This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 405 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 405 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A small structure in the central brain that secretes the hormone melatonin, which controls certain biological rhythms A) Pineal gland. B) Hypothalamus. C) Thalamus. D) Pons. Show Answer Correct Answer: A) Pineal gland. 2. Radial muscles are one set of muscles involved in the iris reflex. Name the other set. A) Circular muscles. B) Suspensory ligaments. C) Ciliary muscles. D) Biceps. Show Answer Correct Answer: A) Circular muscles. 3. Vestibulocochlear functions for sensory or motor A) Sensory. B) Motor. C) Both . D) None of above. Show Answer Correct Answer: C) Both . 4. How will you treat the blocked nose? A) By Inhaling steam. B) By blowing them. Show Answer Correct Answer: A) By Inhaling steam. 5. This is a tube-like organ that relays nerve impulses to and form the brain. A) Spinal column. B) Spinal. C) Spinal cord. D) Spiral staircase. Show Answer Correct Answer: C) Spinal cord. 6. This name means bridge. This structure is a round bulge on the underside of the brain stem. This structure controls the rate and depth of breathing. A) Spinal cord elongated. B) Diencephalon. C) Corpus Callosum. D) Pons. Show Answer Correct Answer: D) Pons. 7. Speech difficulty A) Hard to hear. B) Difficult to speak. C) Difficult to walk. D) None of above. Show Answer Correct Answer: B) Difficult to speak. 8. Combining form that means cerebrum A) Encephal/o. B) Ish/o. C) Neuro. D) Brain. Show Answer Correct Answer: D) Brain. 9. Cones can be classified into 3 types, except A) Blue cones. B) Green cones. C) Red cones. D) Black cones. Show Answer Correct Answer: D) Black cones. 10. The gaps between myelin sheaths: A) Neurotransmitter. B) Conclusion. C) Node of ranvier. D) Schwann cells. Show Answer Correct Answer: C) Node of ranvier. 11. This part of the nervous system is made up of the brain and spinal cord A) Central nervous system. B) Peripheral nervous system. Show Answer Correct Answer: A) Central nervous system. 12. What is the function of the pinna of the ear A) Direct sound to canal. B) Vibrate and send sound inward. C) Turn sound waves into electrical impulses. D) Convert electrical impulses into sound. Show Answer Correct Answer: A) Direct sound to canal. 13. What are the three structural classifications of neurons? A) Monopolar, Bipolar, and Trigeminal. B) Unilateral, Bilateral, and Multifocal. C) Unipolar, Bipolar, and Multipolar. D) Unitary, Bicuspid, and Multifarious. Show Answer Correct Answer: C) Unipolar, Bipolar, and Multipolar. 14. Any change inside or outside your body (environment) that causes a response is a ..... A) Receptor. B) Stimulus. C) Reflex. D) Conclusion. Show Answer Correct Answer: B) Stimulus. 15. What is the most common inhibitory neurotransmitter in the brain? A) GABA. B) Glycine. C) Acetylcholine. D) Serotonin. Show Answer Correct Answer: A) GABA. 16. How does the nervous system communicate with the rest of the body A) Having a conversation. B) Heat signals. C) Electrical signals. D) Electrical signals as well as chemical messengers. Show Answer Correct Answer: D) Electrical signals as well as chemical messengers. 17. Encephalitis means inflammation of the ..... A) Skull. B) Cerebrum. C) Brain. D) Nerves. Show Answer Correct Answer: C) Brain. 18. What are the organs/parts of the nervous system? A) Brain. B) Spinal Cord. C) Peripheral Nerves. D) All of these. Show Answer Correct Answer: D) All of these. 19. Command center A) Brain. B) Spinal cord. C) Nerves. D) Sensory organs. Show Answer Correct Answer: A) Brain. 20. This is an autoimmune disorder in which the myelin sheath is destroyed. This causes severe muscle weakness A) Myasthenia gravis. B) Epilepsy. C) Multiple sclerosis. D) Parkinson's disease. Show Answer Correct Answer: C) Multiple sclerosis. ← 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