This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 145 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 145 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This part of the brain would be in charge of controlling coughing, blinking, breathing. A) Peripheral nerves. B) Brain stem. C) Cerebellum. D) Cerebrum. Show Answer Correct Answer: B) Brain stem. 2. Swellings at the end of the nerve fibre that hold neurotransmitters A) Nucleus. B) Myelin. C) Synaptic end bulbs. D) Axons. Show Answer Correct Answer: C) Synaptic end bulbs. 3. The area of the brain stem that plays a role in consciousness and the awake/sleep cycle is the: A) Thalamus. B) Reticular activating system (RAS). C) Pineal gland. D) Limbic system. E) Cerebellum. Show Answer Correct Answer: B) Reticular activating system (RAS). 4. Identify E, the pigmented (colored), muscular portion of the eye that controls the amount of light that enter s the eye A) Cornea. B) Iris. C) Lens. D) Sclera. Show Answer Correct Answer: B) Iris. 5. Neurons that transmit impulses Away from the CNS are called A) Sensory, ventral. B) Sensory, dorsal. C) Motor, efferent. D) Motor, dorsal. Show Answer Correct Answer: C) Motor, efferent. 6. These photoreceptor cells are used to detect dim light and coarse movement. A) Papillae. B) Cone. C) Rod. D) Disk. Show Answer Correct Answer: C) Rod. 7. Large fiber tract that connects the two cerebral hemispheres. Allows communication between the two sides of the cerebral cortex. A) Diencephalon. B) Hypothalamus. C) Corpus Callosum. D) Brain Stem. Show Answer Correct Answer: C) Corpus Callosum. 8. Nerves make up the ..... A) Central nervous system. B) Peripheral nervous system. Show Answer Correct Answer: B) Peripheral nervous system. 9. Hearing receptors within the organ of Corti are called: A) Rod cells. B) Cone cells. C) Hair cells. D) Corti cells. Show Answer Correct Answer: C) Hair cells. 10. Once a nerve impulse has traveled the length of the neuron, the neuron may immediately experience another action potential. A) True. B) False. Show Answer Correct Answer: B) False. 11. The brain is made up of about ..... water. A) 75%. B) There isn't water in the brain. C) 25%. D) 50%. Show Answer Correct Answer: A) 75%. 12. What is the function of the brainstem? A) Balance. B) Breathing. C) Thinking. D) None of above. Show Answer Correct Answer: B) Breathing. 13. The skin serves as a protective shield against heat, light, injury, and infection. A) True. B) False. Show Answer Correct Answer: A) True. 14. Made up of the brain, spinal cord, nerves and senses. A) Cerebellum. B) Temporal lobe. C) Nervous system. D) Environment. Show Answer Correct Answer: C) Nervous system. 15. The brain and spinal cord are the two major parts of the human body that make up the ..... A) Central nervous system. B) Brain. C) Peripheral nervous system. D) Nervous system. Show Answer Correct Answer: A) Central nervous system. 16. If the left side is paralyzed, what part of the brain is oxygen-deficient? A) Both sides. B) Left side. C) Right side. D) Only a small portion. Show Answer Correct Answer: C) Right side. 17. Located on the posterior side of the brain, this structure is critical for maintaining posture, balance, and coordinating timing of smooth movements. A) Ventricle. B) Cerebellum. C) Limbic System. D) Cerebrum. Show Answer Correct Answer: B) Cerebellum. 18. Overall function function of the nervous is to coordinate the body's system by receiving and sending information and A) Maintaining homeostasis. B) Keeping urination control. C) Disbanding blood clots. D) Remember that Miss Heinz went over this with you. Show Answer Correct Answer: A) Maintaining homeostasis. 19. What is the main function of the cerebellum? A) Consciousness. B) Sensory reception. C) Homeostasis. D) Muscle coordination. Show Answer Correct Answer: D) Muscle coordination. 20. What is the English Meaning of the Medical Term Dendr/o [ DENDR/O ]? A) Brain. B) Skull [ Cranium ]. C) Tension. D) Tree [ Tree Like Branch Nerve ]. E) Positive deviation. Show Answer Correct Answer: D) Tree [ Tree Like Branch Nerve ]. ← 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