This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 41 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Part of brainstem between diencephalon and pons A) Gyrus (convolution. B) Pineal Gland. C) Ventricle. D) Midbrain. Show Answer Correct Answer: D) Midbrain. 2. Sodium/potassium pumps are important parts of neurons because they ..... A) Repolarize the cell after an action potential. B) Keep up the charge difference between the outside and inside of the cell. C) Both of these. D) None of above. Show Answer Correct Answer: C) Both of these. 3. Sensory A) Impulse are sent from CNS to effectors (muscle glands) to cause a response. B) Occurs within CNS; processes incoming sensory input (decision making). C) Impulses are sent to the CNS; detect changes inside and outside the body. D) None of above. Show Answer Correct Answer: C) Impulses are sent to the CNS; detect changes inside and outside the body. 4. Which sense is responsible for detecting taste? A) The sense of taste is responsible for detecting taste. B) The sense of smell is responsible for detecting taste. C) The sense of touch is responsible for detecting taste. D) The sense of sight is responsible for detecting taste. Show Answer Correct Answer: A) The sense of taste is responsible for detecting taste. 5. What is included in the peripheral nervous system? A) Somatic and autonomic nervous system. B) Brain and spinal cord. C) Spinal cord and nerves to the body. D) Nerves to the body and central nervous system. Show Answer Correct Answer: A) Somatic and autonomic nervous system. 6. The ..... nervous system controls unconscious activities. A) Somatic. B) Sympathetic. C) Parasympathetic. D) Autonomic. Show Answer Correct Answer: D) Autonomic. 7. What happens when an action potential is produced with a signal that is stronger than threshold? A) Stronger action potential generated. B) Weaker action potential generated. C) No action potential generated. D) Action potential has same strength as threshold. Show Answer Correct Answer: D) Action potential has same strength as threshold. 8. Form a protective covering around the spinal cord and central cavities within the brain A) Ependymal Cells. B) Astrocytes. C) Microglia. D) Oligodendrocytes. Show Answer Correct Answer: A) Ependymal Cells. 9. Which structure is responsible for heart rate, blood pressure, swallowing, and vomiting? A) Pons. B) Thalamus. C) Hypothalamus. D) Spinal cord elongated. Show Answer Correct Answer: D) Spinal cord elongated. 10. High sensitivity requires ..... for a response to be generated as compared to low sensitivity. A) A higher level of stimulus. B) A lower level of stimulus. C) The same level of stimulus. D) Multiple instances of stimuli. Show Answer Correct Answer: B) A lower level of stimulus. 11. How many bones are in the human body? A) 139. B) 206. C) 359. D) 806. Show Answer Correct Answer: B) 206. 12. ..... is commonly referred to as a stroke. It is the result of a blocked or ruptured blood vessel supplying a region of the brain. A) CVA. B) Concussion. C) Contusion. D) Cerebral Edema. Show Answer Correct Answer: A) CVA. 13. Which spinal nerves do not have a plexus A) Cervical. B) Thoracic. C) Lumbar. D) Sacral. Show Answer Correct Answer: B) Thoracic. 14. The inside of the membrane becomes less negative A) Action potential. B) Threshold. C) Hypepolarization. D) Depolarization. Show Answer Correct Answer: D) Depolarization. 15. The ear is segmented into how many segments A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 16. What do chemoreceptors sense A) Chemical. B) Touch. C) Heat. D) Pressure. Show Answer Correct Answer: A) Chemical. 17. What are the 3 divisions of the brain? A) Cerebellum, brain, spinal cord. B) Spinal cord, brain stem, cerebrum. C) Brain stem, cerebellum, spinal cord. D) Brain stem, cerebellum, cerebrum. Show Answer Correct Answer: D) Brain stem, cerebellum, cerebrum. 18. Which division is referred to as the rest and digest? A) Peripheral Nervous System. B) Peripheral Division. C) Parasympathetic Division. D) Parasympathetic Nervous System. Show Answer Correct Answer: C) Parasympathetic Division. 19. Humans detect their external environment with A) Their 5 senses. B) Wifi. C) Magic. D) Endocrine system. Show Answer Correct Answer: A) Their 5 senses. 20. In a motor neurone there is A) A dendron but no axon. B) A dendron and an axon. C) An axon but no dendron. D) None of these options is correct. Show Answer Correct Answer: C) An axon but no dendron. ← 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