This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 548 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 548 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When your body receives signals from an external environment and transmits the information to the brain, which body system is being used A) Nervous. B) Outgrowths. C) Digestive. D) Skeletal. Show Answer Correct Answer: A) Nervous. 2. The area that controls involuntary functions. A) Spinal cord. B) Brain stem. C) Central nervous system. D) None of above. Show Answer Correct Answer: B) Brain stem. 3. In the central nervous system (CNS), which type of neurons is primarily responsible for transmitting information between different regions of the brain and spinal cord, it receive information from our senses and relay them to our muscle (response)? A) Relay neurons. B) Sensory neurons. C) Motor neurons. D) Photoreceptors. Show Answer Correct Answer: A) Relay neurons. 4. Activates the "fight or flight" response: A) Sympathetic nervous system. B) Parasympathetic system. C) Somatic nervous system. D) Cerebellum. Show Answer Correct Answer: A) Sympathetic nervous system. 5. My/o, my/o A) Point of contact; to join. B) Medulla oblongata. C) Meninges. D) Split. Show Answer Correct Answer: C) Meninges. 6. Structure surrounding the lens that connects the choroid and iris. It contains ciliary muscles, which control the shape of the lens, and it secretes aqueous humor. A) Iris. B) Sclera. C) Ciliary body. D) Pupil. Show Answer Correct Answer: C) Ciliary body. 7. When potassium channels open A) Potassium ions move into the cell. B) Potassium ions move out of the cell. C) Sodium ions move into the cell. D) Sodium ions move out of the cell. Show Answer Correct Answer: B) Potassium ions move out of the cell. 8. Actions that you do automatically, without you having to think about them, are called ..... A) Fast. B) Flexible. C) Reflex. D) Repeat. Show Answer Correct Answer: C) Reflex. 9. Part of the brain that coordinates movements that start from the motor cortex A) Cerebrum. B) Brain stem. C) Cerebellum. D) Diencephalon. Show Answer Correct Answer: C) Cerebellum. 10. Which is the component of the brain stem (Brain Stem)? A) Forebrain Cerebrum and Medulla oblongata. B) Midbrain Pons and Medulla oblongata. C) Cerebrum Medulla oblongata and Forebrain. D) Forebrain Pons and Medulla oblongata. Show Answer Correct Answer: B) Midbrain Pons and Medulla oblongata. 11. Skin "feels" the following A) Heat, cold, pain, pressure. B) Pain and tickling. C) Heat, cold, temperature. D) None of above. Show Answer Correct Answer: A) Heat, cold, pain, pressure. 12. What is the speed of a man who runs 10 miles in 1 hr? A) 20 miles. B) 10 m/min. C) 10 miles/hr. D) 20 hrs. Show Answer Correct Answer: C) 10 miles/hr. 13. Nerves that extend beyond the end of the spinal cord into the lower portion of the spinal column A) A horse's tail. B) Anterior Fissure. C) Ventral Horn. D) Sacral Plexus. Show Answer Correct Answer: A) A horse's tail. 14. The shaft of the bone is called: A) Diaphysis. B) Epiphysis. C) Endosteum. D) Periosteum. Show Answer Correct Answer: A) Diaphysis. 15. What is the function of the esophagus? A) To further breakdown food with stomach acid. B) To absorb nutrients from the food that you eat. C) To absorb water from the food that you eat. D) To move food from the mouth to the stomach. Show Answer Correct Answer: D) To move food from the mouth to the stomach. 16. The cochlea sends the sound through A) The ear canal to the brain. B) The cochlea to the brain. C) The auditory nerve to the brain. D) None of above. Show Answer Correct Answer: C) The auditory nerve to the brain. 17. Which two senses can warn us of food that has turned bad? A) Sense of sight and taste. B) Sense of hearing and smell. C) Sense of sight and hearing. D) Sense of taste and smell. Show Answer Correct Answer: D) Sense of taste and smell. 18. Which function of the nervous system sends a response from the CNS by activating muscles or glands? A) Motor Function. B) Sensory Function. C) Integrating Function. D) Regulating Function. Show Answer Correct Answer: A) Motor Function. 19. Which of these is NOT a component of the diencephalon? A) Thalamus. B) Pons. C) Pineal gland. D) Hypothalamus. Show Answer Correct Answer: B) Pons. 20. The nerves in the PNS are myelinated by A) Schwann cells. B) Oligodendrocytes. C) Ependymal. D) Astrocytes. Show Answer Correct Answer: A) Schwann cells. ← 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