This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 187 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 187 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This type of sensory receptor detects solutes dissolved in fluid, and also functions in taste and smell. A) Mechanoreceptors. B) Nociceptor. C) Chemoreceptor. D) Thermoreceptor. Show Answer Correct Answer: C) Chemoreceptor. 2. These neurons carry information from interneurons to the effectors. These neurons are found in the muscles. A) Sensory Neurons (Receptor). B) Interneuron (Relay neuron). C) Motor Neuron (Effectors). D) None of above. Show Answer Correct Answer: C) Motor Neuron (Effectors). 3. Refracts A) The bending of light rays so the rays focus on the retina. B) (the eardrum) separates the outer ear from the middle ear. It vibrates when sound waves hit it and transmits the sound waves to the middle ear. C) Inner most layer of the eye. Contains rods and cones. Made of many layers of nerve cells which transmit the light impulses to the optic nerve. D) Outer most layer of the eye. Maintains the shape of the eye. Show Answer Correct Answer: A) The bending of light rays so the rays focus on the retina. 4. Which parts of the brain controls reflexes? A) Cerebral cortex. B) Cerebellum. C) Medulla and Brain stem. D) None of above. Show Answer Correct Answer: C) Medulla and Brain stem. 5. Which structure is a layer of the skin? A) Subcantaneous (Fatty) Layer. B) Follicle. C) Sweat Gland. D) Hair. Show Answer Correct Answer: A) Subcantaneous (Fatty) Layer. 6. Which part of the brain stem contains visual and auditory reflex centers? A) Midbrain. B) Pons. C) Medulla oblongata. D) Thalamus. Show Answer Correct Answer: A) Midbrain. 7. How many muscles are there in our body? A) 129. B) 456. C) 600. D) 732. Show Answer Correct Answer: C) 600. 8. It is a hallow muscular organ located near the center of the chest. A) Teeth. B) Lungs. C) Heart. D) Hand. Show Answer Correct Answer: C) Heart. 9. There are ..... meningeal layers that surround the brain. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 10. What causes an action potential in a neuron A) Release of a neurotransmitter. B) The change of charge in the inside versus the outside of the cell. C) A small stimulus. D) Nothing will cause an action potential. Show Answer Correct Answer: B) The change of charge in the inside versus the outside of the cell. 11. The part of the brain that controls involuntary processes A) Medulla. B) Cerebrum. C) Cerebellum. D) Spinal cord. Show Answer Correct Answer: A) Medulla. 12. A neuron's ability to pass along electrical signals is known as A) Conductivity. B) Contractility. C) Extensibility. D) Excitability. Show Answer Correct Answer: A) Conductivity. 13. Chemical messages sent from the brain A) Cerebral cortex. B) Temporal lobe. C) Neurotransmitters. D) Nodes of Ranvier. Show Answer Correct Answer: C) Neurotransmitters. 14. What is the cornea A) Transparent layer that covers the front of the eye. B) Iris. C) Retina. D) None of above. Show Answer Correct Answer: A) Transparent layer that covers the front of the eye. 15. What parts of the brain does the frontal lobe consist of? A) Cerebrum, thalamus, cerebellum. B) Cerebrum, cerebellum, hypothalamus. C) Cerebrum, thalamus, hypothalamus. D) Cerebrum, cerebellum, pons. Show Answer Correct Answer: C) Cerebrum, thalamus, hypothalamus. 16. What is the function of the small intestine? A) To further breakdown food with stomach acid. B) To absorb nutrients from the food that you eat. C) To absorb water from the food that you eat. D) To move food from the mouth to the stomach. Show Answer Correct Answer: B) To absorb nutrients from the food that you eat. 17. You don't think about a reflex action because: A) The message only has to go to three places in order for you to respond. B) The message only has to go to five places in order for you to respond. C) You have to coordinate your muscles and bones together to respond to stimulus. D) You have to use your brain to think about your response to stimulus. Show Answer Correct Answer: A) The message only has to go to three places in order for you to respond. 18. The spinal cord exist in ..... A) Vertebral column. B) Skull. C) Cerebrum. D) Cerebellum. Show Answer Correct Answer: A) Vertebral column. 19. What kind of joint is found at the shoulder? A) Hinge. B) Ball and socket. C) Pivot. D) Sliding. Show Answer Correct Answer: B) Ball and socket. 20. Involuntary functions that controls the cardiac muscle of the heart and other smooth muscles of the internal organs. A) Efferent Nerves. B) Somatic Nervous System. C) Autonomic Nervous System. D) Afferent Nerves. Show Answer Correct Answer: C) Autonomic Nervous System. ← 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