This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 47 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 47 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A nerve cell is known as a A) Nephron. B) Neuron. C) Dendrite. D) Axon. Show Answer Correct Answer: B) Neuron. 2. The brain weighs approximately A) 3 lbs. B) 4 lbs. C) 5 lbs. D) 6 lbs. Show Answer Correct Answer: A) 3 lbs. 3. An interneuron carries a message from the central nervous system to the muscle. A) True. B) False. Show Answer Correct Answer: A) True. 4. Which of the following physiological symptoms indicate the parasympathetic nervous system is dominant? A) Decreased breathing rate, dilated pupils, relaxed baldder. B) Decreased blood pressure, increased heart rate, constricted pupils. C) Decreased heart rate, increased perspiration, slowed digestion. D) Decreased respiration, contracted bladder, stimulated saliva. Show Answer Correct Answer: D) Decreased respiration, contracted bladder, stimulated saliva. 5. Glial cells are smaller and less in number than neurons. A) True. B) False. Show Answer Correct Answer: B) False. 6. The ..... acts to keep one aroused and awake. A) Vasomotor center. B) Quadrilateral bodies. C) Diencephalon. D) Reticular formation. Show Answer Correct Answer: D) Reticular formation. 7. Possesses the Sensory Cortex A) Frontal Lobe. B) Occipital Lobe. C) Temporal Lobe. D) Parietal Lobe. Show Answer Correct Answer: D) Parietal Lobe. 8. Which describes a depolarized nerve? A) Positively charged inside, negatively charged outside. B) Negatively charged inside, negatively charged outside. C) Negatively charged inside, positively charged outside. D) Positively charged inside, positively charged outside. Show Answer Correct Answer: A) Positively charged inside, negatively charged outside. 9. This is the function of the general interpretation area. A) Muscle Movements. B) Vision. C) Complex Thoughts. D) Higher Mental Functions (intelligence, reasoning, etc.). Show Answer Correct Answer: C) Complex Thoughts. 10. The cranial nerve directly involved with swallowing is the ..... A) XII. B) IX. C) Spinal accessory. D) Facial. Show Answer Correct Answer: B) IX. 11. The resting potential indicates that the inside of the neuron is ..... compared to the outside. A) Negative. B) Under ionic pressure. C) Inactive. D) Positive. Show Answer Correct Answer: A) Negative. 12. Neurons that transmit impulses to the spinal cord and brain from all parts of the body. A) Sensory neuron. B) Serotonin. C) Sympathetic system. D) None of above. Show Answer Correct Answer: A) Sensory neuron. 13. The parietal lobe contains the A) Motor cortex. B) Somatosensory cortex. C) Broca's area. D) Wernicke's area. Show Answer Correct Answer: B) Somatosensory cortex. 14. Antibodies are produced by: A) Saliva. B) Neurons. C) Lymphocytes. D) Bacteria. Show Answer Correct Answer: C) Lymphocytes. 15. The outer ear collects sound waves and passes them to the ..... A) Anvil. B) Ear Canal. C) Ear Drum. D) Middle ear. Show Answer Correct Answer: C) Ear Drum. 16. What is the role of neurotransmitters in the nervous system during exercise? A) To speed up nerve signal transmission. B) To protect the neurons from damage. C) To regulate blood flow to the brain. D) To transmit signals between neurons. Show Answer Correct Answer: D) To transmit signals between neurons. 17. For the next few milliseconds after an action potential, the axon membrane cannot be stimulated to undergo another. This period of time is called ..... A) Restoration period. B) Sleeping period. C) Resting period. D) Refractory period . Show Answer Correct Answer: D) Refractory period . 18. Which part of the nervous system contains the nerves that connect all areas of the body? A) Central Nervous System. B) Peripheral Nervous System. Show Answer Correct Answer: B) Peripheral Nervous System. 19. The long, fiber like part of a neuron which the cell sends information to tail fibers and on to other neurons. A) Axon. B) Dendrite. C) Axon terminal. D) Gene. Show Answer Correct Answer: A) Axon. 20. The ..... hemisphere of the brain is considered to be the artistic and creative side. A) Left. B) Right. C) Middle. D) Dominant. Show Answer Correct Answer: B) Right. ← 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