This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 343 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 343 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Neurons transmit information through ..... changes in the cell membrane. A) Chemical. B) Electrical. Show Answer Correct Answer: B) Electrical. 2. What body system is a slow chemical communicaiton system that secretes hormones via glands into blood stream? A) Endocrine System. B) Central Nervous System. C) Limbic System. D) Peripheral Nervous System. Show Answer Correct Answer: A) Endocrine System. 3. Portion of nerve cell that includes a cytoplasmic mass and n nucleus, and from which nerve fibers extend A) Cell body. B) Axon. C) Basal nucleus. D) Dendrite. Show Answer Correct Answer: A) Cell body. 4. This type of neuron carries information from your senses into the Central Nervous System to let the brain know what is going on outside your body A) Sensory neuron. B) Motor neuron. C) Interneuron. D) Myelin. Show Answer Correct Answer: A) Sensory neuron. 5. True or False:A neuron may have many hundreds of axons but only one dendrite. A) True. B) False. Show Answer Correct Answer: B) False. 6. The function of the ependymal cells is ..... A) Protection of the delicate neuron axon. B) Maintain the health of the neuron. C) Circulates the cerebrospinal fluid. D) Insulate the electrical impulse. Show Answer Correct Answer: C) Circulates the cerebrospinal fluid. 7. What two parts make up the central nervous system? A) Brain and spinal cord. B) Brain and senses. C) Senses and spinal cord. D) Brain and stimuli. Show Answer Correct Answer: A) Brain and spinal cord. 8. Which part of our brain communicates with the peripheral nervous system? A) Spinal cord. B) Cerebellum. C) Frontal lobe. D) Temporal lobe. Show Answer Correct Answer: A) Spinal cord. 9. Why doesn't an action potential travel back up the axon of the neuron? A) Because of the valve. B) The axon is repolarized. C) It is in the relative refractory period. D) It is in the absolute refractory period. Show Answer Correct Answer: D) It is in the absolute refractory period. 10. What is the Pons's job? A) Control center for body functions. B) Controls movement of the the eyes. C) Maintains equilibrium. D) Serves mainly as a pathway for nerve impulses passing to and from the the cerebrum. Show Answer Correct Answer: D) Serves mainly as a pathway for nerve impulses passing to and from the the cerebrum. 11. What is the basic functioning unit of the nervous system? A) Conclusion. B) Reflex. C) Retina. D) Neuron. Show Answer Correct Answer: D) Neuron. 12. It controls all the activities of the body A) Liver. B) Lungs. C) Brain. D) None of above. Show Answer Correct Answer: C) Brain. 13. Released neuro transmitters bind to ..... present on ..... A) Receptors, pre-synaptic neuron. B) Receptors, post-synaptic neurons. C) Ligands, pre-synaptic neurons. D) Ligands, post-synaptic neurons. Show Answer Correct Answer: B) Receptors, post-synaptic neurons. 14. What ion must enter the axon terminal before vesicles containing the neurotransmitters can make their way to the cell wall and release the neurotransmitter? A) Calcium ions (Ca2+). B) Sodium ions (Na+). C) Potassium ions (K+). D) Chloride ions (Cl-). Show Answer Correct Answer: A) Calcium ions (Ca2+). 15. Which is true of the parasympathetic nervous system? A) Short preganglionic neuron / Long postganglionic neuron. B) Synapse near the spinal cord. C) Long preganglionic neuron / Short postganglionic neuron. D) Arises from C1-C6. Show Answer Correct Answer: C) Long preganglionic neuron / Short postganglionic neuron. 16. Bronchoconstriction is happened during sympathetic response A) True. B) False. Show Answer Correct Answer: B) False. 17. Brain is surrounded by a bony box called ..... A) Opinions. B) Cartilage. C) Cranium. D) None of the above. Show Answer Correct Answer: C) Cranium. 18. How many bones are in an adult body? A) 106. B) 206. C) 306. D) 406. Show Answer Correct Answer: B) 206. 19. Name the structure shown by the arrow. A) Cell Body. B) Axon. C) Dendrite. D) None of above. Show Answer Correct Answer: A) Cell Body. 20. This part of my brain is related to balance and muscle coordination A) Brain stem. B) Pons. C) Midbrain. D) Cerebellum. Show Answer Correct Answer: D) Cerebellum. ← 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