This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 192 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 192 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Region of brain which controls breathing and sleep A) Hippocampus. B) Medulla oblongata. C) Hypothalamus. D) Broca's area. E) Pons. Show Answer Correct Answer: E) Pons. 2. Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid ..... A) Sodium. B) Chloride. C) Calcium. D) Potassium. Show Answer Correct Answer: D) Potassium. 3. This lobe of the cerebrum is associated with movement, orientation, recognition, perception of stimuli. A) Occipital. B) Parietal. C) All of them. D) Temporal. Show Answer Correct Answer: B) Parietal. 4. Excitatory postsynaptic potential A) Depolarizes membrane of the postsynaptic neuron. B) Hyperpolarizes membrane of the postsynaptic neuron. C) Has no affect on the postsynaptic neuron. D) None of above. Show Answer Correct Answer: A) Depolarizes membrane of the postsynaptic neuron. 5. The reflex action occurs slowly A) False. B) True. Show Answer Correct Answer: A) False. 6. One of the components of a sound is pitch. Pitch is determined by the ..... of a sound wave. A) Amplitude. B) Complexity. C) Frequency. D) Depth. Show Answer Correct Answer: C) Frequency. 7. The PNS contains: A) The cranial nerves. B) The brain. C) The spinal cord. D) Meninges. Show Answer Correct Answer: A) The cranial nerves. 8. What is the purpose of the folds in the cerebral cortex? A) To decrease the weight of the brain. B) To increase surface area. C) To separate the hemispheres. D) To protect the brain from injury. Show Answer Correct Answer: B) To increase surface area. 9. Which of the following neurones transmit nerve impulses from the receptor to the central nervous system A) Relay neurones. B) Sensory neurons. C) Motor neurones. D) Proprioceptors. Show Answer Correct Answer: B) Sensory neurons. 10. Did you like my project? A) Yes. B) No. C) A little bit. D) None of above. Show Answer Correct Answer: A) Yes. 11. The nervous system contains of ....., ..... and ..... A) Stomach, liver, and intestines. B) Blood, heart, and lungs. C) Spinal cord, nerves, and the brain. D) Bones, muscles, and skin. Show Answer Correct Answer: C) Spinal cord, nerves, and the brain. 12. Sheath (meninges) A) Lamin/o. B) Tax/o. C) Hydr/o. D) Thec/o. Show Answer Correct Answer: D) Thec/o. 13. What is the function of motor neurons A) Carry info from CNS to PNS. B) Carry info from PNS to CNS. C) Interpret signals from the motor neurons. D) Interpret signals from the sensory neurons. Show Answer Correct Answer: A) Carry info from CNS to PNS. 14. What is the main function of the occipital lobe in the brain? A) Language processing. B) Visual processing. C) Emotion regulation. D) Motor coordination. Show Answer Correct Answer: B) Visual processing. 15. Which statement best describes why your heart rate increases while exercising? A) Her bones needed more oxygen because they were moving faster. B) Her stomach needed more oxygen because it was digesting food faster. C) Her brain needed more blood to coordinate her rapid exercise movements. D) Her muscles needed more glucose and oxygen because they were working harder. Show Answer Correct Answer: D) Her muscles needed more glucose and oxygen because they were working harder. 16. Which of the following muscles we can control A) Cardiac. B) Voluntary. C) Involuntary. D) None of above. Show Answer Correct Answer: B) Voluntary. 17. Somatic Nervous System is in charge of A) Unconscious movements. B) Reflex actions and Voluntary responses. C) The movement of the smooth mucles. D) Intelectual Processes. Show Answer Correct Answer: B) Reflex actions and Voluntary responses. 18. What is the main function of the autonomic nervous system? A) Control voluntary movements of the muscles. B) Regulate the body's internal environment without conscious control. C) Process sensory information. D) Coordinate reflexes. Show Answer Correct Answer: B) Regulate the body's internal environment without conscious control. 19. Unmyelinated axons are A) White matter. B) Gray matter. C) Ganglia. D) None of above. Show Answer Correct Answer: B) Gray matter. 20. The peripheral nervous system is divided in to the somatic and autonomic systems. A) True. B) False. Show Answer Correct Answer: A) True. ← 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