This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 593 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 593 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What do sensory organs do? A) Regulate our heart rate. B) They take in information we need about our environment. C) Conduction of impulses from the spinal cord. D) Understand the impulses from motor neurons. Show Answer Correct Answer: B) They take in information we need about our environment. 2. Action potentials occur when the charge inside the cell switches from negative to positive A) True. B) False. Show Answer Correct Answer: A) True. 3. The sense of sight identifies ..... A) Different smells. B) Different textures. C) Different colors. D) Different tastes. Show Answer Correct Answer: C) Different colors. 4. Part of the central nervous system that is a column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system. Controls reflex action. A) Brain. B) Nerve signal pathways. C) Spinal Cord. D) None of above. Show Answer Correct Answer: C) Spinal Cord. 5. Which of the following is derived from the Basal plate? A) Olivary nucleus. B) Cuneate nucleus. C) Roof. D) Cover. Show Answer Correct Answer: D) Cover. 6. When Brian touches a hot object, which body structures help him react appropriately to protect himself? A) The vertebral column, the interneurons, and the motor neurons. B) The sensory neurons, the interneurons, and the motor neurons. C) The sensory neurons, the vertebral column, and the brain. D) The sensory neurons, the brain, and the motor neurons. Show Answer Correct Answer: B) The sensory neurons, the interneurons, and the motor neurons. 7. What part of a neuron takes information away from the soma? A) Dendrites. B) Axon. C) Myelin Sheath. D) Conclusion. Show Answer Correct Answer: B) Axon. 8. The most basic unit in the nervous system is the (a) A) Axon. B) Soma. C) Sensory cell. D) A neuron. Show Answer Correct Answer: D) A neuron. 9. ..... receptors detect/are activated by movement. A) Chemical. B) Mechanical. C) Light. D) None of above. Show Answer Correct Answer: B) Mechanical. 10. If you touch a hot surface and pull away quickly. what is this action called? A) Reflex action. B) Spinal action. C) Fast action. D) None of above. Show Answer Correct Answer: A) Reflex action. 11. -rrhaphy A) Suture. B) Bursting forth of blood. C) Recording; picture. D) To seize. Show Answer Correct Answer: A) Suture. 12. Which of the following best illustrates homeostasis? A) Most adult humans are between 5 and 6 feet tall. B) The lungs and intestines have large surface area. C) All cells of the body are about the same size. D) When you are hot and your body exchange signals and produce sweat. Show Answer Correct Answer: D) When you are hot and your body exchange signals and produce sweat. 13. Planarians have cephalisation at the anterior part consisting of the brain and the eyespot A) True. B) False. Show Answer Correct Answer: A) True. 14. Visceral sensory (afferent) fibers transmit information from which type of organs? A) Effector organs. B) Visceral organs. C) Skeletal muscles. D) Skin. Show Answer Correct Answer: B) Visceral organs. 15. Cardiac muscles are ONLY located in the heart A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 16. Action Potential:Also called a nerve impulse transmitted by axons. A) Action potential. B) Depolarization. C) Refractory period. D) Hyperpolarization. E) Repolarization. Show Answer Correct Answer: A) Action potential. 17. You have control over these muscles A) Voluntary muscles. B) Involuntary muscles. Show Answer Correct Answer: A) Voluntary muscles. 18. The column of tissue connecting the brain to nerves is ..... A) Spinal cord. B) Central nervous system. C) Peripheral nervous system. D) All of above. Show Answer Correct Answer: B) Central nervous system. 19. What is the function of the dendrites? A) Cells that produce the myelin sheath around the neuron axons. B) The junction of a neuron with another neuron or muscle. C) They are input channels that lead to the neuron's body and convey incoming messages toward the cell body. D) They are long, output channels that extend from a neuron's body that transmit information to different neurons, muscles, and glands. Show Answer Correct Answer: C) They are input channels that lead to the neuron's body and convey incoming messages toward the cell body. 20. The "Fight or Flight" response belongs to which part of the Nervous System? A) Somatic Nervous System. B) Central Nervous System. C) Sympathetic Nervous System. D) Parasympathetic Nervous System. Show Answer Correct Answer: C) Sympathetic Nervous System. ← 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