This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 653 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 653 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which part of the neuron receive signals and conduct the impulses to the body? A) Dendrites. B) Cell body. C) Axon. D) Axon ending. Show Answer Correct Answer: A) Dendrites. 2. The conduction of action potentials in a myelinated nerve fiber is A) Saltatory. B) Without decrement. C) Faster than in an unmyelinated fiber. D) All of the above. Show Answer Correct Answer: D) All of the above. 3. Which Neurotransmitter stimulates memory? A) Nitric oxide. B) GABA. C) Dopamine. D) Acetylcholine. Show Answer Correct Answer: A) Nitric oxide. 4. The polarisation of neurons is caused by more ..... ions outside the axon membrane. A) Already. B) Ca. C) $O_2$. D) H. Show Answer Correct Answer: A) Already. 5. The membrane potential is about ..... of a resting neuron A) -70mV. B) -55mV. C) -90mV. D) None of above. Show Answer Correct Answer: A) -70mV. 6. The type of neuron that is responsible for carrying nerve impulses to the CNS are called ..... A) Sensory. B) Muscle. C) Motor. D) Interneurons. Show Answer Correct Answer: A) Sensory. 7. A specialized, impulse-conducting cell that is a functional unit of the nervous system. A) Axon. B) Neuron. C) Dendrite. D) Conclusion. Show Answer Correct Answer: B) Neuron. 8. True or False.-rrhaphy = suture A) False. B) True. Show Answer Correct Answer: B) True. 9. What is umami taste A) Sweet. B) Sour. C) Savory. D) Salty. Show Answer Correct Answer: C) Savory. 10. Which part of the brain serves as the control center for the autonomic nervous system? A) Cerebellum. B) Cerebrum. C) Medulla Oblongata. D) Pons. Show Answer Correct Answer: C) Medulla Oblongata. 11. The ..... consists of nerves, receptors, ganglia, and synapses outside the CNS. A) Central nervous system. B) Somatic nervous system. C) Sympathetic division of the autonomic nervous system. D) Parasympathetic division of the autonomic nervous system. E) Afferent division of the peripheral nervous system. Show Answer Correct Answer: E) Afferent division of the peripheral nervous system. 12. A nerve that stimulates skeletal muscle tissue A) Afferent nerves. B) Motor neurons. C) Efferent nerves. D) Astrocytes. Show Answer Correct Answer: B) Motor neurons. 13. What part of the nerve cell conducts current? Nerve enters the cell A) Axon. B) Dendrites. C) Cell body. D) All are correct. Show Answer Correct Answer: B) Dendrites. 14. Glial cell that form myelin sheath in the PNS A) Microglial cells. B) Satellite cells. C) Astrocytes. D) Schwann cells. E) Oligodendrocytes. Show Answer Correct Answer: D) Schwann cells. 15. Which ion triggers the release of the neurotransmitter into the synaptic cleft? A) Sodium. B) Potassium. C) Calcium. D) Chloride. Show Answer Correct Answer: C) Calcium. 16. The "sodium-potassium pump" pumps..... A) Sodium ions out and potassium ions in. B) Sodium ions in and potassium ions out. C) Sodium and potassium ions in. D) Sodium and potassium ions out. Show Answer Correct Answer: A) Sodium ions out and potassium ions in. 17. The part of the nervous system consisting of the brain and spinal cord: A) Central nervous system. B) Peripheral nervous system. C) Autonomic nervous system. D) Parasympathetic system. Show Answer Correct Answer: A) Central nervous system. 18. The ..... part of the peripheral nervous system is composed of the somatic and autonomic nervous systems. A) Motor. B) Sensory. C) Cord. D) Nerve. Show Answer Correct Answer: A) Motor. 19. This sense lets you know where all your body parts are A) Sensation. B) Proprioception. C) Cognition. D) Synaptic pruning. Show Answer Correct Answer: B) Proprioception. 20. Interprets information/messages and decides action(s) to implement A) Brain. B) Spinal Cord. C) Nerves. D) Ganglion cells. Show Answer Correct Answer: A) Brain. ← 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