This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 170 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 170 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The brain is the control centre of the body A) True. B) False. Show Answer Correct Answer: A) True. 2. Graded potentials A) Are often all-or-none. B) May be either a depolarization or a hyperpolarization. C) Produce an effect that increases with distance from the point of stimulation. D) Produce an effect that spreads actively across the membrane surface. Show Answer Correct Answer: B) May be either a depolarization or a hyperpolarization. 3. Which nerve fiber transmits nerve impulses towards the soma? A) Axon. B) Dendrite. C) Node of Ranvier. D) Soma. Show Answer Correct Answer: B) Dendrite. 4. Which part of the autonomic nervous system is responsible for the 'fight or flight' response? A) Parasympathetic nervous system. B) Somatic nervous system. C) Enteric nervous system. D) Sympathetic nervous system. Show Answer Correct Answer: D) Sympathetic nervous system. 5. The backbone protects the ..... A) Brain. B) Nerves. C) Spinal cord. D) None of above. Show Answer Correct Answer: C) Spinal cord. 6. Once the impulse continues to travel through the interneurons to the brain. (For a reflex, it just goes to the spinal cord.) ..... What happens next? A) The brain processes the impulse. B) A sensory neuron collects an impulse. C) A motor neuron collects and impulse. D) The impulse "jumps" across the synapse through a neurotranmitter. Show Answer Correct Answer: A) The brain processes the impulse. 7. Division of ANS that regulates resting and nutrition-related functions such as digestion, defecation, and urination A) Sympathetic division. B) Autonomic nervous system. C) Parasympathetic division. D) Central nervous system. Show Answer Correct Answer: C) Parasympathetic division. 8. Chemicals in the air are detected by A) Olfactory epithelium. B) Taste buds. C) Osmoreceptors. D) Ruffini corpuscles. Show Answer Correct Answer: A) Olfactory epithelium. 9. Homeostasis is maintaining a ..... internal environment. A) Reliable. B) Different. C) Constant. D) Heated. Show Answer Correct Answer: C) Constant. 10. ..... is a part of the nervous system that includes the brain and spinal cord A) Peripheral nervous system. B) Endocrine system. C) Central nervous system. D) Receptor. Show Answer Correct Answer: C) Central nervous system. 11. Which part of the brain is responsible for balance? A) Axons. B) Brain stem. C) Cerebrum. D) Cerebellum. Show Answer Correct Answer: D) Cerebellum. 12. Which part of a neuron receives messages? A) Axon terminal. B) Dendrite. C) Cell body. D) Conclusion. Show Answer Correct Answer: B) Dendrite. 13. Which part of the nervous system that allow communication with rest of the body? A) Brain. B) Spinal Cord. C) Neuron. D) Dendrite. E) Axon. Show Answer Correct Answer: B) Spinal Cord. 14. Which of the following neuroglia (glial cells) is NOT found in the CNS? A) Astrocytes. B) Schwann cells. C) Ependymal cells. D) Microglial cells. Show Answer Correct Answer: B) Schwann cells. 15. What cells help to detect colors? A) Cornea. B) Cone cells. C) Retina. D) None of above. Show Answer Correct Answer: B) Cone cells. 16. The nerves that send messages from the body to the brain and spinal cord are called ..... nerves. A) Motor. B) Sensory. C) Mixed. D) Arteries. Show Answer Correct Answer: B) Sensory. 17. What is the function of cerebrospinal fluid in the brain? A) It forms the structure of the brain. B) It contains the choroid plexus. C) It cushions the brain from injury. D) It fills the ventricles. Show Answer Correct Answer: C) It cushions the brain from injury. 18. Hormones cause specific effects by ..... A) Flooding the entire body. B) Targeting specific parts of the brain. C) Targeting specific groups of cells in the body. D) Spreading through the nervous system. Show Answer Correct Answer: C) Targeting specific groups of cells in the body. 19. Identify the neuroglia described:Regulates cerebrospinal fluid A) Astrocytes. B) Ependymal. C) Schwann Cells. D) Oligodendrocytes. E) Microglia. Show Answer Correct Answer: B) Ependymal. 20. Which organ is like a highway system where INFORMATION travels all throughout body? A) Nerves. B) Brain. C) Spinal cord. D) None of above. Show Answer Correct Answer: A) Nerves. ← 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