This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 921 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 921 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the role of calcium ions in a synapse? A) To regulate the flow of action potentials. B) To open sodium and potassium channels. C) To establish the resting voltage of a neuron. D) To trigger the release of neurotransmitters. Show Answer Correct Answer: D) To trigger the release of neurotransmitters. 2. Small epithelial like cells that form membranes in the brain and spinal cord are called A) Epidymal cells. B) Neurons. C) Osteocytes. D) Oligodendrocytes. Show Answer Correct Answer: A) Epidymal cells. 3. Which one here reduces the amount of glucose in the blood? (a) A) A Insulin. B) Glucagon. C) Glycogen. D) ADH. Show Answer Correct Answer: A) A Insulin. 4. For which condition is early diagnosis and treatment essential, in order to prevent permanent neurological damage? A) Bell's palsy. B) Epilepsy. C) Bacterial meningitis. D) Multiple sclerosis. Show Answer Correct Answer: C) Bacterial meningitis. 5. What are the parts of the brain stem? A) Midbrain, varolian bridge, medulla oblongata. B) Heart, blood. C) Senses. D) Pleasures. Show Answer Correct Answer: A) Midbrain, varolian bridge, medulla oblongata. 6. Which is the main component of the central nervous system (Central Nervous System)? A) Brain and Spinal Cord. B) Spinal nerve and Spinal Cord. C) Spinal nerve and Cranial nerve. D) Brain and Cranial nerve. Show Answer Correct Answer: A) Brain and Spinal Cord. 7. The autonomic nervous system carries information A) Towards the central nervous system. B) Away from the central nervous system. C) Both to and from the central nervous system. D) None of above. Show Answer Correct Answer: B) Away from the central nervous system. 8. In which direction does a signal travel inside a neuron? A) From dendrite to axon. B) From axon to axon. C) From axon to dendrite. D) From cell body to dendrite. Show Answer Correct Answer: A) From dendrite to axon. 9. A voluntary action is very ..... as compared to a reflex action. A) Slow. B) Fast. C) Medium paced. D) Too fast. Show Answer Correct Answer: A) Slow. 10. Where is the effector? A) Muscle. B) Brain. C) Spinal cord. D) None of above. Show Answer Correct Answer: A) Muscle. 11. Your brain is an organ that is part of the ..... A) Digestive System. B) Central Nervous System. C) Brain System. D) None of above. Show Answer Correct Answer: B) Central Nervous System. 12. Identify the correct order of a reflex arc A) Sensory neuron-interneuron-motor neuron. B) Interneuron-motor neuron-sensory neuron. C) Motor neuron-interneuron-sensory neuron. D) None of above. Show Answer Correct Answer: A) Sensory neuron-interneuron-motor neuron. 13. Sensory receptors found in the skin, which are specialized to detect temperature, pressure changes, and pain A) Neurons. B) Nervous systems. C) Cutaneous sense organs. D) Autonomic nervous system. Show Answer Correct Answer: C) Cutaneous sense organs. 14. Which type of nerve carries orders from the brain and spinal cord to the rest of the body? A) Mixed nerve. B) Motor nerve. C) Sensory nerve. D) None of above. Show Answer Correct Answer: B) Motor nerve. 15. A student would primarily use his/her ..... lobe to analyze and interpret events that led to World War II. A) Frontal. B) Parietal. C) Temporal. D) Occipital. Show Answer Correct Answer: A) Frontal. 16. In the middle ear, sound vibrations are transmitted directly from the eardrum to which one of the following structures? A) Malleus. B) Oval window. C) Pinna. D) Organ of Corti. Show Answer Correct Answer: A) Malleus. 17. The decussation of pyramids is where the motor fibers from the ..... side of the brain cross over to the ..... side of the body. A) Right;right. B) Left;left. C) Right;left or left;right. D) Top;bottom. Show Answer Correct Answer: C) Right;left or left;right. 18. Which of the following are located exclusively in the brain and spinal cord? A) Sensory neurons. B) Motor neurons. C) Myelin sheath. D) Interneurons. E) Axons. Show Answer Correct Answer: D) Interneurons. 19. Conciousness, reasoning, emotion, and language is controlled by the A) Cerebral cortex. B) Medulla. C) Midbrain. D) Cerebrum. Show Answer Correct Answer: A) Cerebral cortex. 20. All of the following are major divisions of the brain EXCEPT: A) Pons. B) Diencephalon. C) Cerebrum. D) Cerebellum. Show Answer Correct Answer: A) Pons. ← 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