This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 241 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 241 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is the squeezing of muscles in the esophagus to move food down to the stomach. A) Saliva. B) Acid. C) Gravity. D) Peristalsis. Show Answer Correct Answer: D) Peristalsis. 2. Which part of the Nervous System gathers information from the rest of the body and reports back to the Central Nervous System? A) Reflexes. B) Dendrites. C) The CNS. D) The Peripheral Nervous System. Show Answer Correct Answer: D) The Peripheral Nervous System. 3. Which of these is a function of the peripheral nervous system? A) Detect stimuli only. B) Process information only. C) Respond to information only. D) Detect and respond to information. Show Answer Correct Answer: D) Detect and respond to information. 4. A loss of sight is called ..... A) Deafness. B) Blindness. C) Numbness. D) Unsteadiness. E) Incoordination. Show Answer Correct Answer: B) Blindness. 5. The pons, midbrain and medulla are all parts of the: A) Brain stem. B) Cerebrum. C) Cerebellum. D) Meninges. Show Answer Correct Answer: A) Brain stem. 6. Why is hyperpolarization important? A) It makes sure the neuron is healthy. B) It prevents a second, unwanted signal from being sent. C) It makes sure the neurons are in the correct space. D) It makes sure the charge is back at-70 mV. Show Answer Correct Answer: B) It prevents a second, unwanted signal from being sent. 7. This area warms, moisturizes, and filters air before going to the lungs. What is it? A) Nasal cavity. B) Nose. C) Mouth. D) Trachea. Show Answer Correct Answer: A) Nasal cavity. 8. Which disease is a group of inherited myopathic disorders, each of which presents differently? A) Muscular Dystrophy. B) IF. C) Parkinson's. D) Multiple Sclerosis. Show Answer Correct Answer: A) Muscular Dystrophy. 9. How many areas is the brain divided into? A) 5. B) 6. C) 4. D) 3. Show Answer Correct Answer: C) 4. 10. Which structure is not part of a neuron? A) Axons. B) Myelin sheath. C) Cell body. D) Dendrite. Show Answer Correct Answer: B) Myelin sheath. 11. The myelin sheath is ..... A) The sense organ or cells that receive stimuli from within and outside the body. B) The part of the nerve cell containing the nucleus. C) The covering of fatty material that speeds up the passage of nerve impulses. D) The chemical secreted into the gap between the neurons at a synapse. Show Answer Correct Answer: C) The covering of fatty material that speeds up the passage of nerve impulses. 12. Which of the following best describes a Fissure? A) A ridge in the cerebrum. B) A shallow groove in the cerebrum. C) A deep groove that can separate lobes of the brain. D) None of above. Show Answer Correct Answer: C) A deep groove that can separate lobes of the brain. 13. How many types of muscles are there? A) 2. B) 4. C) 3. D) 1. Show Answer Correct Answer: C) 3. 14. What are the functions of the cerebral spinal fluid? A) Carries motor impulses to the brain. B) Keeps you hydrated. C) Cushion and carries nutrients/ wastes. D) Helps with equilibrium. Show Answer Correct Answer: C) Cushion and carries nutrients/ wastes. 15. When light is bright, the pupil is ..... ? A) Big. B) White. C) Small. D) Large. Show Answer Correct Answer: C) Small. 16. What is the final part to sensing the world around us? A) The organ interprets signals. B) The brain senses inputs. C) The brain interprets signals. D) The organ senses input. Show Answer Correct Answer: C) The brain interprets signals. 17. Decreases or stops digestion to concentrate on delivering blood to skeletal muscles A) Sympathetic NS. B) Parasympathetic NS. Show Answer Correct Answer: A) Sympathetic NS. 18. Resting potential is measured at ..... mV. A) +35. B) +70. C) -55. D) -70. Show Answer Correct Answer: D) -70. 19. This is caused by cerebral damage during gestation or birth. A) Spina Bifida. B) Alzheimer's Disease. C) Multiple Sclerosis. D) Cerebral Palsy. Show Answer Correct Answer: D) Cerebral Palsy. 20. Which is NOT part of a neuron A) Nucleus. B) Coma. C) Dendrite. D) Axon. E) Myelin. Show Answer Correct Answer: B) Coma. ← 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