This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 859 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 859 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statement does not illustrate how to properly take care of your skin? A) Scratch your skin if it feels itchy. B) Take a bath everyday. C) Always wear clean clothes. D) None of above. Show Answer Correct Answer: A) Scratch your skin if it feels itchy. 2. The part of the neuron that carries impulses to the neuron cell body is the A) Dendrite. B) Axon. C) Neurolemma. D) Node of Ranvier. Show Answer Correct Answer: A) Dendrite. 3. This part of the body connects bones A) Torso. B) Muscles. C) Skull. D) Joints. Show Answer Correct Answer: D) Joints. 4. Condition in which a defect results in light rays focusing behind the retina rather than directly on it; causes images up close to appear blurry; farsightedness A) Hyperopia. B) Myopia. C) Diabetic retinopathy. D) Blepharitis. Show Answer Correct Answer: A) Hyperopia. 5. Whitish, fatty material that covers axons and helps to insulate the nerve A) Nodes. B) Myelin sheath. C) Phospholipid membrane. D) Gated channels. Show Answer Correct Answer: B) Myelin sheath. 6. Our brain looks like A) An apple. B) An orange. C) A walnut. D) None of above. Show Answer Correct Answer: C) A walnut. 7. What kind of system involves all the bones of the body? A) Circulatory system. B) Respiratory system. C) Skeletal system. D) Support system. Show Answer Correct Answer: C) Skeletal system. 8. What is an involuntary response? A) Neurotransmitter. B) Reflex. Show Answer Correct Answer: B) Reflex. 9. Which of the following voltages would most likely be measured during the relative refractory period? A) +30 mV. B) 0 mV. C) -45 mV. D) -80 mV. Show Answer Correct Answer: D) -80 mV. 10. Many excitatory neurotransmitters cause the opening of channels that allow for the flow of ..... A) Na+ only. B) Cl-only. C) K+ only. D) Both Na+ and K+. Show Answer Correct Answer: D) Both Na+ and K+. 11. Which of these is the last event of a nerve impulse? A) Neuron at rest is polarized. B) Sodium-potassium pump restores ion balance. C) Stimulus changes membrane permeability. D) Repolarization-membrane returns to resting state. Show Answer Correct Answer: B) Sodium-potassium pump restores ion balance. 12. What part of your brain controls balance? A) Cerebrum. B) Cerebellum. C) Brain stem. D) Spinal cord. Show Answer Correct Answer: B) Cerebellum. 13. Find the answer that best describes homeostasis regulation in the human body. A) Amount of sunlight, aerobic and anaerobic respiration. B) Amount of sleep, temperature, and blood flow. C) Temperature, water, sugar level and sodium. D) Calcium, passive transport, ATP and blinking rate. Show Answer Correct Answer: C) Temperature, water, sugar level and sodium. 14. This deep groove divides the cerebrum into right and left cerebral hemispheres. A) Central Sulcus. B) Longitudinal Sulcus. C) Longitudinal Fissure. D) Central Fissure. Show Answer Correct Answer: C) Longitudinal Fissure. 15. The amygdala, the hypothalamus and the hippocampus are a part of A) Limbic system. B) Cerebral cortex. C) Hindbrain. D) Forebrain. Show Answer Correct Answer: A) Limbic system. 16. The letters PNS stands for what? A) Personal Nervous System. B) Personal Nervous System. C) Peripheral Nerve Signs. D) Peripheral Nervous System. Show Answer Correct Answer: D) Peripheral Nervous System. 17. Autoimmune disease characterized by degeneration or scaring of the myelin sheath. A) Osteoporosis. B) Multiple Sclerosis. C) Alzheimer's Disease. D) Parkinson's Disease. Show Answer Correct Answer: B) Multiple Sclerosis. 18. The neuron's life support that contains the nucleus is: A) Soma. B) Dendrites. C) Myelin Sheaths. D) Axon. Show Answer Correct Answer: A) Soma. 19. Mark the following statement if it is part of the PNS or CNS.includes nerves A) Peripheral Nervous System. B) Central Nervous System. Show Answer Correct Answer: A) Peripheral Nervous System. 20. Which of the following is an effector in the body's reaction to being too hot? A) Sensory nerve. B) Hypothalamus. C) Muscles of arm. D) Temperature receptors in the skin. Show Answer Correct Answer: C) Muscles of arm. ← 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