This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 663 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 663 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Part of the digestive system that connects the mouth to the stomach. The walls contract to push food down to the stomach. A) Esophagus. B) Mouth. C) Large Intestine. D) Small Intestine. Show Answer Correct Answer: A) Esophagus. 2. Which division of the nervous system is composed of the brain and spinal cord? A) The Autonomic NS. B) The Peripheral NS. C) The Central NS. D) The Somatic NS. Show Answer Correct Answer: C) The Central NS. 3. Your ..... controls all your body's actions and jobs. A) Traumatic brain injury. B) Impulses. C) Somatic system. D) Nervous system. Show Answer Correct Answer: D) Nervous system. 4. Which division of the nervous system is responsible for regulating smooth and cardiac muscle contraction? A) Autonomic. B) Somatic. Show Answer Correct Answer: A) Autonomic. 5. What are two parts of the central nervous system? A) Brain/spinal cord. B) Spinal cord/motor neurons. C) Motor/sensory neurons. D) Brain/sensory neurons. Show Answer Correct Answer: A) Brain/spinal cord. 6. Thick ridges covering the surface of the brain are called: A) Sulci. B) Gyri. Show Answer Correct Answer: B) Gyri. 7. Which part of the nervous system consists of the brain and spinal cord? A) Digestive nervous system. B) Peripheral nervous system. C) Respiratory nervous system. D) Central nervous system. Show Answer Correct Answer: D) Central nervous system. 8. Each neuron has more than one axon. A) True. B) False. Show Answer Correct Answer: B) False. 9. Why is the action potential considered a binary or "all or none" type of signal? A) Once the threshold is reached-a full action potential is generated. B) It does not compromise with other neurons. C) It only knows computer code. D) It can send slow signals to computers. Show Answer Correct Answer: A) Once the threshold is reached-a full action potential is generated. 10. Which type of neurons carry impulses from sense organs to the central nervous system? A) Enterneurons. B) Interneurons. C) Sensory neurons. D) Motor neurons. Show Answer Correct Answer: C) Sensory neurons. 11. Phagocytic cells that devour dead cells in the CNS A) Microglia. B) Ependymal cells. C) Satellite cells. D) Astrocytes. Show Answer Correct Answer: A) Microglia. 12. How many parts are there in the nervous system? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 13. Seizure of sleep A) Narcotic. B) Narcolepsy. C) Neurolepsy. D) None of above. Show Answer Correct Answer: B) Narcolepsy. 14. Disease causing agents such as bacteria and viruses are called ..... A) Pathogens. B) Antibodies. C) Willians. D) Particles. Show Answer Correct Answer: A) Pathogens. 15. At resting potential, the ion distribution inside and outside of a neuron is such that ..... ions are most abundant on the outside of the cell, while ..... ions are most abundant on the inside of the cell. A) Potassium; sodium. B) Sodium; potassium. C) Calcium; potassium. D) Calcium; sodium. Show Answer Correct Answer: B) Sodium; potassium. 16. Any change in the environment A) Stimulus. B) Receptor. C) Effector. D) Impulse. Show Answer Correct Answer: A) Stimulus. 17. Which type of neuron function is describe:carries impulses to the effector A) Sensory. B) Intergrative. C) Motor. D) None of above. Show Answer Correct Answer: C) Motor. 18. This part of the brain controls basic body functions like breathing, swallowing, heart rate, blood pressure, and consciousness A) Cerebrum. B) Cerebrum. C) Brain stem. D) Brain. Show Answer Correct Answer: C) Brain stem. 19. What is the English Meaning of the Medical Term Narc/o [ NARC/O ]? A) Pain, Painful Condition. B) Movement. C) Weakness, Debility. D) Numbness, Sleep. E) Tension. Show Answer Correct Answer: D) Numbness, Sleep. 20. The word '' soma" means ..... A) Life. B) Somatic. C) Sympathetic. D) Body. Show Answer Correct Answer: D) Body. ← 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