This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 814 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 814 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Largest part of a typical neuron; contains the nucleus and much of the cytoplasm A) Neurons. B) Axon. C) Dendrites. D) Cell body. Show Answer Correct Answer: D) Cell body. 2. The cerebellum is at the base and the back of the brain. The cerebellum is responsible for ..... A) Vision. B) Balance and coordination. C) Thinking and voluntary movement. D) Breathing, heart rate and blood pressure. E) Maintaining body temperature, water balance and metabolism. Show Answer Correct Answer: B) Balance and coordination. 3. What is inside of the Cochlea? A) Liquid, and tiny hairs. B) Water, and tiny hairs. C) Acid, and hairs. D) Water, and fuzz. Show Answer Correct Answer: A) Liquid, and tiny hairs. 4. The messengers of the body are the ..... A) Spinal cord. B) Nerves. C) Brain. D) None of above. Show Answer Correct Answer: B) Nerves. 5. What is the most common surgery in the United States A) Hyperopia Surgery. B) Myopia Surgery. C) Glaucoma Reduction Surgery. D) Cataract Removal Surgery. Show Answer Correct Answer: D) Cataract Removal Surgery. 6. Explain pupil. (part of eye) A) Coloured part of the eye. B) Black part of the eye. C) Black spot in front of the eye. It is the opening through which light enters the eye. D) None of above. Show Answer Correct Answer: C) Black spot in front of the eye. It is the opening through which light enters the eye. 7. What is the name of the colored part of the eye? A) Pupil. B) Iris. C) Cornea. D) Lens. Show Answer Correct Answer: B) Iris. 8. The lobe of the brain for hearing and memories? A) Frontal. B) Parietal. C) Occipital. D) Temporal. Show Answer Correct Answer: D) Temporal. 9. Blinking is an example of a ..... A) Subflex. B) Biflex. C) Reflex. D) Duroflex. Show Answer Correct Answer: C) Reflex. 10. What is the threshold for NA channel to open? A) -30 mV. B) 50 mV. C) -50 mV. D) 30 mV. Show Answer Correct Answer: C) -50 mV. 11. Can your brain override a reflex reponse? A) Yes. B) No. Show Answer Correct Answer: A) Yes. 12. Which group of blood cells play a role in the body's defense mechanism? A) RBC. B) WBC. C) Platelet. D) None of above. Show Answer Correct Answer: B) WBC. 13. What is the name of the process that returns a stimulated neuron back to its resting potential? A) Depolarization. B) Repolarization. C) Action potential. D) Stimulation. Show Answer Correct Answer: B) Repolarization. 14. The lobe of the brain responsible for vision? A) Frontal. B) Parietal. C) Occipital. D) Temporal. Show Answer Correct Answer: C) Occipital. 15. When a neuron is depolarized, what are the first channels to open? A) Sodium. B) Potassium. C) Calcium. D) ACTH. Show Answer Correct Answer: A) Sodium. 16. What happens to the eardrum when sound hits, causing transmission of sound to the inner ear? A) It opens. B) It grows hair. C) It refracts the sound. D) It vibrates. Show Answer Correct Answer: D) It vibrates. 17. What is the primary role of the interneuron (association neuron)? A) Carry information from the central nervous system to muscles and/or the viscera. B) Form a lipid-protein (lipoprotein) cell membrane on the outside of axons. C) Transmit nerve impulses from the skin and organs to the central nervous system. D) Connect motor and sensory neurons in their pathways. E) Detect the amount of stretch in skeletal muscles or tendons and their joints. Show Answer Correct Answer: D) Connect motor and sensory neurons in their pathways. 18. Where do nerve impulses travel along to reach visual processing areas within the cerebral cortex? A) Abduct the nerves. B) Olfactory nerves. C) Trochlear nerves. D) Optic nerves. Show Answer Correct Answer: D) Optic nerves. 19. Efferent neurons; carry instructions from the CNS to muscles and glands A) Neurons. B) Motor neurons. C) Somatic nervous system. D) Sensory neurons. Show Answer Correct Answer: B) Motor neurons. 20. BUNDLES OF NEURONS THAT EXTEND FROM THE BRAIN AND SPINAL CORD TO OTHER PARTS OF THE BODY A) SPASMS. B) AXONS. C) DENDRITES. D) NERVES. Show Answer Correct Answer: D) NERVES. ← 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