This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 422 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 422 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the brain do? A) It controls all bodily functions. B) It controls some bodily functions. C) It controls no bodily functions. D) It controls all bodily functions but only after snack time. Show Answer Correct Answer: A) It controls all bodily functions. 2. Involuntary response by the nervous system to speed up delivery of oxygen to muscles A) Increased breathing and heart rate (faster). B) Decreased breathing and heart rate (slower). Show Answer Correct Answer: A) Increased breathing and heart rate (faster). 3. The bony structure that protects the brain. A) Back bone. B) Teeth. C) Skull. D) Helmet. Show Answer Correct Answer: C) Skull. 4. The left side of your brain is responsible for thinking critically A) True. B) False. Show Answer Correct Answer: A) True. 5. Which of the following shows the correct path of travel? A) Sensory neuron to interneuron to motor neuron. B) Sensory neuron to motor neuron to interneuron. C) Interneuron to motor neuron to sensory neuron. D) It's a two way street. Show Answer Correct Answer: A) Sensory neuron to interneuron to motor neuron. 6. What is the protective tissue of the spinal cord and brain called? A) Cerebrum fluid. B) Meninges. C) Axons. D) None of above. Show Answer Correct Answer: B) Meninges. 7. Which part of the brain is primarily involved in processing auditory information? A) Cerebellum. B) Temporal lobe. C) Occipital lobe. D) Frontal lobe. Show Answer Correct Answer: B) Temporal lobe. 8. The evolutionary role of pain is to ..... A) Increase sensitivity to environmental stimuli. B) Enhance physical endurance. C) Trigger an immune response to infections. D) Alert an organism to potential or actual damage to its body. Show Answer Correct Answer: D) Alert an organism to potential or actual damage to its body. 9. The part of the neuron that normally recieves stimuli is called a(n): A) Axon. B) Dendrite. C) Neurolemma. D) Schwann cell. E) Satellite cell. Show Answer Correct Answer: B) Dendrite. 10. What are the two important functions of the brain stem? A) Seeing and hearing. B) Breathing and heart rate. C) Kicking balls and feeding fish. D) None of above. Show Answer Correct Answer: B) Breathing and heart rate. 11. The thick clear jelly that helps give the eyeball its shape A) Aqueous humor. B) Vitreous humor. Show Answer Correct Answer: B) Vitreous humor. 12. This sense contains small groups of sensory cells called taste buds that react to chemicals in foods. Taste buds react to sweet, sour, salty, bitter, and savory. The taste buds send messages to the areas in the cortex responsible for processing taste. A) Sense of Sight. B) Sense of Hearing. C) Sense of Taste. D) Sense of Smell. E) Sense of Touch. Show Answer Correct Answer: C) Sense of Taste. 13. Which two organs constitute the central nervous system (CNS) in the human body? A) Heart and lungs. B) Brain and liver. C) Brain and stomach. D) Brain and spinal cord. Show Answer Correct Answer: D) Brain and spinal cord. 14. *A nerve carrying impulses from the brain and stimulates muscles to contract. A) Motor neuron. B) Sensory neuron. Show Answer Correct Answer: A) Motor neuron. 15. Callous body A) A broad band of nerve fibers joining the two hemispheres of the brain. B) A slowly progressive decline in mental abilities, including memory, thinking, and judgment, that is often accompanied by personality changes. C) Malignant tumor of astrocytes. D) Part of the brainstem that controls vital life-sustaining functions such as heartbeat, breathing, blood pressure, and digestion. Show Answer Correct Answer: A) A broad band of nerve fibers joining the two hemispheres of the brain. 16. What are the functions of the frontal lobe? A) Behavior, attention, working memory, memories. B) Movements, memories, reflexes, and senses. C) Taste, movements, and organ function. D) Interests, sight, and memories. Show Answer Correct Answer: A) Behavior, attention, working memory, memories. 17. After being bitten by a black widow spider, jean starts to convulse. this is a result of A) A resurgence of neurotransmitters overstimulating her brain stem. B) A lack of GABA being released into her blood stream. C) A surge of chemicals blocking the transmission of fluids to the spinal cord. D) A flood of acetylcholine releasing into the body's muscle system. Show Answer Correct Answer: D) A flood of acetylcholine releasing into the body's muscle system. 18. The right side of the cerebrum controls the right side of the body A) True. B) False. Show Answer Correct Answer: B) False. 19. The ..... is the inner layer of the eye responsible for producing visual signals that will be sent to the brain. A) Cornea. B) Retina. C) Rods. D) Cones. Show Answer Correct Answer: B) Retina. 20. The rapid inward diffusion of Na+ followed by the outward diffusion of K+ produces a rapid change in the membrane potential called A) An action potential. B) An excitatory postsynaptic potential. C) A saltatory conduction. D) A monosynaptic reflex. E) A polarization. Show Answer Correct Answer: A) An action potential. ← 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