This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 167 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 167 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the name given to the outer layers of the Schwann cell? A) Acholemma. B) Myelin sheath. C) Neurilemma. D) Endoneurium. Show Answer Correct Answer: C) Neurilemma. 2. Phototropism ( is the growth of an organism in response to a light stimulus.) is a plant's response to- A) Light-an external stimulus. B) Light-an internal stimulus. C) Gravity-an external stimulus. D) Gravity-an internal stimulus. Show Answer Correct Answer: A) Light-an external stimulus. 3. Myelianation A) Begins in childhood. B) Begins before birth. C) Continues throughout adulthood. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 4. The Human Nervous System can be compared to ..... A) Printer. B) Television. C) Motor engine. D) Computer. Show Answer Correct Answer: D) Computer. 5. It controls the amount of light that enters the pupil. A) Iris. B) Retina. C) Eyebrow. D) None of above. Show Answer Correct Answer: A) Iris. 6. The outer white part of the eye that protects the inner structures A) Cornea. B) Iris. C) Pupil. D) Sclera. Show Answer Correct Answer: D) Sclera. 7. The cranial nerves are identified both by name and ..... A) Numbers. B) Roman numerals. C) Abbreviations. D) Acronyms. Show Answer Correct Answer: B) Roman numerals. 8. What is the function of endorphins in the nervous system? A) Pain reduction and pleasure. B) Regulation of mood and perception. C) Inhibition of excitatory neurotransmitters. D) None of above. Show Answer Correct Answer: A) Pain reduction and pleasure. 9. What is the primary role of the myelin sheath? A) Speeding up the transmission of electrical impulses along the axon. B) Receiving neurotransmitters from other neurons. C) Generating electrical impulses. D) Connecting neurons to blood vessels. Show Answer Correct Answer: A) Speeding up the transmission of electrical impulses along the axon. 10. Damage to which lobe can result in difficulty remembering names & faces, short term memory loss, aggressive behaviour, persistent talking, and seizure disorders? A) Parietal lobe. B) Frontal lobe. C) Temporal lobe. D) Occipital lobe. Show Answer Correct Answer: C) Temporal lobe. 11. The three layers of connective tissue that are wrapped around the brain and spinal cord A) Meninges. B) Cerebrum. C) Cerebellum. D) Thalamus. Show Answer Correct Answer: A) Meninges. 12. True or False:The medulla oblongata controls heartt, vomiting, swallowing, and coughing. A) True. B) False. Show Answer Correct Answer: A) True. 13. True or False? Sensory neurones only detect physical stimuli A) True. B) False. Show Answer Correct Answer: B) False. 14. What is the part of the neuron that contains the nucleus? A) Axon. B) Dendrites. C) Cell body. D) Myelin sheath. Show Answer Correct Answer: C) Cell body. 15. Interneuron A) Carries messages between neurons. B) Picks up and carries all messages. C) Input from the senses. D) Used to move muscles. Show Answer Correct Answer: A) Carries messages between neurons. 16. During the resting potential, what is the primary ion inside the cell? A) Na+. B) K+. C) Cl-. D) Ca+. Show Answer Correct Answer: B) K+. 17. Which of the following statements correctly describes a neuron when it is polarized (at rest) A) Sodium and potassium ion concentration is higher on the outside compared to inside the axon. B) Sodium and potassium ion concentration is lower on the outside compared to inside the axon. C) Sodium and potassium ions are in equal concentrations outside and inside the axon. D) None of above. Show Answer Correct Answer: A) Sodium and potassium ion concentration is higher on the outside compared to inside the axon. 18. Carry impulses from from CNS to effectors A) Afferent/sensory neurons. B) Efferent/motor neurons. C) Dendrites. D) Axon terminals. Show Answer Correct Answer: B) Efferent/motor neurons. 19. Carries impulses away from the cell body A) Dendrites. B) Axon. C) Axon terminal. D) Conclusion. Show Answer Correct Answer: B) Axon. 20. This part of the nervous system regulates involuntary actions such as heart function, blood pressure, breathing, digestion. A) Autonomic Nervous System. B) Sensory Nervous System. C) Motor Nervous System. D) Peripheral Nervous System. Show Answer Correct Answer: A) Autonomic Nervous System. ← 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