This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 399 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 399 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Protect from harmful substances in blood A) Astrocytes. B) Microglial. C) Oligodendrocytes. D) Ependymal. Show Answer Correct Answer: A) Astrocytes. 2. Which sense organ contains temperature and pressure receptors, but no chemical receptors. A) Eye. B) Ear. C) Tongue. D) Skin. Show Answer Correct Answer: D) Skin. 3. What does the fluid inside your ears doing? A) Vibrates the skin in your ear. B) Sends sound waves to the brain. C) Vibrates the cilia (tiny hairs). D) None of above. Show Answer Correct Answer: C) Vibrates the cilia (tiny hairs). 4. The central nervous system is the ..... part of the human nervous system A) Smallest. B) Largest. Show Answer Correct Answer: B) Largest. 5. What part of the neuron releases neurotransmitters from vesicles? A) Axon Terminals. B) Dendrites. C) Axon Hillock. D) Schwann Cells. E) Myelin Sheath. Show Answer Correct Answer: A) Axon Terminals. 6. How many bones are present in the skull of a adult human being A) 22. B) 32. C) 33. D) 23. Show Answer Correct Answer: C) 33. 7. How many types of nerves are there in our body A) Four. B) Two. C) Six. D) Three. Show Answer Correct Answer: D) Three. 8. How many divisions of the nervous system? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 9. Which is little brain? A) Cerebellum. B) Cerebrum. C) Cerebrospinal. D) None of above. Show Answer Correct Answer: A) Cerebellum. 10. Do not clean your ears with ..... objects. A) Sharp. B) Soft. C) Hard. D) Beautiful. Show Answer Correct Answer: A) Sharp. 11. Without coordination A) Hypertaxia. B) Disorder. C) Hypoxia. D) Hypoxia. Show Answer Correct Answer: B) Disorder. 12. Chemicals that are used for communication between a neuron at the synapse and another cell (muscle) A) ATP. B) Glucose. C) Neurotransmitters. D) Hormones. Show Answer Correct Answer: C) Neurotransmitters. 13. Region of brain which processes sensory information from the body A) Somatosensory. B) Primary motor. C) Broca's area. D) Wernicke's area. E) Medulla oblongata. Show Answer Correct Answer: A) Somatosensory. 14. During the rising (depolarizing) phase of an action potential, ions of the element ..... enter the neuron through channels. A) Sodium. B) Potassium. C) Calcium. D) Chloride. Show Answer Correct Answer: A) Sodium. 15. Which of the following does the nervous system not sense? A) Sight. B) Touch. C) Dendrites. D) Olfaction. Show Answer Correct Answer: C) Dendrites. 16. The properties of muscle are as follows:Stimulate a muscle, and it will respond by shortening A) Contractility. B) Extensibility. C) Elasticity. D) Irritability. Show Answer Correct Answer: A) Contractility. 17. Which branch of the NS specifically deals with relaying info to & from internal organs? A) Central NS. B) Somatic NS. C) Autonomic NS. D) All the other answers are correct. Show Answer Correct Answer: C) Autonomic NS. 18. Atrophy of neurons, lack neurotransmitters A) IF. B) Bacterial meningites. C) Alzheimer's. D) Cerebral palsy. Show Answer Correct Answer: C) Alzheimer's. 19. What is the main idea of this passage? A) The central nervous system is responsible for all bodily activities. B) The peripheral nervous system allows the body to recognize and respond to changes in its environment. C) The cerebral cortex and brainstem are critical components of the nervous system. D) Understanding the structure and function of the nervous system is crucial for comprehending how our bodies work and respond to the world around us. Show Answer Correct Answer: D) Understanding the structure and function of the nervous system is crucial for comprehending how our bodies work and respond to the world around us. 20. We are able to control a reflex action. A) True. B) False. Show Answer Correct Answer: B) False. ← 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