This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 890 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 890 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An organism made of one cell is called A) Unicellular organism. B) Multicellular organism. Show Answer Correct Answer: A) Unicellular organism. 2. This is the second largest portion of the brain A) Ceres. B) Diencephalon. C) Cerebellum. D) Brain Stem. Show Answer Correct Answer: C) Cerebellum. 3. What is anything that elicits a reaction? A) Action time. B) Reaction time. C) Stimulus. D) Stimulus. Show Answer Correct Answer: C) Stimulus. 4. Explain the function of dendrites in a neuron. A) Stores energy for the neuron. B) Sends signals to other neurons. C) Regulates the temperature of the neuron. D) Receives signals from other neurons and transmits them to the cell body. Show Answer Correct Answer: D) Receives signals from other neurons and transmits them to the cell body. 5. Thinking and voluntary muscles are controlled by the ..... lobe of the cerebrum. A) Occipital. B) Parietal. C) Frontal. D) Temporal. Show Answer Correct Answer: C) Frontal. 6. Which of the following is an inflammation of meningeal membranes? A) Membranitis. B) Meningealitis. C) Meningitis. D) None of the options. Show Answer Correct Answer: C) Meningitis. 7. Another name for nearsightedness A) Hyperopia. B) Emmetropia. C) Myopia. D) None of above. Show Answer Correct Answer: C) Myopia. 8. Surround axons of neurons within the PNS A) Astrocytes. B) Ependymal cells. C) Microglia. D) Oligodendrocytes. E) Schwann cells. Show Answer Correct Answer: E) Schwann cells. 9. In a typical reflex arc, the receptor sends a signal through what type of neuron? A) Sensory neuron. B) Motor neuron. Show Answer Correct Answer: A) Sensory neuron. 10. Neuron that carries a message from a pain receptor in the skin A) Motor. B) Sensory. C) Interneuron. D) None of above. Show Answer Correct Answer: B) Sensory. 11. Sound waves cause the ..... to vibrate A) Eardrum. B) Cochlea. C) Bones. D) Cochlea. Show Answer Correct Answer: A) Eardrum. 12. It is a protein that accumulates in abnormally high amounts and forms clumps, called plaques that disrupt communication between brain cells and cause inflammation, leading to brain cell death and the development of symptoms such as memory loss, confusion, and difficulty thinking. A) Beta-amyloid. B) Dopamine. C) Pus. D) Steroids. Show Answer Correct Answer: A) Beta-amyloid. 13. Your brain is a soft organ. A) True. B) False. Show Answer Correct Answer: A) True. 14. The patient is in a ..... A) Coma. B) Comatose. Show Answer Correct Answer: A) Coma. 15. The smallest blood vessels of pulmonary circulation A) Larynx. B) Pharynx. C) Bronchioles. D) Pulmonary Capillaries. Show Answer Correct Answer: D) Pulmonary Capillaries. 16. Where is the short cut in pain reflex action? A) At the muscle. B) At the site of pain. C) Spinal cord. D) There is no short cut. Pain messages must first be received in the brain. Show Answer Correct Answer: C) Spinal cord. 17. Controls the involuntary actions of the body like heart rate and brain A) Cerebellum. B) Central Nervous System. C) Dendrite. D) Brainstem. Show Answer Correct Answer: D) Brainstem. 18. The part of your eye that gives it its color. It is a muscle that controls the size of your pupil. A) Cornea. B) Lens. C) Pupil. D) Iris. Show Answer Correct Answer: D) Iris. 19. The brain stem (pons and medulla oblongata) control A) Respiration. B) Auditory. C) Muscle movement. D) Balance. Show Answer Correct Answer: A) Respiration. 20. The peripheral nervous system includes the spinal cord. A) True. B) False. Show Answer Correct Answer: B) False. ← 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