This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 281 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 281 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Part of the brain that controls involuntary functions A) Cerebellum. B) Midbrain. C) Medulla oblongata. D) Cerebrum. Show Answer Correct Answer: C) Medulla oblongata. 2. Brain is protected by A) Vertebrae. B) Skull. C) Ribcage. D) None of above. Show Answer Correct Answer: B) Skull. 3. Movement of the eyeball and raised eyelid, focusing A) Hypoglossal. B) Oculomotor. C) Trochealar. D) Olfactory. Show Answer Correct Answer: B) Oculomotor. 4. What is the function of the Iris in the eye? A) It produces tears. B) It is the hole in the center of the eye that allows light in. C) It is the innermost layer of the eye that contains rods and cones. D) It is the colored part of the eye. Show Answer Correct Answer: D) It is the colored part of the eye. 5. Which part of the nervous system receives information from the senses and makes memories about those senses? A) Central nervous system. B) Peripheral nervous system. C) Reflex nervous systems. D) Homeostatic nervous system. Show Answer Correct Answer: A) Central nervous system. 6. Receptors stimulated by physical forces that cause movement of fluid or vibration within the body are: A) Proprioceptors. B) Chemoreceptors. C) Mechanoreceptors. D) Thermoreceptors. Show Answer Correct Answer: C) Mechanoreceptors. 7. Jacob is a 2-year-old toddler with an upper respiratory infection. He is pulling at his ears. His symptoms include pain, fever, and fluid draining from his right ear. Which sensory disorder is Jacob experiencing? A) Meniere's disease. B) Otitis media. C) Tinnitus. D) Vertigo. Show Answer Correct Answer: B) Otitis media. 8. The central nervous system is conformed by: A) Brain and spinal cordon. B) Brain and lungs. C) Nerves and brain. D) None of above. Show Answer Correct Answer: A) Brain and spinal cordon. 9. The part of the inner ear that converts sound into electrical impulses is called the A) Tympanic membrane. B) Anvil. C) Cochlea. D) Oval window. Show Answer Correct Answer: C) Cochlea. 10. Which nerve is a sensory nerve that conducts impulses associated with the sense of smell A) Olfactory (I). B) Optic (II). C) Trigeminal (B). D) Facial (VII). Show Answer Correct Answer: A) Olfactory (I). 11. An example of a reflex action includes A) Touching a butterfly. B) Brushing your hand against the side of your body. C) Touching a hot stove and removing your hand quickly. D) Your legs moving as you walk. Show Answer Correct Answer: C) Touching a hot stove and removing your hand quickly. 12. The message carried by a neuron A) Cerebellum. B) Cerebrum. C) Medulla oblongata. D) Spinal cord. E) Nerve impulse. Show Answer Correct Answer: E) Nerve impulse. 13. What is the largest part of brain? A) Cerebrum. B) Cerebellum. C) Medulla. D) None of above. Show Answer Correct Answer: A) Cerebrum. 14. What do the semicircular canals of the ear do? A) Help with balance and spatial orientation. B) Amplify sound waves. C) Convert sound waves into electrical signals. D) Protect the eardrum from damage. Show Answer Correct Answer: A) Help with balance and spatial orientation. 15. Which type of neuron carries impulses entirely within the CNS? A) Interneuron. B) Sensory Neuron. C) Motor Neuron. D) Afferent Neuron. Show Answer Correct Answer: A) Interneuron. 16. What are functions of skin? A) Protect Bones. B) Protect Muscles. C) Protect Organs. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. What is a function of a neuroglia cell? A) Protect, support and assist the function of neuron cells. B) Produce force and cause motion. C) Mobility. D) None of above. Show Answer Correct Answer: A) Protect, support and assist the function of neuron cells. 18. What are the main types of cells that make up the nervous system? A) Axons and dendrites. B) Neurons and neuroglial cells. C) Central and peripheral cells. D) Somatic and autonomic cells. Show Answer Correct Answer: B) Neurons and neuroglial cells. 19. What are the three smallest bones in your body? A) Hammer, anvil, and stirrup. B) Pinna, canal, and cochlea. C) Eustachian, pinna, and ear canal. D) Femur, tibia, and teeth. Show Answer Correct Answer: A) Hammer, anvil, and stirrup. 20. Dendrites receive the impulse and conduct them to the ..... A) Cell body. B) Cerebellum. C) Cerebrum. D) Spinal cord. Show Answer Correct Answer: A) Cell body. ← 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