This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 594 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 594 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What detects excessive tension in the muscle A) Muscle spindle. B) Golgi tendon organ. C) Thermorecpetors. D) None of above. Show Answer Correct Answer: B) Golgi tendon organ. 2. Motor neurons carry messages..... A) From the senses to the brain. B) From the brain to the rest of the body. C) From hands to spine. D) From our legs to our brains. Show Answer Correct Answer: B) From the brain to the rest of the body. 3. To process and interpret sensory input and decide if action is needed A) Integration. B) Thinking. C) Action. D) Brain Washin. Show Answer Correct Answer: A) Integration. 4. The somatic NS innervates ..... and releases the neurotransmitter ..... to stimulate contractions. A) Smooth muscles; acetylcholine. B) Smooth muscles; norepinephrine. C) Skeletal muscles; acetylcholine. D) Skeletal muscles; norepinephrine. Show Answer Correct Answer: C) Skeletal muscles; acetylcholine. 5. How many taste buds do we have? A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: C) 4. 6. Myelin/o A) Myelin sheath; covering of a nerve. B) Stupor; a state of near-unconsciousness. C) Brain. D) None of above. Show Answer Correct Answer: A) Myelin sheath; covering of a nerve. 7. Part of your PNS that controls involuntary actions. A) Autonomic Nervous System. B) Central Nervous System. C) Somatic Nervous System. D) None of above. Show Answer Correct Answer: A) Autonomic Nervous System. 8. What connects the brine to the spinal cord A) Nothing. B) The spinal cord. C) Medulla. D) The nerves. Show Answer Correct Answer: C) Medulla. 9. What part of the brain controls the muscles of your body? A) Brain wave. B) Cerebrum. C) Muscle. D) Cerebellum. Show Answer Correct Answer: D) Cerebellum. 10. ..... neurons relay information to each other through a complex electrochemical process, making connections that affect the way you think, learn, move, and behave. A) Some. B) Most. C) All. D) None of above. Show Answer Correct Answer: C) All. 11. Which of the following is the nervous system's main control center? A) The brain. B) The peripheral nerve. C) The neuron. D) The spinal cord, which is made up of peripheral nerves. Show Answer Correct Answer: A) The brain. 12. Match the area of the brain with the appropriate function:Reticular formation A) Includes prefrontal cortex, posterior association areas, and limbic association area. B) Integrates sensory information and memories with emotional response. C) Keeps the cerebral cortex alert and conscious and enhances its excitability. D) Provides precise timing and appropriate patterns of skeletal muscle contraction, allowing smooth, coordinated movements and agility. Show Answer Correct Answer: C) Keeps the cerebral cortex alert and conscious and enhances its excitability. 13. Jessica was telling her friends about how a neuron works. What was she actually telling them about? A) A body cell. B) A nerve cell. C) The CMS. D) The brain stem. Show Answer Correct Answer: B) A nerve cell. 14. Nearly all the messages going into or out of the brain go through this relay station A) Thalamus. B) Pons. C) Amygdala. D) Medulla. Show Answer Correct Answer: A) Thalamus. 15. The sudden change in charge which resulted to the production of high electric charge. A) Dielectric Polarization. B) Depolarization. C) Repolarization. D) Electrical Synapse. Show Answer Correct Answer: B) Depolarization. 16. What channel is opened by stimuli if the local membrane potential reaches a certain threshold? A) Leak ion channel. B) Voltage-gated channel. C) Ligand-gated channel. D) None of above. Show Answer Correct Answer: B) Voltage-gated channel. 17. After deplorization potassium (K+) moves out restoring the inside to a negative voltage A) Repolarization. B) Hyperpolariztion. C) Depolarization. D) Action potential. Show Answer Correct Answer: A) Repolarization. 18. Which is the correct path a message takes when it travels across a neuron? A) From the Dendrites to the axon terminal to the cell body. B) From the cell body to the dendrites to the axon to the nucleus. C) From dendrites to the axon to the axon terminal. D) From the axon terminal to the axon to the dendrites. Show Answer Correct Answer: C) From dendrites to the axon to the axon terminal. 19. Where are multipolar nerves found? A) Motor neurons, interneurons. B) Nose, retina of the eye. C) Sensory neurons in the PNS. D) In the brain. Show Answer Correct Answer: A) Motor neurons, interneurons. 20. Which of the follow is the correct order of events in a reflex? A) Afferent system $\rightarrow$ Efferent System $\rightarrow$ Interneuron. B) Efferent System $\rightarrow$ Afferent system $\rightarrow$ Interneuron. C) Interneuron $\rightarrow$ Afferent system $\rightarrow$ Efferent System. D) Afferent system $\rightarrow$ Interneuron $\rightarrow$ Efferent System. E) Interneuron $\rightarrow$ Efferent System $\rightarrow$ Afferent system. Show Answer Correct Answer: D) Afferent system $\rightarrow$ Interneuron $\rightarrow$ Efferent 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