This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 434 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 434 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the job of the retina? A) Carrying signals to your brain. B) Allowing light into the eye. C) Focusing and defocusing. D) Converting light into electronic signals. Show Answer Correct Answer: D) Converting light into electronic signals. 2. The innermost membrane covering the brain and spinal cord is the? A) Dura Mater. B) Pia Mater. C) Arachnoid membrane. D) None of above. Show Answer Correct Answer: B) Pia Mater. 3. Coordinates your muscle actions and helps keep your balance A) Cerebellum. B) Cerebrum. C) Brain Stem. D) Concussion. Show Answer Correct Answer: A) Cerebellum. 4. If you are looking at the arbor vitae, which part of the brain are you examining? A) Thalamus. B) Pons. C) Cerebellum. D) Medulla. Show Answer Correct Answer: C) Cerebellum. 5. Connect sensory and motor neurons and carry impulses between them A) Interneurons. B) Motor neurons. C) Sensory neurons. D) Nodes. Show Answer Correct Answer: A) Interneurons. 6. What is the brief electrical impulse that provides the basis for conduction of nerve signals along the axon? A) Post synaptic potential. B) Membrane potential. C) Action potential. D) Resting potential. Show Answer Correct Answer: C) Action potential. 7. It takes nutrients from the food and distributes it into the bloodstream. What is it? A) Small intestine. B) Large intestine. C) Mouth. D) Esophagus. Show Answer Correct Answer: A) Small intestine. 8. Pain in the joint A) Joint pain. B) Muscleache. C) Calf pain. D) None of above. Show Answer Correct Answer: A) Joint pain. 9. What is the first step in a reflex arc? A) Receptor. B) Effector. C) Efferent neuron (motor neuron). D) Afferent neuron (sensory neuron). E) Interneuron (integration center). Show Answer Correct Answer: A) Receptor. 10. Which part of the brain controls muscle movement and learning? A) Cerebrum. B) Cerebellum. C) Hypothalamus. D) Brain Stem. Show Answer Correct Answer: A) Cerebrum. 11. What two minerals are bones primarily made up of? A) Carbon and Nitrogen. B) Calcium and Phosphorus. C) Gold and Silver. D) None of above. Show Answer Correct Answer: B) Calcium and Phosphorus. 12. Mylein is defined as: A) An outer membrane on a neuroglial cell. B) A lipid-protein (lipoprotein) cell membrane on the ouside of axons. C) A mass of white lipid material that surrounds the cell body of a neuron. D) A mass of white lipid material that insulates the axon of a neuron. E) A mass of white lipid material that surrounds the dendrites of a neuron. Show Answer Correct Answer: D) A mass of white lipid material that insulates the axon of a neuron. 13. Mark each of the following statements somatic nervous system or autonomic nervous system.maintains a stable internal environment (homeostasis) A) Somatic nervous system. B) Autonomic nervous system. Show Answer Correct Answer: B) Autonomic nervous system. 14. The Cerebrum is the largest part of your brain. A) True. B) False. Show Answer Correct Answer: A) True. 15. There are 4 types of nerves A) False. B) True. Show Answer Correct Answer: A) False. 16. Organs are made out of? A) 2 or more different tissues. B) 2 or more of the same tissue. C) 2 or more different specialized cells. D) None of above. Show Answer Correct Answer: A) 2 or more different tissues. 17. IF A) Amyotrophic lateral sclerosis. B) Inflammation of a nerve. C) Excessive sensitivity. D) Glial cell. Show Answer Correct Answer: A) Amyotrophic lateral sclerosis. 18. This part of the brain is in charge of breathing, and heartbeat: A) Cerebrum. B) Medulla. C) Cerebellum. D) None of above. Show Answer Correct Answer: B) Medulla. 19. The dark spots within the cell body are called A) Schwann cells. B) Myelin sheaths. C) Axon hillocks. D) Nissl bodies. Show Answer Correct Answer: D) Nissl bodies. 20. Brain and spinal cord A) PNS. B) CNS. C) Motor. D) Sensory. Show Answer Correct Answer: B) CNS. ← 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