This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 86 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 86 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the biggest part of the brain? A) Think tank. B) Cerebrum. C) Cerebellum. D) None of above. Show Answer Correct Answer: B) Cerebrum. 2. When at rest, calcium and sodium ion channels A) Are closed and prevent the ion from entering the cells. B) Are open and allow the ions to flow into the cells. C) Are closed and keep the ions trapped inside the cells. D) Are opening and closing a regular intervals. Show Answer Correct Answer: A) Are closed and prevent the ion from entering the cells. 3. This is the nervous systems largest organ, the main control center A) Heart. B) Pituituary gland. C) Brain. D) Endocrine. Show Answer Correct Answer: C) Brain. 4. What is the purpose of the sodium-potassium pump in a neuron? A) To create a difference in charge between the inside and outside of the neuron. B) To open voltage-gated channels. C) To repolarize the neuron. D) To trigger action potentials. Show Answer Correct Answer: A) To create a difference in charge between the inside and outside of the neuron. 5. The lobe of the brain that controls mental functions like reasoning, planning and memorizing is the A) Parietal. B) Frontal. C) Temporal. D) Occipital. Show Answer Correct Answer: B) Frontal. 6. This is a function of the cerebrum that has to do with movement and muscle contractions. A) Frontal. B) Motor. C) Sensory. D) Associative. Show Answer Correct Answer: B) Motor. 7. The central nervous system consists of all of the following EXCEPT: A) Cerebrum. B) Cerebellum. C) Spinal cord. D) Spinal nerves. Show Answer Correct Answer: D) Spinal nerves. 8. What structure do oligodendrocytes form around nerve fibers in the CNS? A) Axon terminals. B) Dendrites. C) Myelin sheaths. D) Synaptic vesicles. Show Answer Correct Answer: C) Myelin sheaths. 9. Skin has the following sensory receptors except: A) Thermoreceptor. B) Pain receptor. C) Mechanoreceptor. D) Chemoreceptor. Show Answer Correct Answer: D) Chemoreceptor. 10. What is the main organ of the nervous system? A) Heart. B) Stomach. C) Bladder. D) Brain. Show Answer Correct Answer: D) Brain. 11. Occipital Lobes are responsible for: A) Balance. B) Vision. C) Hearing. D) Movement. Show Answer Correct Answer: B) Vision. 12. What is the function of the cerebrum? A) Functions in learning, speech, emotion, and reasoning. B) Regulate respiration and circulation. C) Relay information between the brain and spinal cord. D) Maintain posture and balance. Show Answer Correct Answer: A) Functions in learning, speech, emotion, and reasoning. 13. What part of your nervous system calms your body back down after danger has passed? A) Central. B) Somatic. C) Parasympathetic. D) Sympathetic. Show Answer Correct Answer: C) Parasympathetic. 14. The nervous system uses sense organs and nerve endings to detect changes both inside and outside of the body (T/F)? A) True. B) False. Show Answer Correct Answer: A) True. 15. The part of the neuron that INSULATES the axon and increases the speed of the neural message within the neuron. A) Conclusion. B) Dendrite. C) Myelin Sheath. D) Axon Terminal Button. Show Answer Correct Answer: C) Myelin Sheath. 16. Voluntary muscle movement is coordinated by what part of the brain? A) Cerebellum. B) Occipital. C) Frontal. D) Parietal. Show Answer Correct Answer: A) Cerebellum. 17. Which best describes the function of the spinal cord? A) To connect the brain and the body. B) To shield nerves from injury. C) To receive and send messages. D) To detect external stimuli. Show Answer Correct Answer: A) To connect the brain and the body. 18. What are the 2 division of the autonomic nervous system? A) Sympathetic & parasympathetic. B) Sympathetic & somatic. C) CNS & PNS. D) Afferent & efferent. Show Answer Correct Answer: A) Sympathetic & parasympathetic. 19. What is the largest muscle called? A) Gluteus maximus. B) Bicep. C) Calf. D) None of above. Show Answer Correct Answer: A) Gluteus maximus. 20. Which part of the neuron transmits impulses to other neurons? A) Axon. B) Cell body. C) Dendrite. D) Node. Show Answer Correct Answer: A) Axon. ← 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