This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 425 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 425 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The nerves in your fingertips are part of the ..... nervous system A) Peripheral. B) Central. C) Cardiovascular. D) Interna. Show Answer Correct Answer: A) Peripheral. 2. What does the thalamus do? A) Knowledge and memory. B) Balancing. C) Filling the eyes. D) Expression of pain. Show Answer Correct Answer: D) Expression of pain. 3. The dentrites ..... A) Receive signals. B) Transmit signal. C) Control senses. D) None of above. Show Answer Correct Answer: A) Receive signals. 4. VLight first strikes the ....., which is a clear substance at the front of the eye. A) Lens. B) Cornea. C) Pupil. D) Iris. Show Answer Correct Answer: B) Cornea. 5. The neurons in the spinal cord are part of the ..... nervous system. A) Central. B) Peripheral. C) Somatic. D) Autonomic. Show Answer Correct Answer: A) Central. 6. An axon is considered polarized because ..... A) It is positively charged on the outside and negatively charged on the inside. B) It has the same number of Na+ on the inside and the outside. C) It has all negative charges on the inside and outside. D) No answer is correct. Show Answer Correct Answer: A) It is positively charged on the outside and negatively charged on the inside. 7. Neurons that send information from the environment to the brain are called ..... A) Sensory Neurons. B) Motor Neurons. C) Interneurons. D) None of above. Show Answer Correct Answer: A) Sensory Neurons. 8. The Nervous System is responsible for controlling and coordinating all body functions A) True. B) False. C) Sometimes. D) Not applicable. Show Answer Correct Answer: A) True. 9. Group of nerve fibers that carries nerve impulses downward from the brain through the spinal cord A) Descending tract. B) Ascending tract. C) Plexus. D) Somatic nervous system. Show Answer Correct Answer: A) Descending tract. 10. Which part of the brain controls the balance and posture of our body A) Cerebrum. B) Cerebellum. C) Medulla. D) None of these. Show Answer Correct Answer: B) Cerebellum. 11. An average healthy brain weighs ..... pounds. A) 5. B) 4. C) 2. D) 3. Show Answer Correct Answer: D) 3. 12. Pulls on the lens to change its shape to help focus from near to far distances. A) Cornea. B) Cone Cell. C) Rod Cell. D) Ciliary Body. Show Answer Correct Answer: D) Ciliary Body. 13. Chemicals that assist in passing a signal through the synapse A) Neurotransmitter. B) Axon. C) Nerves. D) Dendrites. Show Answer Correct Answer: A) Neurotransmitter. 14. The part of the neuron that brings information to the cell body A) Dendrite. B) Axon. C) Nucleus. D) None of above. Show Answer Correct Answer: A) Dendrite. 15. Sensory information can be classified as sight touch, hearing, smell, or taste. What category does this belong in:diffusion of cookies baking A) Sight. B) Touch. C) Hearing. D) Smell. E) Taste. Show Answer Correct Answer: D) Smell. 16. Both somatic nervous system and autonomic nervous system has ..... and ..... nerves. A) Afferent, Efferent. B) Apparent, Effective. C) Applied, Enlarged. D) Affect, Effect. Show Answer Correct Answer: A) Afferent, Efferent. 17. ..... is to raw egg white as ..... is to raw egg yolk. A) Protoplasm; nucleus. B) Nucleus; cytoplasm. Show Answer Correct Answer: A) Protoplasm; nucleus. 18. How do nerve impulses move from one neuron to another? A) Chemically. B) Electrically. C) Ionically. D) Electronically. Show Answer Correct Answer: A) Chemically. 19. Neuroarthropathy A) Disease of nerves and joints. B) Eating disorder characterized by uncontrolled binge eating followed by purging. C) Cognitive impairment characterized by loss of intellectual brain function. D) Slight paralysis of half of the body. Show Answer Correct Answer: A) Disease of nerves and joints. 20. Responsible for blood-brain barrier to protect against blood borne infections. A) Astrocytes. B) Oligodendrocytes. C) Microglia. D) Ependymal cells. Show Answer Correct Answer: A) Astrocytes. ← 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