This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 944 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 944 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. If something is done by choice, it is ..... ? A) Voluntary. B) Involuntary. C) Valuable. D) Voluminous. Show Answer Correct Answer: A) Voluntary. 3. The innermost layer of skin is A) Dermis. B) Epidermis. C) Stratum layer. D) Hypodermis. Show Answer Correct Answer: D) Hypodermis. 4. 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. 5. In bright light, your pupil will be A) Larger. B) Smaller. Show Answer Correct Answer: B) Smaller. 6. The basic structural unit of the nervous system A) Dendrites. B) Axon. C) Neuron. D) Afferent. Show Answer Correct Answer: C) Neuron. 7. 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. 8. 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. 9. 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. 10. 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. 11. Smooth muscles A) Somatic. B) Autonomic. Show Answer Correct Answer: B) Autonomic. 12. All animals respond to stimuli at the same speed? A) True. B) False. Show Answer Correct Answer: B) False. 13. What is labeled G? A) Sensory neuron. B) Motor neuron. C) Interneuron. D) Ventral root. Show Answer Correct Answer: C) Interneuron. 14. 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. 15. Which do your muscles work with to accomplish movement? A) Skeleton. B) Heart. C) Nerves. D) Lungs. Show Answer Correct Answer: A) Skeleton. 16. 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. 17. 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. 18. Organs working together to perform the same function is called an ..... ? A) Cells. B) Tissues. C) Organ system. D) Organs. Show Answer Correct Answer: C) Organ system. 19. The lower chamber of the heart is called: A) Ventricle. B) Atrium. C) Aorta. D) Veins. Show Answer Correct Answer: A) Ventricle. 20. Read the following and decide if it is part of the CNS or PNS '' autonomic nervous system" A) CNS. B) PNS. C) None of the above. D) None of above. Show Answer Correct Answer: B) PNS. ← 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