This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 381 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 381 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the brainstem A) A relay station for nerve impulses. B) Controls senses. C) Part of the brain. D) None of above. Show Answer Correct Answer: A) A relay station for nerve impulses. 2. What would be an effect of the sympathetic nervous system? A) Your heart rate increases. B) Your blood pressure decreases. C) The rate of contraction of smooth muscle increases. D) The pupils in your eyes constrict. Show Answer Correct Answer: A) Your heart rate increases. 3. Reflex action is an automatic reaction to a, sudden stimulus A) False. B) True. Show Answer Correct Answer: B) True. 4. An infant is born with an incomplete blood-brain barrier. The glial cells that were most likely affected in development were the A) Microglia. B) Ependymal cells. C) Oligodendrocytes. D) Astrocytes. Show Answer Correct Answer: D) Astrocytes. 5. Which phrase best describes your entire nervous system? A) Extensive and complex. B) Localized and inefficient. C) Unicellular and microscopic. D) Mindless and automatic. Show Answer Correct Answer: A) Extensive and complex. 6. How many dendrites can there be? A) 10. B) Many. C) 20. D) 35. Show Answer Correct Answer: B) Many. 7. It coordinates muscle actions. A) Cerebrum. B) Cerebellum. C) Brain Stem. D) Medulla. Show Answer Correct Answer: B) Cerebellum. 8. What part of the eye sends messages to the brain from the retina? A) Optic Nerve. B) Iris. C) Lens. D) Cornea. Show Answer Correct Answer: A) Optic Nerve. 9. What area of the body is controlled by the somatic nervous system? A) Muscles surrounding the digestive tract. B) Skeletal muscle. C) Heart muscle. D) Secretion of glandular substances. Show Answer Correct Answer: B) Skeletal muscle. 10. While looking at your chart, you see:HR:84. You know HR stands for: A) Heart rate. B) Hand rate. Show Answer Correct Answer: A) Heart rate. 11. Which classification of medication controls tremors and muscle rigidity by increasing dopamine in the brain? A) Antipsychotics. B) Antidepressants. C) Anesthetics. D) Antiparkinsonian Agents. Show Answer Correct Answer: D) Antiparkinsonian Agents. 12. Which sensory receptors send impulses to the brain about temperature? A) Thermoreceptors. B) Photoreceptors. C) Proprioceptors. D) Mechanoreceptors. Show Answer Correct Answer: A) Thermoreceptors. 13. What is the cerebrum in charge of? A) Feelings. B) Motor skills. C) Thinking. D) None of above. Show Answer Correct Answer: C) Thinking. 14. .... nerves are ones we control, like moving our arms or jumping with our legs. A) Autonomic. B) Motor. C) Sensory. D) Somatic. Show Answer Correct Answer: D) Somatic. 15. PART OF THE BRAIN THAT CONTROLS BASIC FUNCTIONS SUCH AS BREATHING AND HEARTBEAT A) CEREBRUM. B) BRAIN STEM. C) CEREBELLUM. D) NEURON. Show Answer Correct Answer: B) BRAIN STEM. 16. What makes up the central nervous system (CNS)? A) Brain and heart. B) Brain and spinal cord. C) Heart and spinal cord. D) Spinal cord and lungs. Show Answer Correct Answer: B) Brain and spinal cord. 17. The instability caused by the malfunctioning of one system cannot be made stable by other systems because each system has its own function in the body. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 18. Your nerve cells have two main settings for communicating: ..... (immediate) and ..... (take more time to be read). A) Electrical, chemical. B) Chemical, electrical. Show Answer Correct Answer: A) Electrical, chemical. 19. Which of the following is a non-motor response? A) Forming a memory. B) Pulling your hand away from a hot stove. C) Going to get a drink of water. D) Opening a window. Show Answer Correct Answer: A) Forming a memory. 20. Which lobe is involved in making plans and judgments? A) Parietal. B) Temporal. C) Occipital. D) Frontal. Show Answer Correct Answer: D) Frontal. ← 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