This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 490 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 490 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Myelinated neurons experience A) Transmission of an impulse all the way down the axon. B) Saltatory transmission from node to node. C) Saltatory transmission from neurilemma to neurilemma. D) Neurotransmitter release down the axon to the end. Show Answer Correct Answer: B) Saltatory transmission from node to node. 2. Multiple Sclerosis (Rich's research topic) is caused when there is a problem with the nerve cell's ..... A) Dendrites. B) Cytoplasm. C) Myelin sheath. D) Axon terminals. Show Answer Correct Answer: C) Myelin sheath. 3. Which CN (cranial nerve) helps with chewing food? A) 1st. B) Facial. C) Abducting. D) 5th. Show Answer Correct Answer: D) 5th. 4. On the cerebral cortex, the ridges that result from an embryological increase in surface area and folding of the cortex: A) Hemispheres. B) Sulci. C) Gyri. D) Lobes. Show Answer Correct Answer: C) Gyri. 5. Photoreceptors are located in or on A) Nose and tongue. B) Skin and ears. C) Eyes (retina). D) Skin. E) Throughout the body. Show Answer Correct Answer: C) Eyes (retina). 6. Major pathways of the peripheral nervous system that lead to the skin and skeletal muscles A) Somatic nervous system. B) Peripheral nervous system. C) Central nervous system. D) Autonomic nervous system. Show Answer Correct Answer: A) Somatic nervous system. 7. Axon fibers are insulated by a ....., which increase the rate of neural impulse transmission. A) Myelin sheath. B) Dendrite. C) Neuroglia. D) Cell body. Show Answer Correct Answer: A) Myelin sheath. 8. Salivary glands are innervated by ..... A) Only in parasympathetic nerve. B) Only in sympathatic nerve system. C) Both of the autonomic division. D) None of above. Show Answer Correct Answer: C) Both of the autonomic division. 9. Axons are also called as ..... A) Nerve cells. B) Nerve fibres. Show Answer Correct Answer: B) Nerve fibres. 10. Which pathogen would be more severe if it causes meningitis? A) Bacteria. B) Virus. C) BOTH are the same. D) Fungi. Show Answer Correct Answer: A) Bacteria. 11. Which of the following consists of the brain and spinal cord A) Brain Stem. B) Central Nervous System. C) Somatic Nervous System. D) Peripheral Nervous System. Show Answer Correct Answer: B) Central Nervous System. 12. When your parasympathetic nervous system is very active, which of the following would happen? A) Heart rate decreases. B) Sweat increases. C) Immune system response decreases. D) Digestion decreases. Show Answer Correct Answer: A) Heart rate decreases. 13. Pons A) Area of the brain responsible for all voluntary activities (learning, language and decision-making ) of the body. B) Responsible for the balance and coordination of muscles. C) The center of vision, hearing, motor control, biorhythm, and temperature regulation. D) A bridge between different parts of brain. Show Answer Correct Answer: D) A bridge between different parts of brain. 14. The brain controls all the body's functions A) True. B) Talk. Show Answer Correct Answer: A) True. 15. What is the Peripheral Nervous System consist of? A) The brain. B) The spinal Cord. C) The nerves that connect the CNS to all parts of the body. D) All of the above. Show Answer Correct Answer: C) The nerves that connect the CNS to all parts of the body. 16. The brain has approximately how many neurons? A) 85 billion. B) 100 billion. C) 10 billion. D) 50 billion. Show Answer Correct Answer: A) 85 billion. 17. Extends from foramen magnum to second lumbar vertebrasurrounded by spinal columnsubmerged in cerebrospinal fluidacts as relay station and relax center A) Spinal Cord. B) Brainstem. C) Spinal Column. D) Cerebellum. Show Answer Correct Answer: A) Spinal Cord. 18. The activity of muscles and glands (controlled by the nervous system) is relevant to the functioning of ..... A) The muscular system. B) The endocrine system. C) All body systems. D) The cardiovascular system. E) The skeletal system. Show Answer Correct Answer: C) All body systems. 19. What is the main organ in the nervous system? A) The Spinal Cord. B) The Brian. C) The Brain. D) The Arms. Show Answer Correct Answer: C) The Brain. 20. A person with aphasia does not speak A) True. B) False. Show Answer Correct Answer: A) True. ← 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