This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 152 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 152 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What term describes the ability of the eye lens to change shape, becoming more convex to focus on near objects and flattening to focus on distant objects? A) Myopia. B) Refraction. C) Astigmatism. D) Accommodation. Show Answer Correct Answer: D) Accommodation. 2. What is the tympanic membrane A) Ossicles. B) Membrane in the cochlea. C) Ear drum. D) Auricle. Show Answer Correct Answer: C) Ear drum. 3. This carries a signal/message away from the cell body: A) Dendrite. B) Conclusion. C) Axon. D) Terminal. Show Answer Correct Answer: C) Axon. 4. Which part of the peripheral nervous system is responsible for involuntary actions? A) Central nervous system. B) Somatic nervous system. C) Autonomic nervous system. D) Sympathetic nervous system. Show Answer Correct Answer: C) Autonomic nervous system. 5. The sympathetic and parasympathetic nervous systems are subdivisions of the: A) Autonomic Nervous System. B) Voluntary Nervous System. C) Central Nervous System. D) Peripheral Nervous System. Show Answer Correct Answer: A) Autonomic Nervous System. 6. Which of the following are paired correctly? A) CNS-brain and spinal cord; PNS-cranial and spinal nerves. B) PNS-brain and spinal cord; CNS-cranial and spinal nerves. C) Autonomic brain and spinal cord; Somatic cranial and spinal nerves. D) Autonomic-cranial and spinal nerves; Somatic-brain and spinal cord. Show Answer Correct Answer: A) CNS-brain and spinal cord; PNS-cranial and spinal nerves. 7. Which major organ does not receive water as a priority during dehydration? A) Kidney. B) Heart. C) Brain. D) Lungs. Show Answer Correct Answer: C) Brain. 8. The PNS nerves are part of either the somatic system or the ..... A) Motor system. B) Sympathetic system. C) Parasympathetic system. D) Autonomic system. Show Answer Correct Answer: D) Autonomic system. 9. Why is the cerebral cortex folded over itself into bumps and grooves? A) To help prevent concussions. B) To make it look really gross. C) To make room for the medulla. D) It increases the surface area. E) They permit neurons to pass electrical signals faster. Show Answer Correct Answer: D) It increases the surface area. 10. As sodium and potassium ions are so small, they can easily pass through the cell membrane to create the action potential. A) True. B) False. Show Answer Correct Answer: B) False. 11. Where are myelinated neurons usually found? A) Peripheral Nervous System (PNS). B) Central Nervous System (CNS). C) Both PNS and CNS. D) None of above. Show Answer Correct Answer: A) Peripheral Nervous System (PNS). 12. Anything that occurs as a result of the organism thinking about it. A) Voluntary Processes. B) Involuntary Processes. Show Answer Correct Answer: A) Voluntary Processes. 13. The biceps brachii muscle is innervated by the A) Musculocutaneous nerve. B) Radial nerve. C) Ulnar nerve. D) Median nerve. Show Answer Correct Answer: A) Musculocutaneous nerve. 14. The movement of ions inside and outside the axon is done by A) By Na+ & K+ pump of 3 Na+ inside and 2K+ outside. B) By Na+ & K+ pump of 2Na+ outside and 3K+ inside. C) By Na+ & K+ pump of 3 Na+ outside and 2K+ inside. D) By Na+ & K+ pump of 2Na+ inside and 3K+ outside. Show Answer Correct Answer: C) By Na+ & K+ pump of 3 Na+ outside and 2K+ inside. 15. The nerve impulse flowing in one fibre and they do not share it to neighbour neuron because of ..... A) Medullary or myelin sheath. B) Epidermal. C) Glial cell. D) All. Show Answer Correct Answer: A) Medullary or myelin sheath. 16. The most important organ of the Nervous System. A) The Neuron. B) The Brain. C) The Spinal Cord. D) None of above. Show Answer Correct Answer: B) The Brain. 17. Which of the following statement is correct about Cerebellum? A) It regulates the muscular movement for locomotion. B) It is a part of brain. C) Both A and B. D) Neither A nor B. Show Answer Correct Answer: C) Both A and B. 18. If a person's spinal cord is damaged, which of the following would be a likely effect? A) The person may become blind. B) The person may become deaf. C) The person may not be able to move his/her body above the injury. D) The person may not be able to move his/her body below the injury. Show Answer Correct Answer: D) The person may not be able to move his/her body below the injury. 19. The human body is able to respond to stimuli from the environment because of the nervous system A) True. B) False. Show Answer Correct Answer: A) True. 20. What is the primary function of the peripheral nervous system? A) Control voluntary movements. B) Control involuntary movements. C) Connect the central nervous system to the rest of the body. D) Control the body's response to stress. Show Answer Correct Answer: C) Connect the central nervous system to the rest of the body. ← 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