This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 287 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 287 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Large muscle below the lungs that contracts and relaxes during breathing A) Heart. B) Diaphragm. C) Triceps. D) Stomach. Show Answer Correct Answer: B) Diaphragm. 2. Type of neuron that carry messages FROM the body to the CNS. A) Sensory neuron. B) Motor neuron. C) Interneuron. D) None of above. Show Answer Correct Answer: A) Sensory neuron. 3. Tough A) Dura mater. B) Arachnoid. C) Pia mater. D) None of above. Show Answer Correct Answer: A) Dura mater. 4. Which type of neuron sends information about hte environment to the brain? A) Motor neuron. B) Sensory neuron. C) Interneuron. D) Axoneuron. Show Answer Correct Answer: B) Sensory neuron. 5. Also called the little brain. large cauliflower-like structure that projects dorsally from under the occipital lobe of the cerebrum. provides the precise timing for skeletal muscle activity and controls our balance equilibrium. A) Parietal lobe. B) Cerebrum. C) Cerebellum. D) Astrocytes. Show Answer Correct Answer: C) Cerebellum. 6. What is a blind spot? A) A spot with no photoreceptor cells. B) A spot with excessive photoreceptor cells. C) A spot with microscopic photoreceptor cells. D) A spot with enlarged photoreceptor cells. Show Answer Correct Answer: A) A spot with no photoreceptor cells. 7. If we did not have cones in our eyes, we would not see A) Colors. B) Shapes. C) Sizes. D) Distant objects. Show Answer Correct Answer: A) Colors. 8. Which travels farther? A) Action potential. B) Graded potential. Show Answer Correct Answer: A) Action potential. 9. What is the thick column of nervous tissue that links the brain to the peripheral nervous system? A) Brain. B) Spinal Cord. C) Vertebral Column. D) Nerves. Show Answer Correct Answer: B) Spinal Cord. 10. Which is the largest portion of the brain? A) Cerebellum. B) Cerebrum. C) Spinal cord elongated. D) Midbrain. Show Answer Correct Answer: B) Cerebrum. 11. Which of these is NOT under the control of homeostasis? A) Blood-glucose concentration. B) Nail growth. C) Body temperature. D) Water levels. Show Answer Correct Answer: B) Nail growth. 12. What is the function of the motor output? A) Maintains posture and balance. B) Cushions the brain from injury. C) Activates effector organs to cause a response. D) Receives stimuli via millions of sensory receptors throughout the body. Show Answer Correct Answer: C) Activates effector organs to cause a response. 13. Which of the following statements about the sodium-potassium pump is false? A) It is a membrane protein. B) It actively transports potassium into the cell. C) It keeps the concentration of sodium low inside the cell. D) It moves sodium across the membrane and into the cell. Show Answer Correct Answer: D) It moves sodium across the membrane and into the cell. 14. Which of the following is involved in maintaining the resting membrane potential of neurons? A) Na+/K+ ATPase pump moves 3Na+ in for every 2K+ out. B) Na+/K+ ATPase pump moves 3K+ in for every 2Na+ out. C) Na+/K+ ATPase pump moves 3Na+ out for every 2K+ in. D) Na+/K+ ATPase pump moves 3K+ out for every 2Na+ in. Show Answer Correct Answer: C) Na+/K+ ATPase pump moves 3Na+ out for every 2K+ in. 15. It an abnormality in assessing CN I, wherein there is inability to identify the correct scent. A) Anosmia. B) Disorder. C) Aphasia. D) Amnesia. Show Answer Correct Answer: A) Anosmia. 16. Carries the nerve impulse from the central nervous system to an effector. A) Motor neurone. B) Reflex. C) Relay neurone. D) Stimulus. Show Answer Correct Answer: A) Motor neurone. 17. The part of a neuron that receives and relays nerve impulses toward the cell body A) Spinal cord. B) Dendrite. C) Muscle. D) Axon. Show Answer Correct Answer: B) Dendrite. 18. To find the comb she dropped on the floor while working on her client Tyna lowered her head and turned her head away. What muscle was Tyna most likely using? A) Aponeurosis. B) Sternocleiddomastoideus. Show Answer Correct Answer: B) Sternocleiddomastoideus. 19. Type of neuroglia that form the myelin sheath. A) Oligodendrocytes. B) Microglia. C) Ependymal. D) Astrocytes. Show Answer Correct Answer: A) Oligodendrocytes. 20. What is Sensation? A) Sensation refers to the process of sensing our environment through touch, taste, sight, sound, and smell. B) Refers to how the mind process information. C) Refers to how we store information. D) None of above. Show Answer Correct Answer: A) Sensation refers to the process of sensing our environment through touch, taste, sight, sound, and smell. ← 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