This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 551 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 551 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following components accounts for the bulk of muscle fiber volume (up to 80%)? A) 1.Glycosomes. B) 1.Mitochondria. C) 1. Myofibrils. D) 1.Sarcoplasm. Show Answer Correct Answer: C) 1. Myofibrils. 2. Oligodendrocytes form a supporting network around the neurons (myelin sheath) within the CNS A) True. B) False. Show Answer Correct Answer: A) True. 3. This sense is the result of sound waves entering your ears and making your eardrums vibrate. These vibrations then move along the tiny bones of the middle ear and turn into nerve signals. The cortex then processes these signals, telling you what you're hearing. A) Sense of Sight. B) Sense of Hearing. C) Sense of Taste. D) Sense of Smell. E) Sense of Touch. Show Answer Correct Answer: B) Sense of Hearing. 4. The parasympathetic counteracts the sympathetic nervous system. A) True. B) False. Show Answer Correct Answer: A) True. 5. What is #1 in the diagram A) Repolarization. B) Depolarization. C) Resting potential. D) Threshold. Show Answer Correct Answer: C) Resting potential. 6. Support neurons and phagocytize bacterial cells and other debris. A) Microglia. B) Astrocytes. C) Ependymal cells. D) Oligodendrocytes. Show Answer Correct Answer: A) Microglia. 7. The peripheral nervous system consist of A) 12 pairs of cranial nerves and 31 pairs of spina nerves. B) 12 pairs of cranial nerves and 30 pairs of spina nerves. C) 11 pairs of cranial nerves and 31 pairs of spina nerves. D) 11 pairs of cranial nerves and 30 pairs of spina nerves. Show Answer Correct Answer: A) 12 pairs of cranial nerves and 31 pairs of spina nerves. 8. Which sense stretch in tendons A) Muscle spindle. B) Google tendon organ. C) Proprioceptors. D) Meissner's corpuscles. Show Answer Correct Answer: B) Google tendon organ. 9. Body A) Hard. B) Summoned him/her. C) Thalam/o. D) Esthes/o, esthesi/o. Show Answer Correct Answer: B) Summoned him/her. 10. Impulses are conducted along peripheral neurons to effectors, muscles or glands that perform actions in response; this is the ..... function A) Sensory. B) Integrative. C) Motor. D) None of above. Show Answer Correct Answer: C) Motor. 11. A brain injury can cause which of the following? A) No clotting when you cut yourself. B) Memory loss, brain damage, and loss of physical abilities. C) Not able to fight off infection. D) All of the above. Show Answer Correct Answer: B) Memory loss, brain damage, and loss of physical abilities. 12. What type of nerve carries information from sensory receptors to the central nervous system (from outside to inside)? A) Afferent nerve. B) Efferent nerve. C) Both. D) None of above. Show Answer Correct Answer: A) Afferent nerve. 13. Medical term for muscle contraction A) Thalam/o. B) The root. C) -taxi. D) Ton/o. Show Answer Correct Answer: C) -taxi. 14. ..... $\rightarrow$..... $\rightarrow$..... A) Stimulus, Interpret, Response. B) Response, Stimulus, Interpret. C) Stimulus, response, interpret. D) None of above. Show Answer Correct Answer: A) Stimulus, Interpret, Response. 15. The main function of an axon is A) Increase the cell's surface area. B) To regulate nutrient intact for the cell body. C) To receive signals from neighbouring cells. D) Transmit action potential away from the cell body to an adjacent cell. Show Answer Correct Answer: D) Transmit action potential away from the cell body to an adjacent cell. 16. Follow my finger A) Follow your eyes. B) Closed eyes. C) Follow my finger. D) None of above. Show Answer Correct Answer: C) Follow my finger. 17. The part of the brain that controls breathing and heart rate is the? A) Cerebellum. B) Cerebrum. C) Brain Stem. D) Cerebral cortex. Show Answer Correct Answer: C) Brain Stem. 18. What is the function of motor output in the body's control system? A) It receives stimuli from the environment. B) It processes stimuli and makes decisions. C) It oversees communication among organs. D) It activates effector organs to cause a response. Show Answer Correct Answer: D) It activates effector organs to cause a response. 19. A cranial nerve with the highest number of branches A) Facial nerve. B) Trigeminal nerve. C) Vagus nerve. D) Both (b) and (c). Show Answer Correct Answer: B) Trigeminal nerve. 20. Which animals do not have a brain? A) Jellyfish. B) Flies. C) Lizards. D) Cats. Show Answer Correct Answer: A) Jellyfish. ← 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