This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 565 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 565 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A ..... neuron picks up stimuli and converts it to a nerve impulse. A) Inter. B) Motor. C) Sensory. D) Impulse. Show Answer Correct Answer: C) Sensory. 2. ..... are whitish cords made up of bundles of nerve fibers, held together by connective tissue, through which impulses are transmitted. A) Nerves. B) Brain. C) Spinal cord. D) Reflex. Show Answer Correct Answer: A) Nerves. 3. What is the minimum time span of human perception of time? A) One hundredth of a second. B) One tenth of a second. C) One twentieth of a second. D) One thirtieth of a second. Show Answer Correct Answer: C) One twentieth of a second. 4. This image shows how nerve signals travel from one neuron to another. A) True. B) False. Show Answer Correct Answer: A) True. 5. What is the role of the peripheral nervous system in a mammal's body? A) To transmit signals to the brain. B) To maintain homeostasis. C) To control muscle movement. D) To process sensory information. Show Answer Correct Answer: D) To process sensory information. 6. The chronic degenerative neuromuscular disease that results in total body paralysis but does not affect mental acuity is ..... A) Amyotrophic lateral sclerosis. B) Multiple sclerosis. C) Cerebral palsy. D) Parkinson's disease. Show Answer Correct Answer: A) Amyotrophic lateral sclerosis. 7. The autonomic nervous system is a subdivision of the A) CNS. B) Sympathetic NS. C) PNS. D) Parasympathetic NS. Show Answer Correct Answer: C) PNS. 8. Messages are carried from the eye to the brain by the ..... A) Optic nerve. B) Nose. C) Cornea. D) Rod and cone cells. Show Answer Correct Answer: A) Optic nerve. 9. 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. 10. 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. 11. The Biggest WBC A) Basophil. B) Monocytes. C) Eosinophil. D) Neutrophil. E) Lymphocytes. Show Answer Correct Answer: B) Monocytes. 12. 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. 13. 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. 14. 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. 15. 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. 16. Controls the "fight or flight" response A) Sympathetic. B) Parasympathetic. Show Answer Correct Answer: A) Sympathetic. 17. 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. 18. 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. 19. Insulating layer of cells around an axon A) Axon. B) Myelin sheath. C) Collateral axon. D) Dendrite. Show Answer Correct Answer: B) Myelin sheath. 20. 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. ← PreviousNext →Related 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 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books