This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 514 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 514 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many pairs of spinal nerves do humans have? A) 4. B) 12. C) 21. D) 31. Show Answer Correct Answer: D) 31. 2. The ..... includes all the nerves spread throughout the body except those found in the brain and spinal cord. A) Peripheral nervous system. B) Central nervous system. Show Answer Correct Answer: A) Peripheral nervous system. 3. Major connecting center between the brain an network of nerves and responsible for reflexes A) Spinal cord. B) Cerebrum. C) Medulla. D) Somatic nervous system. Show Answer Correct Answer: A) Spinal cord. 4. A neuron has a large cell body that contains a ....., threadlike extensions called dendrites, and an axon. A) Nucleus. B) Neuron. C) Cell membrane. D) None of above. Show Answer Correct Answer: A) Nucleus. 5. Pumps oxygen-rich blood to the Aorta A) Left Atrium. B) Left Ventricle. C) Right Atrium. D) Right Ventricle. Show Answer Correct Answer: B) Left Ventricle. 6. Which of the following best describes actin filaments? A) A thin filament made of two intertwining strands whose subunits bind together like beads on a string. B) A thick filament that looks like two golf clubs twisted together. C) A small, globular regulatory protein that holds another protein in place. D) A long, ropelike regulatory protein that spirals around another protein, covering its active sites. Show Answer Correct Answer: A) A thin filament made of two intertwining strands whose subunits bind together like beads on a string. 7. Main source of immune defense against invading microorganisms: A) Ependymal cell. B) Oligodendrocyte. C) Microglial cells. D) Schwann cells. Show Answer Correct Answer: C) Microglial cells. 8. When Cl-goes into the cell, the cell will become more negative and is hyper polarized A) True. B) False. Show Answer Correct Answer: A) True. 9. Which lobe of the brain is responsible for memories, hearing, and language? A) Occipital Lobe. B) Parietal Lobe. C) Temporal Lobe. D) Frontal Lobe. Show Answer Correct Answer: C) Temporal Lobe. 10. Neurons that only travel from the body to the brain are called ..... A) Sensory neurons. B) Interneurons. C) Motor neurons. D) None of above. Show Answer Correct Answer: A) Sensory neurons. 11. Choose the motor nerve A) Auditory. B) Optic. C) None of the above. D) None of above. Show Answer Correct Answer: C) None of the above. 12. Help to move muscles as a response A) Sensory neurons. B) Motor neurons. Show Answer Correct Answer: B) Motor neurons. 13. When does the stimuli cause an action potential? A) When it reaches threshold. B) Just below the threshold. C) Just above threshold. D) None of above. Show Answer Correct Answer: A) When it reaches threshold. 14. How does the sympathetic nervous system prepare the body for emergencies and stress? A) By receiving impulses and conducting them to the cell body. B) By increasing breathing rate, heart rate and blood flow to the muscles. C) By maintaining normal body functions during ordinary circumstances. D) By carrying instructions to and from the autonomic nervous system. Show Answer Correct Answer: B) By increasing breathing rate, heart rate and blood flow to the muscles. 15. What bones protect the spinal cord? A) Skull. B) Spine. C) Rib cage. D) None of above. Show Answer Correct Answer: B) Spine. 16. The part of the peripheral nervous system that controls conscious activities A) Autonomic nervous system. B) Somatic nervous system. C) Sympathetic nervous system. D) Parasympathetic nervous system. Show Answer Correct Answer: B) Somatic nervous system. 17. Functions such as sensing of touch, pain, and temperature, hearing and spatial and visual perception are processed in the ..... lobe of the cerebrum. A) Fronatl. B) Parietal. C) Temporal. D) Occipital. Show Answer Correct Answer: B) Parietal. 18. Which of the following is a function of the motor division of the nervous system? A) Coordinating voluntary and involuntary activities. B) Regulating or controlling peripheral structures and systems. C) Sending signals to muscles. D) Integrating sensory information. E) Providing sensation of the internal and external environments. Show Answer Correct Answer: C) Sending signals to muscles. 19. Which Neurotransmitter allows you to perceive pain? A) Endorphins. B) Substance P. C) Nitric oxide. D) Histamine. Show Answer Correct Answer: B) Substance P. 20. I can hear with my ..... A) Tongue. B) Eyes. C) Ears. D) Skin. Show Answer Correct Answer: C) Ears. ← 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