This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System โ Quiz 446 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Nervous System Quiz 446 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. For an action potential to occur, the voltage of the axon must change from ..... A) -70mV to-55mV. B) -55mV to-70mV. C) -70mV to 40mV. D) -55mV to 40mV. Show Answer Correct Answer: A) -70mV to-55mV. 2. Which of the following is NOT a type of neuroglial cell? A) Astrocyte. B) Microglia. C) Ganglionic cell. D) Schwann cell. E) Ependymal cell. Show Answer Correct Answer: C) Ganglionic cell. 3. What is the name of the collar bone? A) Clavicle. B) Scapular. C) Sternum. D) Xiphoid. Show Answer Correct Answer: A) Clavicle. 4. Dermatomes are areas of skin innervated by specific: A) Blood vessels. B) Muscles. C) Cranial nerves. D) Spinal nerves. Show Answer Correct Answer: D) Spinal nerves. 5. This scan combines a series of X-ray images taken from different angles around your body and uses computer processing to create cross-sectional images (slices) of the bones, blood vessels and soft tissues inside your body. A) MRI. B) PET. C) CT Scan. D) EEG. Show Answer Correct Answer: C) CT Scan. 6. What are chemical messengers that go between nerves? A) Neurotransmitters. B) Electric impulse. C) Hormones. D) Endorphins. Show Answer Correct Answer: A) Neurotransmitters. 7. The parasympathetic system releases what type of substance into the axon? A) Adrenalin เนเธฅเธฐ acetylcholine. B) Acetylcholine เนเธฅเธฐ norepinephrin. C) Acetylcholine. D) Adrenalin. Show Answer Correct Answer: C) Acetylcholine. 8. Which of the following is the cause of illusion? A) The brain is tired. B) The brain fails to work. C) The brain misinterprets the signals. D) The signals are not interpreted by the brain. Show Answer Correct Answer: C) The brain misinterprets the signals. 9. When a neuron is resting (not transmitting impulses), the outside of the cell has a ..... A) Net positive charge. B) Net negative charge. C) Net neutral charge. D) None of above. Show Answer Correct Answer: A) Net positive charge. 10. True or FalseThe effects of Cerebral Palsy are all the same no matter what part of the brain is damaged A) True. B) False. Show Answer Correct Answer: B) False. 11. A condition that occurs when the inside of a cell membrane is more negatively charged than the outside. A) Conductivity. B) Depolarized. C) Polarized. D) Reflexes. Show Answer Correct Answer: C) Polarized. 12. Impulses from the eye photoreceptors travel to the brain by the: A) Auditory nerve. B) Electric nerve. C) Impulsic nerve. D) Optic nerve. Show Answer Correct Answer: D) Optic nerve. 13. What organ controls the rest of the nervous system? A) Brain. B) Spinal cord. C) Sense organs. D) Brain and spinal cord. Show Answer Correct Answer: A) Brain. 14. Nerve 10 A) Glossopharyngeal. B) Hypoglossal. C) Vagus. D) Abducting. Show Answer Correct Answer: C) Vagus. 15. The cervical plexus innervates A) Neck. B) Arm. C) Back to the thigh. D) Fingers. Show Answer Correct Answer: A) Neck. 16. An axon is covered by several Schwann cells. If it is severed, will it definitely heal? A) Yes, as long as it is sill alive, and is lined up with the other end of the axon. B) No, it will not heal. C) Maybe, depending on the severity of the injury. D) Yes, but it will take a long time. Show Answer Correct Answer: A) Yes, as long as it is sill alive, and is lined up with the other end of the axon. 17. Which of the following is not one of the traditional five senses? A) Taste. B) Magnetism. C) Sound. D) Sight. Show Answer Correct Answer: B) Magnetism. 18. What do myelin do? A) Passes messages away from the cell body to other neurons, muscles, or glands. B) Receive messages from other cells and sends those electrical signals to the cell body. C) Speed up neural messages. D) Form junctions with other cells. Show Answer Correct Answer: C) Speed up neural messages. 19. The ..... nervous system provides involuntary regulation of smooth muscle and cardiac muscle. A) Peripheral. B) Central. C) Autonomic. D) Sympathetic. Show Answer Correct Answer: C) Autonomic. 20. What is your body's biggest organ? A) Heart. B) Skin. C) Teeth. D) Brain. Show Answer Correct Answer: B) Skin. โ PreviousNext โRelated 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 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books