This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 825 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 825 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The Eustachian tube connects the A) Outer ear and middle ear. B) Middle ear and inner ear. C) Inner ear and throat. D) Middle ear and throat. Show Answer Correct Answer: D) Middle ear and throat. 2. What nerves link the body to the CNS? A) CNS. B) PNS. C) CSF. D) Brain. E) Spinal cord. Show Answer Correct Answer: B) PNS. 3. Where do ependymal cells typically reside? A) Around PNS neurons. B) Inside the CNS myelin sheath. C) Lining cerebrospinal fluid-filled cavities. D) Alongside capillaries in the nervous tissue. Show Answer Correct Answer: C) Lining cerebrospinal fluid-filled cavities. 4. What region of a neuron contains the nucleus? A) Dendrite(s). B) Cell body. C) Axon. D) Axon terminal. Show Answer Correct Answer: B) Cell body. 5. Dementia is caused by damage to brain cells. This damage interferes with the ability of brain cells to communicate with each other. A) Fact. B) Myth. Show Answer Correct Answer: A) Fact. 6. An adult brain weighs about 3 pounds A) True. B) False. Show Answer Correct Answer: A) True. 7. What do we call the "information" or the "messages" being transmitted in our nervous system? A) Nerve cell. B) Nerve impulse. C) Nerve electricity. D) Nerve imprint. Show Answer Correct Answer: B) Nerve impulse. 8. Why is it important to have a doctor prescribe needed medications? A) Taking a wrong medication can interact with your neurotransmitters. B) The wrong amount of medication can interfere with your neurons. C) The synaptic gap is carefully regulated and wrong neurotransmitters can cause unwanted issues. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Has branches that allow information to pass to other cells A) Cell body. B) Dendrite. C) Axon. D) None of above. Show Answer Correct Answer: C) Axon. 10. Afferent pathways carry impulses from the appendicular skeleton to the brain. Which of the following would be considered the start of an afferent pathway? A) Motor neurons connected to the biceps. B) Interneurons deep inside the brain and spinal cord. C) Motor neurons in the quadriceps. D) Sensory neurons in the dermis of the fingers. Show Answer Correct Answer: D) Sensory neurons in the dermis of the fingers. 11. Nissl's granules present in the neurons are made up of A) Protein. B) Ribosome. C) RNA. D) DNA. Show Answer Correct Answer: B) Ribosome. 12. This neuroglia has processes that wrap around nerve fibers and produce myelin sheaths around them in the brain and spinal cord. A) Astrocytes. B) Microglia. C) Ependymal Cells. D) Oligodendrocytes. Show Answer Correct Answer: D) Oligodendrocytes. 13. When you put food on your tongue, the molecules in the food bind to and thereby stimulate the gustatory (taste) receptors. The different types of receptors for the different tastes are: A) Spicy, sour, bitter, fatty. B) Sour, sweet, spicy, bitter. C) Salty, sweet, sour, bitter. D) Sour, fatty, sweet, spicy. Show Answer Correct Answer: C) Salty, sweet, sour, bitter. 14. Who mapped out the brain using direct electrical stimulation? A) Dr. Wilder Penfield. B) Dr. Gordon Murray. C) Dr. Murray Penfield. D) Dr. Gordon Penfield. Show Answer Correct Answer: A) Dr. Wilder Penfield. 15. Which of the following animals has a nerve net? A) Flat worm. B) Jelly fish. C) Human. D) Earth worm. Show Answer Correct Answer: B) Jelly fish. 16. Set of nerves to work automatically for us;breathing, digestion & heart rate A) Spinal cord. B) Brain. C) Autonomic nervous system. D) None of above. Show Answer Correct Answer: C) Autonomic nervous system. 17. Where is your spinal cord located? A) Down the center of your back. B) Under your arm. C) In your stomach. D) On top of your liver. Show Answer Correct Answer: A) Down the center of your back. 18. Which neuron structure contains the nucleus and other cell organelles? A) Soma. B) Neuronal membrane. C) Axon. D) Axon terminals. E) Dendrites. Show Answer Correct Answer: A) Soma. 19. What determines whether a signal molecule binds on the surface or enters the cell? A) Size. B) Polarity. C) Ability to cross the membrane. D) All of these are correct. Show Answer Correct Answer: D) All of these are correct. 20. Includes the medulla oblongata, midbrain, and pons. A) Parietal lobe. B) Ventricle. C) Cerebrum. D) Spinal cord. E) Brainstem. Show Answer Correct Answer: E) Brainstem. ← 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