This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 946 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 946 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What ions are necessary for a nerve impulse to occur? A) Carbon and sodium. B) Oxygen and carbon. C) Potassium and sodium. D) Hydrogen and potassium. Show Answer Correct Answer: C) Potassium and sodium. 2. The outermost membrane of the brain is the ..... A) Skull. B) Dura mater. C) Pia mater. D) Arachnoid mater. Show Answer Correct Answer: B) Dura mater. 3. Deals with the senses A) Parietal Lobe. B) Occipital Lobe. C) Temporal Lobe. D) Frontal Lobe. Show Answer Correct Answer: A) Parietal Lobe. 4. A boat travels at 22 km/hr for 10 hrs, what distance will it travel? A) 220 miles. B) 2.2 km. C) 220 km. D) 22 km. Show Answer Correct Answer: C) 220 km. 5. If something is done by choice, it is ..... ? A) Voluntary. B) Involuntary. C) Valuable. D) Voluminous. Show Answer Correct Answer: A) Voluntary. 6. The innermost layer of skin is A) Dermis. B) Epidermis. C) Stratum layer. D) Hypodermis. Show Answer Correct Answer: D) Hypodermis. 7. Regions of the nervous system containing mostly myelinated axons, making the tissue appear white because of the high lipid content of myelin. A) White Matter. B) Sensation. C) Integration. D) Cerebrospinal Fluid (CSF). Show Answer Correct Answer: A) White Matter. 8. In bright light, your pupil will be A) Larger. B) Smaller. Show Answer Correct Answer: B) Smaller. 9. The basic structural unit of the nervous system A) Dendrites. B) Axon. C) Neuron. D) Afferent. Show Answer Correct Answer: C) Neuron. 10. During which stage of an action potential does extra potassium leave the cell, preventing additional action potentials? A) Depolarization. B) Hyperpolarization. C) Resting potential. D) Repolarization. Show Answer Correct Answer: B) Hyperpolarization. 11. Neurons that are stimulated by external stimuli and communicate the message from the body to the brain are called- A) Motor Neurons. B) Interneurons. C) Sensory neurons. D) None of above. Show Answer Correct Answer: C) Sensory neurons. 12. The parasympathetic division has ..... preganglionic fibers and ..... post ganglionic fibers A) Short, long. B) Long, short. C) Short, short. D) Long, long. Show Answer Correct Answer: B) Long, short. 13. What system carries out messages between the brain and other systems of the body? A) Respiratory system. B) Locomotor system. C) Nervous system. D) Digestive system. Show Answer Correct Answer: C) Nervous system. 14. Smooth muscles A) Somatic. B) Autonomic. Show Answer Correct Answer: B) Autonomic. 15. All animals respond to stimuli at the same speed? A) True. B) False. Show Answer Correct Answer: B) False. 16. What is labeled G? A) Sensory neuron. B) Motor neuron. C) Interneuron. D) Ventral root. Show Answer Correct Answer: C) Interneuron. 17. Spinal nerves and cranial nerves are part of: A) Central nervous system. B) Autonomic nervous system. C) Peripheral nervous system. D) Emergent nervous system. Show Answer Correct Answer: C) Peripheral nervous system. 18. Which do your muscles work with to accomplish movement? A) Skeleton. B) Heart. C) Nerves. D) Lungs. Show Answer Correct Answer: A) Skeleton. 19. The place where all nerves from the retina join to form the optic nerve. Each eye has a ..... where there are no light-sensitive cells A) Aqueous humor. B) Blind spot. C) Cones. D) Cornea. Show Answer Correct Answer: B) Blind spot. 20. What is another name for the neurotransmitters or molecules? A) Chemical compounds. B) Vesicles. C) Sac. D) None of above. Show Answer Correct Answer: A) Chemical compounds. ← 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