This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 92 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 92 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which two ions are most important in nerve conduction? A) Sodium and potassium. B) Calcium and argon. C) Sodium and bromine. D) Potassium and oxygen. Show Answer Correct Answer: A) Sodium and potassium. 2. Nearsightedness is also known as ..... A) Myopia. B) Hyperpopia. C) Presbyopia. D) None of the above. Show Answer Correct Answer: A) Myopia. 3. Membranous sacs in the cytoplasm of nerve cells that have ribosomes attached to their surfaces A) Chromatophilic substance. B) Neurilemma. C) Schwann cells. D) Ganglia. Show Answer Correct Answer: A) Chromatophilic substance. 4. Depolarization occurs when the inside of a cell becomes ..... due to ..... gates opening. A) Positive-potassium. B) Negative-potassium. C) Positive-sodium. D) Positive-sodium. Show Answer Correct Answer: C) Positive-sodium. 5. Which division of the nervous system is commonly known to function in a "rest and digest" capacity? A) Central. B) Parasympathetic. C) Sympathetic. D) Somatic. Show Answer Correct Answer: B) Parasympathetic. 6. Bundles of axons and dendrites in the spinal cord are called A) Ganglia. B) Tracts. C) Nerves. D) Centers. Show Answer Correct Answer: B) Tracts. 7. The parasympathetic division is responsible for ..... A) Fight. B) Flight. C) Stress. D) Relaxation. Show Answer Correct Answer: D) Relaxation. 8. A receptor cell that responds to visible light in the electromagnetic spectrum. A) Chemoreceptor. B) Mechanoreceptor. C) Sensory Receptor. D) Photoreceptor. Show Answer Correct Answer: D) Photoreceptor. 9. What part of the brain stem is located superior to the pons? A) Midbrain. B) Medulla. C) Frontal lobe. D) Spinal cord. Show Answer Correct Answer: A) Midbrain. 10. Action Potential:The neuron cannot respond to a second stimulus, no matter how strong. A) Action potential. B) Depolarization. C) Refractory period. D) Hyperpolarization. E) Repolarization. Show Answer Correct Answer: C) Refractory period. 11. The ..... is part of the peripheral nervous system and controls our senses. A) Systemic. B) Autonomic. C) Somatic. D) Autonomous. Show Answer Correct Answer: C) Somatic. 12. The grey matter of the spinal cord is made up of ..... A) Fibres of the neurons. B) Cell bodies of the neurons. C) Cell bodies of the cytons. D) Axons of the neurons. Show Answer Correct Answer: B) Cell bodies of the neurons. 13. In which image can we see a neuron's dendrites marked with an arrow? A) . B) . C) . D) . Show Answer Correct Answer: A) . 14. What are the two (2) major systems of the Peripheral Nervous System? A) Autonomic/Somatic. B) Sensory/Motor. C) CNS/PNS. D) Cranial/Spinal. Show Answer Correct Answer: B) Sensory/Motor. 15. Which is NOT a part of the nervous system? A) Spinal Cord. B) Brain. C) Larynx. D) Peripheral Nerves. Show Answer Correct Answer: C) Larynx. 16. How many pairs of spinal nerves do we have? A) 29. B) 30. C) 31. D) 32. Show Answer Correct Answer: C) 31. 17. Nerve impulse is A) Only electrical. B) Only chemical. C) Electrical along the axon and chemical at the synapse. D) Chemical along the axon and electrical at the synapse. Show Answer Correct Answer: C) Electrical along the axon and chemical at the synapse. 18. What is the white portion of the human eye called? A) Retina. B) Sclera. C) Dyslexia. D) Pupil. Show Answer Correct Answer: B) Sclera. 19. What sense does your parietal lobe control? A) Sight. B) Understanding sounds and speech. C) Touch. D) Smell. Show Answer Correct Answer: C) Touch. 20. What does letter A represent? A) Epineurium. B) Fascicle. C) Blood vessels. D) Skin. Show Answer Correct Answer: A) Epineurium. ← 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