This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 186 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 186 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ..... send and receive messages from the brain. A) Nerves. B) Spinal Cord. C) Brain. D) None of above. Show Answer Correct Answer: A) Nerves. 2. Maintains homeostasis A) Hypothalamus. B) Thalamus. C) Midbrain. D) None of above. Show Answer Correct Answer: A) Hypothalamus. 3. Nerves that transmit impulses toward the brain and spinal cord are: A) Afferent nerves. B) Efferent nerves. Show Answer Correct Answer: A) Afferent nerves. 4. What is the equation to calculate speed? A) Speed = distance/time. B) Speed = time/distance. C) Speed = time x distance. D) Speed = speed/time. Show Answer Correct Answer: A) Speed = distance/time. 5. Which cranial nerve allows for speech? A) #9 Glossopharyngeal. B) #10 Vagus. C) #12 hypoglossal. D) #1 olfactory. Show Answer Correct Answer: C) #12 hypoglossal. 6. Which type of MRI scan is good for detecting ischemic stroke in the first few hours? A) Contrast enhanced MRI using gadolinium. B) Diffusion weighted (DW) MRI. C) Diffusion tensor imaging (DTI). D) BOLD-fMRI. Show Answer Correct Answer: B) Diffusion weighted (DW) MRI. 7. Most drugs that affect the nervous system, especially recreational or illegal drugs, raise the level of the neurotransmitter A) Dopamine. B) Adenosine. C) Serotonin. D) NADPH. Show Answer Correct Answer: A) Dopamine. 8. ..... send information from the eyes, ears, nose, tongue, and skin to the brain. A) Sensory neurons. B) Motor neurons. Show Answer Correct Answer: A) Sensory neurons. 9. The structure that holds the two brain hemispheres together: A) The cerebellum. B) The thalamus. C) A calloused body. D) The occipital lobe. Show Answer Correct Answer: C) A calloused body. 10. A man injures his arm in an accident. Afterwards, he can move his hand but cannot feel objects touching his hand. What could cause this? A) Both sensory and motor neurones are cut. B) Sensory neurons are cut. C) Motor neurones are cut. D) Effectors are damaged. Show Answer Correct Answer: B) Sensory neurons are cut. 11. What are reflexes? A) The main control center. B) The brain and the spinal cord. C) A message carried by a neuron. D) Involuntary, automatic response to a stimulus. Show Answer Correct Answer: D) Involuntary, automatic response to a stimulus. 12. Which best describes the function of the nervous system? A) Eliminating body waste. B) Movement of blood through the body. C) Control bodily function and movement. D) Exchange of materials through blood and cells. Show Answer Correct Answer: C) Control bodily function and movement. 13. The study of the brain and nervous system is called ..... A) Biology. B) Nervology. C) Neuroscience. D) Mind-nubbing. Show Answer Correct Answer: C) Neuroscience. 14. This has a stimulating effect, fight or flight A) Parasympathetic division. B) Efferent division. C) Sympathetic division. D) None of above. Show Answer Correct Answer: C) Sympathetic division. 15. Which one is the beginning of the neuron? A) Axon. B) Dendrite. C) Axon terminal. D) Cell body. Show Answer Correct Answer: B) Dendrite. 16. How many neurons does a human brain have (approximately)? A) 30, 000. B) 1 Million. C) 100 Million. D) 100 Billion. Show Answer Correct Answer: D) 100 Billion. 17. Insulating membrane that surrounds the axon of a neuron A) Myelin sheath. B) Resting potential. C) Neurotransmitter. D) Cerebrospinal fluid. Show Answer Correct Answer: A) Myelin sheath. 18. An internal stimuli A) Heat. B) Cold. C) Pain. D) Thirst. Show Answer Correct Answer: D) Thirst. 19. The ..... attaches one bone to another bone. A) Tendon. B) Ligament. Show Answer Correct Answer: B) Ligament. 20. The brain is made up of 75% water. 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