This quiz works best with JavaScript enabled. Home > Science > Nervous System โ Quiz 445 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Nervous System Quiz 445 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. 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. 4. 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. 5. 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. 6. 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. 7. 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. 8. Nerve 10 A) Glossopharyngeal. B) Hypoglossal. C) Vagus. D) Abducting. Show Answer Correct Answer: C) Vagus. 9. The cervical plexus innervates A) Neck. B) Arm. C) Back to the thigh. D) Fingers. Show Answer Correct Answer: A) Neck. 10. 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. 11. 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. 12. 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. 13. 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. 14. What is your body's biggest organ? A) Heart. B) Skin. C) Teeth. D) Brain. Show Answer Correct Answer: B) Skin. 15. What type of neuron carries signals from the sense organs to and from the brain and spinal cord? A) Sensory neuron. B) Motor neuron. C) Effector neuron. D) Interneuron. Show Answer Correct Answer: A) Sensory neuron. 16. A type of neuron found in the brain and spinal cord that functions to relay information between the brain and the body. A) Interneuron. B) Dendrite. C) Sensory neuron. D) Motor neuron. Show Answer Correct Answer: A) Interneuron. 17. In peripheral nervous system, these receive messages from the CNS and transmit impulses out to peripheral effector organs, like muscles and glands: A) Interneurons. B) Sensory neurons. C) Efferent neurons. D) Glial cells. Show Answer Correct Answer: C) Efferent neurons. 18. What is the main purpose of the breathing system? A) To take in oxygen to the body and remove carbon dioxide from the body. B) To take in carbon dioxide to the body and remove oxygen from the body. C) To take in oxygen to the body and remove water vapour from the body. D) To take in water vapour to the body and remove carbon dioxide from the body. Show Answer Correct Answer: A) To take in oxygen to the body and remove carbon dioxide from the body. 19. The peripheral nervous system consists of all of the nerves and associated cellsthat are ..... of the brain and the spinal cord. A) Are part. B) Are not. Show Answer Correct Answer: B) Are not. 20. Nerve impulses are electrical messages carried by a nerve cell. they can only travel in one direction. why? A) So there is not too much going on. B) Because science. C) CNS and PNS. D) Potato. Show Answer Correct Answer: A) So there is not too much going on. โ PreviousNext โRelated 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 9Nervous System Quiz 10 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books