This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 905 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 905 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the peripheral nervous system consists of? A) Brain. B) Lungs. C) Heart. D) Nerves. Show Answer Correct Answer: D) Nerves. 2. What part of the neuron receives the signal? A) Dendrite. B) Axon. C) Cell body. D) Conclusion. Show Answer Correct Answer: A) Dendrite. 3. From sound stimulation the following are excited: A) Receptors. B) Semicircular canals. C) Sound-sensitive cells in the cochlea. D) Auditory ossicles. E) Auditory nerves. Show Answer Correct Answer: C) Sound-sensitive cells in the cochlea. 4. Which of the following best represents the order in which a neuron receives and transmits information? A) Axon, cell body, dendrites, axon terminals. B) Dendrites, cell body, axon, axon terminals. C) Axon terminals, dendrites, cell body, axon. D) Cell body, dendrites, axon terminals, axon. Show Answer Correct Answer: B) Dendrites, cell body, axon, axon terminals. 5. Process of converting light energy to electrical energy A) Phototransduction. B) Cones. C) Rods. D) Photorecepters. E) Bipolar Neurons. Show Answer Correct Answer: A) Phototransduction. 6. Which type of neuron is responsible for transmitting signals from the brain to the muscles during exercise? A) Sensory neurons. B) Motor neurons. C) Interneurons. D) Associative neurons. Show Answer Correct Answer: B) Motor neurons. 7. The cerebrum is divided into how many hemispheres A) 33. B) 2. C) 3. D) None of above. Show Answer Correct Answer: B) 2. 8. ..... is the building unit of the nervous system. A) Neuron. B) Cerebrum. C) Cerebellum. D) Medulla oblongata. Show Answer Correct Answer: A) Neuron. 9. The ..... is filled with fluid and helps you keep your equilibrium A) Retina. B) Cochlea. C) Spinal cord. D) Iris. Show Answer Correct Answer: B) Cochlea. 10. Which structure in the brain, located in the lower part of the brainstem, is primarily responsible for coordinating involuntary functions such as breathing, swallowing, and heart rate? A) Cerebral cortex. B) Cerebellum. C) Medulla. D) Thalamus. Show Answer Correct Answer: C) Medulla. 11. Mental disorders are reflected in physical changes in the brain. A) True. B) False. Show Answer Correct Answer: A) True. 12. Which is the largest of the glial cells? A) Oligodendrocytes. B) Microglia. C) Schwann cells. D) Astrocytes. Show Answer Correct Answer: D) Astrocytes. 13. What part of the brain controls breathing and heartrate? A) Cerebrum. B) Cerebellum. C) Brain stem. D) None of above. Show Answer Correct Answer: C) Brain stem. 14. What is responsible for heartbeat, breathing, and reflexes? A) Thorax. B) Cerebellum. C) Medulla (brainstem). D) Cerebrum. Show Answer Correct Answer: C) Medulla (brainstem). 15. Which part of the Diencephalon is responsible for regulating metabolism, heart rate, blood pressure, thirst, hunger, energy level, and body temperature? A) Thalamus. B) Hypothalumus. C) Epithalamus. D) Midbrain. Show Answer Correct Answer: B) Hypothalumus. 16. The somatic nervous system consists of A) Single motor neuron bodies originating in the CNS and extending to muscles. B) Chain of two motor neurons, one originating in the CNS and one extending to the effector organ. Show Answer Correct Answer: A) Single motor neuron bodies originating in the CNS and extending to muscles. 17. A dendrite conducts nerve impulses..... A) Away from the cell body. B) Toward the cell body. C) Away from the CNS. D) Toward the CNS. Show Answer Correct Answer: B) Toward the cell body. 18. The eye has ..... parts. A) 2. B) 8. C) 6. D) 5. Show Answer Correct Answer: C) 6. 19. The concentration of ..... ions is much greater outside the cell as compared to inside the cell, whereas the concentration of ..... ions is much greater inside the cell as compared to outside the cell. A) Sodium; chloride. B) Sodium; potassium. C) Potassium; sodium. D) Potassium; chloride. Show Answer Correct Answer: B) Sodium; potassium. 20. Which of the following is not a stimulus A) Light. B) Scent of a dead squid. C) Blinking your eyes. D) Taste of a lemon. Show Answer Correct Answer: C) Blinking your eyes. ← 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