This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 584 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 584 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is NOT a function of the cerebrospinal fluid? A) It protects the central nervous system. B) It cushions the brain. C) It increases pressure at the base of the brain. D) It fills the subarachnoid space. Show Answer Correct Answer: C) It increases pressure at the base of the brain. 2. Which structure controls how much light is let into the eye? A) The pupil. B) The sclera. C) The iris. D) The lens. Show Answer Correct Answer: C) The iris. 3. How are living things able to respond to their surrounding world? A) Thanks to the nervous system. B) Thanks to the brain. C) Thanks to the sensory and motor nerves. D) Thanks to digestive system. Show Answer Correct Answer: A) Thanks to the nervous system. 4. Which part make you balance, dance and flexibility A) Brain stem. B) Medulla. C) Thalamus. D) Cerebellum. E) Cerebrum. Show Answer Correct Answer: D) Cerebellum. 5. The actions that are controlled by the brain are called ..... actions. A) Automatic. B) Voluntary. C) Involuntary. D) Reflex. Show Answer Correct Answer: B) Voluntary. 6. The white matter of the nervous system is made up of: A) Myelinated fibers. B) Nuclei. C) Unmyelinated fibers. D) Ganglia. Show Answer Correct Answer: A) Myelinated fibers. 7. As the impulse passes, gates within the potassium channel open, allowing ..... to flow out A) K ions. B) Na ions. C) At ions. D) Ha ions. Show Answer Correct Answer: A) K ions. 8. What are the glial cells that help the neurons of the CNS to produce ATP? A) Microglia. B) Astrocytes. C) Oligodendrocytes. D) Satellite cells. Show Answer Correct Answer: B) Astrocytes. 9. The gaps in the myelin sheath are called ..... A) Nodes. B) Synapses. C) Reflexes. D) Potentials. Show Answer Correct Answer: A) Nodes. 10. What part of the PNS is involuntary A) Somatic. B) Autonomic. C) They will bring. D) Afferent. Show Answer Correct Answer: B) Autonomic. 11. ..... controls and regulates the amount light entering the eye A) Iris. B) Pupil. C) Retina. D) Cornea. Show Answer Correct Answer: B) Pupil. 12. Meaning process of producing a picture A) -graphy. B) -esthesia. C) -ology. D) -otomy. Show Answer Correct Answer: A) -graphy. 13. We only use 10 percent of our brain A) True. B) Fake news!. Show Answer Correct Answer: B) Fake news!. 14. One or more bundles of fibers forming part of a system that conveys impulses of sensation, motion, etc., between the brain or spinal cord and other parts of the body. A) Neurons. B) Axon. C) Nerves. D) Senses. Show Answer Correct Answer: C) Nerves. 15. These nerves send a signal to the brain from one of the 5 senses A) Motor nerves. B) Sensory nerves. C) Brain nerves. D) Short twitch nerves. Show Answer Correct Answer: B) Sensory nerves. 16. Your brain stem is directly connected to what other area of your body? A) Spinal cord. B) Heart. C) Lungs. D) Tongue. Show Answer Correct Answer: A) Spinal cord. 17. Which lobe of the brain lets you process music? A) Frontal. B) Parietal. C) Temporal. D) Occipital. Show Answer Correct Answer: C) Temporal. 18. What kind of cells make up the nerves? A) Blood Vessels. B) Neurons. C) Plasma. D) Nerve fibers. Show Answer Correct Answer: B) Neurons. 19. Your brain controls some actions involuntarily. A) True. B) False. Show Answer Correct Answer: A) True. 20. A balance state where the sympathetic and parasympathetic work together A) Homeostasis. B) Quadriplegia. C) Medulla oblongata. D) None of above. Show Answer Correct Answer: A) Homeostasis. ← 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