught the frisbee. B) Your friend tossed it to you. Show Answer Correct Answer: A) You caught the frisbee. 11. To initiate an action potential, the following must occur EXCEPT. A) Efflux of K+ ion. B) Threshold level exceeded. C) Closing of K+ voltage gated channel. D) Diffusion of Na+ ions through Na+ voltage gated channel. Show Answer Correct Answer: A) Efflux of K+ ion. 12. Heat is an example of ..... A) Response. B) Effector. C) Stimulus. D) Sensory Receptor. Show Answer Correct Answer: C) Stimulus. 13. Preparing the body for the "fight-or-flight" responce is the role of the: A) Sympathetic nervous system. B) Cerebrum. C) Parasympathetic nervous system. D) Somatic nervous system. E) Afferent nervous system. Show Answer Correct Answer: A) Sympathetic nervous system. 14. The size of the pupil is an example of ..... A) Response. B) Effector. C) Stimulus. D) Sensory Receptor. Show Answer Correct Answer: A) Response. 15. How do sensory receptors communicate with the nervous system? A) By releasing hormones into the bloodstream. B) By generating electrical signals in response to stimuli. C) By physically moving towards the central nervous system. D) By increasing the temperature of the body. Show Answer Correct Answer: B) By generating electrical signals in response to stimuli. 16. Blood vessels that supply individual cells with substances and removes cell wastes A) Capillaries. B) Arteries. C) Veins. D) Pharynx. Show Answer Correct Answer: A) Capillaries. 17. The onset of epilepsy most frequently occurs: A) In infants and the elderly. B) In teens and young adults. C) Ages 25-45. D) Over the age of 65. Show Answer Correct Answer: A) In infants and the elderly. 18. How many vertebrae is our backbone made of? A) 14. B) 22. C) 33. D) 8. Show Answer Correct Answer: C) 33. 19. What accounts for the fact that the perception of taste is sharply reduced when one has a head cold? A) Much of what we consider taste is really smell; blocked air passages reduce detection of information. B) The taste buds can no longer communicate with the olfactory nerve. C) The air passages are blocked, which prevents communication of the taste buds with the brain. D) Taste buds have a weakened sensitivity when one has a head cold. Show Answer Correct Answer: A) Much of what we consider taste is really smell; blocked air passages reduce detection of information. 20. Which of the following is NOT a cause of peroneal nerve damage? A) Habitual leg crossing over time. B) Trauma or injury to the knee. C) Pressure to the knee due to coma. D) Neck injury. Show Answer Correct Answer: D) Neck injury. ← 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