This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 567 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 567 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is NOT a step in a reflex action? A) Sensory neurons in your hand send impulses to your spinal cord. B) Neurons control voluntary actions to regulate actions that happen automatically. C) Neurons in your spinal cord process the information. D) Muscles contract. E) Messages travel to your brain. Show Answer Correct Answer: B) Neurons control voluntary actions to regulate actions that happen automatically. 2. Part of the nervous system which controls involuntary activities A) Peripheral nervous system. B) Central nervous system. C) Somatic nervous system. D) Autonomic nervous system. Show Answer Correct Answer: D) Autonomic nervous system. 3. The Biggest WBC A) Basophil. B) Monocytes. C) Eosinophil. D) Neutrophil. E) Lymphocytes. Show Answer Correct Answer: B) Monocytes. 4. Which of the following structures controls the amount of light that enters the eye? A) Pupil. B) Retina. C) Lens. D) Conjunctiva. Show Answer Correct Answer: A) Pupil. 5. The inner surface of our finger is very sensitive as it has many ..... A) Nerve fibres. B) Nerve cells. C) Nerve endings. D) Nerve bundles. Show Answer Correct Answer: C) Nerve endings. 6. David, Ethan, and Noah are studying for their biology exam. They are discussing the central nervous system. They agree that two main components are found in the central nervous system. What are these two components? A) Brain/spinal cord. B) Spinal cord/motor neurons. C) Motor/sensory neurons. D) Only brain. Show Answer Correct Answer: A) Brain/spinal cord. 7. Which part of the brain controls the movements and maintains a balance of the body A) Cerebrum. B) Cerebellum. C) Medulla. D) None of above. Show Answer Correct Answer: B) Cerebellum. 8. Controls the "fight or flight" response A) Sympathetic. B) Parasympathetic. Show Answer Correct Answer: A) Sympathetic. 9. This part of a neuron will transmit nerve impulses away from the cell body toward other cells A) Axon. B) Dendrite. C) Cell body. D) Node of ranvier. Show Answer Correct Answer: A) Axon. 10. What part of the brain is the largest area and represents nearly 80% of the brain by weight? A) Brain stem. B) Cerebellum. C) Hippocampus. D) Cerebrum. Show Answer Correct Answer: D) Cerebrum. 11. Insulating layer of cells around an axon A) Axon. B) Myelin sheath. C) Collateral axon. D) Dendrite. Show Answer Correct Answer: B) Myelin sheath. 12. Mirapex (pramipexole) should be taken with food and is used to treatment PD and RLS. A) False. B) True. Show Answer Correct Answer: B) True. 13. Which system functions in actions that no not require immediate response (think rest & digest ): A) Sympathetic. B) Parasympathetic. Show Answer Correct Answer: B) Parasympathetic. 14. T/F:People can be awake during brain surgery. A) True. B) False. Show Answer Correct Answer: A) True. 15. FIGHT OR FLIGHT, EMERGENCY SYSTEM A) SYMPATHETIC NS. B) PARASYMPATHETIC NS. Show Answer Correct Answer: A) SYMPATHETIC NS. 16. Which of the following best describes the structure and function of the Peripheral nervous system? A) Brain and spinal cord. It transmits messages to and from the brain and it controls spinal reflexes. B) Nerves and sensory receptors. Connects CNS to organs, limbs, and skin. C) Nerve cells that carry impulses from CNS to voluntary-skeletal muscles. D) None of above. Show Answer Correct Answer: B) Nerves and sensory receptors. Connects CNS to organs, limbs, and skin. 17. Maintains body functions and restores the body to normal or relaxed mode A) Spinal Nerves. B) Sympathetic. C) Cranial Nerves. D) Parasympathetic. Show Answer Correct Answer: D) Parasympathetic. 18. System responsible for our breathing and other vital functions A) Autonomic NS. B) Somatic NS. C) Central NS. D) Parasympathetic NS. Show Answer Correct Answer: A) Autonomic NS. 19. It is the set of organs that uses information from the senses to control all body systems A) Nervous. B) Central nervous system. C) Spinal cord. D) Brain. Show Answer Correct Answer: A) Nervous. 20. In the sarcoplasm, calcium ions act to ..... A) 1.increase the conduction speed of action potentials transmitted along the sarcolemma. B) 1.release the inhibition on Z discs. C) 1.remove the blocking action of tropomyosin. D) 1.cause ATP binding to actin. E) 1.release synaptic vesicles from the axon terminal. Show Answer Correct Answer: C) 1.remove the blocking action of tropomyosin. ← 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