This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 675 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 675 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Heart beating A) Voluntary Action. B) Involuntary Action. Show Answer Correct Answer: B) Involuntary Action. 2. This is the "superhighway" of the nervous system. A) Brainstem. B) Spinal cord. C) Back bone. D) Cerebrum. Show Answer Correct Answer: B) Spinal cord. 3. Is the brain soft and delicate A) True. B) False. Show Answer Correct Answer: A) True. 4. What two senses is the ear involved with? A) Hearing and balance. B) Taste and smell. C) Touch and sight. D) Smell and touch. Show Answer Correct Answer: A) Hearing and balance. 5. The two main types of cells that make up the nervous system are ..... A) Neurons and neuroglial cells. B) Spinal cord and brain. C) Neurons and nerve cells. D) Epithelial and connective cells. Show Answer Correct Answer: A) Neurons and neuroglial cells. 6. What is dystonia A) Slowed movements. B) A movement disorder in which a persons muscles contract uncontrollably. C) The framework of the body, consisting of bones and other connective tissues, which protects and supports the body tissues and internal organs. D) None of the above. Show Answer Correct Answer: B) A movement disorder in which a persons muscles contract uncontrollably. 7. Brain size has some relationship to intelligence. A) True. B) False. Show Answer Correct Answer: A) True. 8. Your brain has about..... neurons. A) 500 million. B) 100 million. C) 100 billion. D) None of above. Show Answer Correct Answer: C) 100 billion. 9. Scattered throughout the cytoplasm of membranous sacs are called? A) Chromoatphilic substance. B) Neurofibromas. C) Neurilemma. D) Neurofibrils. Show Answer Correct Answer: A) Chromoatphilic substance. 10. You are working quietly in the library when a friend sneaks up from behind and scares you, making your heart race. At this time, your ..... nervous system would be dominant. A) Parasympathetic. B) Sympathetic. C) Somatic. D) Central. Show Answer Correct Answer: B) Sympathetic. 11. A ..... neuron may conduct impulses from your brain and spinal cord to the muscles in your legs A) Sensory. B) Enclosed. C) Motor. D) None of above. Show Answer Correct Answer: C) Motor. 12. Tracts of unmyelinated fibers in the CNS A) Gray matter. B) White matter. C) Schwann cells. D) Axon. Show Answer Correct Answer: A) Gray matter. 13. Receptors for taste and smell are called A) Chemoreceptors. B) Gustatory hairs. C) Olfactory hairs. D) Decibels. Show Answer Correct Answer: A) Chemoreceptors. 14. This butterfly shaped structure has 2 hemispheres, it is white on the inside and gray on the outside. This structure controls balance and equilibrium, coordination, and makes you aware of your body position. A) Cerebrum. B) Cerebellum. C) Diencephalon. D) Thalamus. Show Answer Correct Answer: B) Cerebellum. 15. This processes information from the sense organs and controls body movements. A) Cerebral cortex. B) Cerebrum. C) Cerebellum. D) Brain stem. Show Answer Correct Answer: A) Cerebral cortex. 16. A single nerve cell sends messages to parts of the body or the brain. A) Brain. B) Central Nervous System. C) Neurons. D) Spinal Cord. Show Answer Correct Answer: C) Neurons. 17. Affected by:axon diameter, presence of insulation on axon, myelin sheath (only in vertebrates), prevents loss of energy to surrounding tissue, permits thin yet fast movement A) Conduction speed. B) Chemical synapse. C) White matter. D) Conduction of action potential. Show Answer Correct Answer: A) Conduction speed. 18. What are the 3 Funky words from our Lesson? A) Dance, play, skip. B) Run, splash, dog. C) Homeostasis, Ganglia, Neuroglia. D) Funky, chicken, Dance. Show Answer Correct Answer: C) Homeostasis, Ganglia, Neuroglia. 19. An action potential generates local currents that tend to ..... the membrane immediately adjacent to the action potential. A) Depolarize. B) Repolarize. C) Hyperpolarize. D) Stabilize. E) Neutralize. Show Answer Correct Answer: A) Depolarize. 20. These types of cells help support and maintain the "blood brain barrier" . A) Astrocytes. B) Oligodendrocytes. C) Schwann cells. D) Ependymal cells. E) Satellite cells. Show Answer Correct Answer: A) Astrocytes. ← 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