This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 699 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 699 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When the smooth muscles around organs and other internal body parts contract & relax to move food, it is called ..... A) Churn. B) Peristalsis. C) Gastric Fluid. D) Chyme. Show Answer Correct Answer: B) Peristalsis. 2. An insulating laye that forms around nerves made up of protein and fatty substances allows electrical impulses to transmit quickly and efficiently along the nerve cells. A) Axon. B) Cerberal Cortex. C) Dendrites. D) Myelin Sheath. Show Answer Correct Answer: D) Myelin Sheath. 3. What do axons do A) Are part of every nerve cell. B) Are part of only some nerve cells. C) Conduct electrical impulse away from the cell body. D) BRING electrical impulses TO the cell body. Show Answer Correct Answer: C) Conduct electrical impulse away from the cell body. 4. A narrow gap that separates the synaptic neuron from the postsynaptic cell A) Synaptic cleft. B) Spatial summation. C) Inhibitory postsynaptic potentials. D) Substance P. Show Answer Correct Answer: A) Synaptic cleft. 5. Which part of the body is made up of bundles of neurons that carry impulses from all parts of the body to the brain and from the brain to all parts of the body? A) Central nervous system. B) Spinal cord. C) Brain. D) Neuron. Show Answer Correct Answer: A) Central nervous system. 6. Set of physiological changes that occurs in the body in response to stress to protect the organism A) Fight or flight condition. B) Mental health. C) Psychological stress. D) Biological stress. Show Answer Correct Answer: A) Fight or flight condition. 7. How can near sightedness be corrected? A) Using concave lens. B) Using convex lens. C) Using bifocal lens. D) None of above. Show Answer Correct Answer: A) Using concave lens. 8. What's the condition called when a person has no use of their legs? A) Paraplegia. B) Quadriplegia. C) Transient Paralysis. D) None of above. Show Answer Correct Answer: A) Paraplegia. 9. Which of the following is not a mechanoreceptor? A) Free Nerve Endings. B) Myelin Sheaths. C) Tactile Corpuscles. D) Lamellated Corpuscles. Show Answer Correct Answer: B) Myelin Sheaths. 10. *The thin filaments of striated muscle are made of which protein(s)? A) *actin. B) Tropomyosin. C) Troponin. D) *all of the above. Show Answer Correct Answer: D) *all of the above. 11. The bones that protect your spinal cord are called ..... A) Diaphragm. B) Cerebrospinal fluid. C) Vertebral column. D) None of above. Show Answer Correct Answer: C) Vertebral column. 12. How many parts are included in the BRAINSTEM? A) 2. B) 6. C) 1. D) 3. Show Answer Correct Answer: D) 3. 13. Stimulatory binding of NT's at a neuron-neuron chemical synapse begins the process of ..... in a post-synaptic neuron A) Polarization. B) Depolarization. C) Repolarization. D) Hyperpolarization. Show Answer Correct Answer: B) Depolarization. 14. A loss of hearing could be associated with which cranial nerve? A) Olfactory. B) Trigeminal. C) Vestibulocochlear. D) Accessory. Show Answer Correct Answer: C) Vestibulocochlear. 15. Would kicking a soccer ball be controlled by the somatic or autonomic nervous system? A) Somatic. B) Autonomic. Show Answer Correct Answer: A) Somatic. 16. The pre-processing station, it groups similar messages before relaying them in the cerebrum. A) Hypothalamus. B) Thalamus. C) Cerebellum. D) Motor centers. Show Answer Correct Answer: B) Thalamus. 17. Which is incorrect regarding myelin? (General Subject 58) A) Nerve fibers of the same size Those without myelin conduct nerve impulses more quickly. B) The node of Ranvier has no myelin. C) Covers the nerve fibers of vertebrates. D) It is mainly composed of lipids and proteins. E) It is part of the Schwann cell membrane. Show Answer Correct Answer: A) Nerve fibers of the same size Those without myelin conduct nerve impulses more quickly. 18. Which of the following is NOT a function of the synapse? A) Site of communication between neurons. B) Insulates and speeds up signal transmission. C) Transmits signals away from the cell body. D) Receives signals. Show Answer Correct Answer: B) Insulates and speeds up signal transmission. 19. What does the brain stem fuse with and turn in to? A) Vertebral column. B) Spinal cord. C) Cranial nerves. D) White matter. Show Answer Correct Answer: B) Spinal cord. 20. You are looking at your chart and see T:98.7. You know T stands for: A) Temperature. B) Teeth. Show Answer Correct Answer: A) Temperature. ← 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