This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 596 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 596 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. ..... 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. 3. 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. 4. 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. 5. 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. 6. 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. 7. 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. 8. 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. 9. 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. 10. 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. 11. 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. 12. 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. 13. Letter D represents the ..... A) Synaptic cleft. B) Receptor. C) Neurotransmitter. D) Ions. Show Answer Correct Answer: A) Synaptic cleft. 14. A nerve impulse will travel faster if the axon is A) Is unmyelinated. B) Has meninges. C) Surrounded by cerebrospinal fluid. D) Is myelinated. Show Answer Correct Answer: D) Is myelinated. 15. This layer of the meninges is attached to the inner surface of the skull, but is not found in the spinal cord. A) Pia mater. B) Periosteum. C) Arachnoid layer. D) Dura mater. Show Answer Correct Answer: B) Periosteum. 16. Part of a neuron that carries impulses away from the cell body A) Neuron. B) Axon. C) CNS. D) PNS. Show Answer Correct Answer: B) Axon. 17. A stroke may cause A) Brain cells to die. B) Paralysis. C) Loss of normal functions. D) All of the above can be caused by a stroke. Show Answer Correct Answer: D) All of the above can be caused by a stroke. 18. Corpses usually exhibit rigor mortis because ..... A) 1.ATP hydrolysis is stimulating myosin head attachment to actin. B) 1.a lack of ATP hydrolysis prevents myosin head detachment from actin. C) 1.calcium stores become deficient. D) 1.sodium stores become deficient. Show Answer Correct Answer: B) 1.a lack of ATP hydrolysis prevents myosin head detachment from actin. 19. Increases in dopamine would cause what effect on a person? A) Increase in heart rate. B) Depression. C) Happiness. D) Sleepiness. Show Answer Correct Answer: C) Happiness. 20. Nerve 11 A) Glossopharyngeal. B) Hypoglossal. C) Vagus. D) Abducting. Show Answer Correct Answer: B) Hypoglossal. ← 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