This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 231 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 231 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is located at the back of the eyeball? A) Cornea. B) Iris. C) Retina. D) Pupil. Show Answer Correct Answer: C) Retina. 2. Part of the motor division responsible for conscious or voluntary control of skeletal muscles and reflexes A) Myelin. B) Somatic division. C) Neuroglia. D) None of above. Show Answer Correct Answer: B) Somatic division. 3. The ..... is the web-like middle layer of the meninges. A) Dura matter. B) Arachnoid mater. C) Pia mater. D) White matter. Show Answer Correct Answer: B) Arachnoid mater. 4. In a resting cell membrane A) There are more potassium ions outside the cell than inside. B) There are more sodium ions inside the cell than outside. C) The cell membrane is more permeable to sodium ions than potassium ions. D) The sodium-potassium exchange pump moves sodium out of the cell. E) All of the above. Show Answer Correct Answer: D) The sodium-potassium exchange pump moves sodium out of the cell. 5. ..... is the ability to focus 2 eyes on the same object and is what gives us three dimensional vision. A) Presbyopia. B) Glaucoma. C) Nearsightedness. D) Convergence. Show Answer Correct Answer: D) Convergence. 6. ..... help destroy bacterial cells and cellular debris. A) Oligodendrocytes. B) Astrocytes. C) Microglia. D) Schwann Cells. Show Answer Correct Answer: C) Microglia. 7. Which neurons carry messages to the central nervous system A) Motor. B) Inter. C) Sensory. D) Dendrites. Show Answer Correct Answer: C) Sensory. 8. What type of neuroglial cell attaches neurons to capillaries to form the blood brain barrier? A) Astrocyte. B) Oligodendrocytes. C) Microglial. D) Ependymal. Show Answer Correct Answer: A) Astrocyte. 9. The femoral nerve is part of the ..... plexus A) Cervical. B) Brachial. C) Lumbar. D) Sacral. Show Answer Correct Answer: C) Lumbar. 10. An action potential is measured at ..... mV. A) +35. B) -70. C) +70. D) -55. Show Answer Correct Answer: D) -55. 11. The cerebrum controls conscious thought, voluntary movement and receives sensory messages from body parts. A) True. B) False. Show Answer Correct Answer: A) True. 12. Photoreceptors are in the eyes and they receive messages from the eyes and pass them along the optic nerve. what branch of the PNS would they assist? A) Somatic. B) Autonomic. Show Answer Correct Answer: A) Somatic. 13. What are the bumps on the surface of the tongue called? A) Taste cells. B) Taste papillae. C) Lingual papillae. D) Basal cells. Show Answer Correct Answer: C) Lingual papillae. 14. Multiple sclerosis destroys the myelin sheath. A) True. B) False. Show Answer Correct Answer: A) True. 15. What are the nerve cells that carry impulses from the CNS to the muscles or organs to carry out an action? A) Motor neurons. B) Sensory neurons. C) Association neurons. D) None of above. Show Answer Correct Answer: A) Motor neurons. 16. The skin contains many different types of nerve endings that help us feel A) Texture of objects; rough or smooth. B) Pain and Pressure. C) Temperature; hot or cold. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. The skin is made of three layers: A) Fatty layer, dermis, muscle. B) Epidermis, dermis, fatty layer. C) Muscle, connective tissue, dermis. D) None of above. Show Answer Correct Answer: B) Epidermis, dermis, fatty layer. 18. Another name for afferent nerves A) Motor. B) Mixed. C) Conclusion. D) Sensory. Show Answer Correct Answer: D) Sensory. 19. A girl's pupils got smaller when a flashlight was shined in her eyes. The response in this situation was A) Voluntary. B) Involuntary. Show Answer Correct Answer: B) Involuntary. 20. Which part of the brain is responsible for language and thinking? A) Cerebrum. B) Brain stem. C) Cerebellum. D) None of above. Show Answer Correct Answer: A) Cerebrum. ← PreviousNext →Related 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 9Nervous System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books