This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 520 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 520 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The Central Nervous system includes what two parts? A) Brain and Nerves. B) Brain and Spinal Cord. C) Spinal cord and Nerves. D) Nerves and Neurons. Show Answer Correct Answer: B) Brain and Spinal Cord. 2. Rods and cones are found in the A) Pupil. B) Cornea. C) Iris. D) Retina. Show Answer Correct Answer: D) Retina. 3. Multiple Sclerosis (MS) affects which part of the neuron? A) Myelin Sheath. B) Synapses. C) Soma. D) Neurotransmitters. Show Answer Correct Answer: A) Myelin Sheath. 4. The structures in which part of the ear amplify the intensity of sound vibrations? A) Outer ear. B) Middle ear. C) Inner ear. D) No amplification takes place. Show Answer Correct Answer: B) Middle ear. 5. Blood circulation A) Smooth blood circulation. B) Bloody. C) Blood circulation. D) None of above. Show Answer Correct Answer: C) Blood circulation. 6. When blood glucose (sugar) is high, the negative feedback mechanism is to produce which hormone? A) Glucagon. B) Glycogen. C) Insulin. D) Pancreas. Show Answer Correct Answer: C) Insulin. 7. These cells create a supportive framework for neurons A) Astrocytes. B) Axon. C) Neuroglia. D) Dendrites. Show Answer Correct Answer: C) Neuroglia. 8. Which cell relays messages from one tissue to another? A) Red Blood Cell-RBC. B) White Blood Cell-WBC. C) Neuron. D) Tissue. Show Answer Correct Answer: C) Neuron. 9. A change in the environment that causes a response is called a A) Conclusion. B) Reaction. C) Stimulus. D) Receptor. Show Answer Correct Answer: C) Stimulus. 10. The connection between two neurons or an effector (at an axon bulb and dendrites) is called ..... A) An affector. B) A synapse. C) A transmitter. D) None of above. Show Answer Correct Answer: B) A synapse. 11. ..... are branches that extend from the neuron's body and are connected to the neighbouring neurons. A) Dendrites. B) Axon terminals. C) Conclusion. D) None of above. Show Answer Correct Answer: A) Dendrites. 12. Neuron with several dendrites and one axon; most efferent neurons A) Bipolar. B) Unipolar. C) Multipolar. D) Polar. Show Answer Correct Answer: C) Multipolar. 13. ..... are glial cells that maintain tissue around neurons and form the blood-brain barrier A) Astrocytes. B) Microglial. C) Ependymal. D) Oligodendrocytes. Show Answer Correct Answer: A) Astrocytes. 14. This is the control center of the body. It includes the brain and spinal cord: A) Lymphatic System. B) Endocrine System. C) Central Nervous System. D) Digestive System. E) Respiratory System. Show Answer Correct Answer: C) Central Nervous System. 15. What part of the eye is #4 pointing to? A) Iris. B) Pupil. C) Sclera. D) Cornea. E) Retina. Show Answer Correct Answer: E) Retina. 16. Which ions are the main source of depolarization in neurons? A) Potassium and calcium. B) Calcium and sodium. C) Sodium and potassium. D) Iron and sodium. Show Answer Correct Answer: C) Sodium and potassium. 17. How many hemispheres is the brain divided into? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 18. In a neuron, cell processes that receive information and carry it to the cell body are called A) Dendrites. B) Axons. C) Cell bodies. D) Nissl bodies. Show Answer Correct Answer: A) Dendrites. 19. True or False:The cerebellum helps us keep our balance. A) True. B) False. C) NEVER!. D) None of above. Show Answer Correct Answer: A) True. 20. Changes in the environment. A) Stimulus. B) Effectors. C) Central nervous system. D) Nerve. Show Answer Correct Answer: A) Stimulus. ← 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