This quiz works best with JavaScript enabled. Home > Science > Biology > 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. How are neurons classified by the number of processes extending from the cell body? A) By their size. B) By the number of nuclei. C) By the number of processes extending from the cell body. D) By the length of the axon. Show Answer Correct Answer: C) By the number of processes extending from the cell body. 2. The main part of the neuron is the cell body. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 3. The ..... is located below the cerebrum, towards the back of the brain. A) Medulla. B) Spinal Cord. C) Nerves. D) Cerebellum. Show Answer Correct Answer: D) Cerebellum. 4. This electrochemical signal carries thoughts, emotions, learning and body functions. A) Impulse. B) Stimulus. C) Conclusion. D) None of above. Show Answer Correct Answer: A) Impulse. 5. Nerves are made of billions of nerve cells called ..... A) Neurons. B) Signals. C) Connectors. D) Transmitters. Show Answer Correct Answer: A) Neurons. 6. Which part of a neuron RECIEVES a signal? A) Cell body. B) Axon. C) Dendrite. D) None of above. Show Answer Correct Answer: C) Dendrite. 7. There job is to produce a specificresponse to a detected stimulus. A) Reflex. B) Receptors. C) Effectors. D) Detectors. Show Answer Correct Answer: C) Effectors. 8. I store food, water, and waste. I can be found in all plant cells and in some animal cells. I am smaller in the animal cell. A) Cell wall. B) Cytoplasm. C) Vacuoles. D) Chloroplast. Show Answer Correct Answer: C) Vacuoles. 9. The part of a neuron which is often the receptor from our sense organ is the ..... A) Axon. B) Dendrite. Show Answer Correct Answer: B) Dendrite. 10. Shivering when cold is an example of A) Maintaining homeostasis. B) Voluntary Response. C) Stimulus. D) Information from the environment. Show Answer Correct Answer: A) Maintaining homeostasis. 11. Found in skin, muscles & organs A) Sensory neurons. B) Interneurons. C) Motor neurons. D) None of above. Show Answer Correct Answer: A) Sensory neurons. 12. The brain is the control centre of the body A) True. B) False. Show Answer Correct Answer: A) True. 13. 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. 14. 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. 15. 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. 16. The backbone protects the ..... A) Brain. B) Nerves. C) Spinal cord. D) None of above. Show Answer Correct Answer: C) Spinal cord. 17. 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. 18. 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. 19. 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. 20. Homeostasis is maintaining a ..... internal environment. A) Reliable. B) Different. C) Constant. D) Heated. Show Answer Correct Answer: C) Constant. ← 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