This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 503 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 503 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What part of the neuron passes messages through its branches to other neurons or to muscles or glands? A) Conclusion. B) Axon. C) Myelin Sheath. D) Dendrite. Show Answer Correct Answer: B) Axon. 2. Which imaging technique identifies abnormal tissue metabolism? A) CT Scan. B) PET Scan. C) Stereotaxy. D) Encephalography. Show Answer Correct Answer: B) PET Scan. 3. Skin surface areas that are supplied by a single spinal nerve are called ..... A) Myotomes. B) Sensatomes. C) Sensation regions. D) Dermatomes. Show Answer Correct Answer: D) Dermatomes. 4. The movement of sodium and potassium ions across a cell membrane is called a(n) A) Resting potential. B) Impulse. C) Neurilemma. D) Conclusion. Show Answer Correct Answer: B) Impulse. 5. What part of the brain determines emotional reaction, especially involving excitement or fear? A) Brain stem. B) Prefrontal cortex. C) Hypothalamus. D) Amygdala. Show Answer Correct Answer: D) Amygdala. 6. What are the 4 ventricles of the brain filled with? A) Blood. B) Water. C) Cerebrospinal fluid. D) Serous fluid. Show Answer Correct Answer: C) Cerebrospinal fluid. 7. Liquid part of the blood. 90% water. A) Platelet. B) Plasma. C) Red Blood Cell. D) White Blood Cell. Show Answer Correct Answer: B) Plasma. 8. One example of how the nervous system interacts with circulatory system A) Nervous and circulatory system are connected by the heart, the nervous system controls the heart function and fluid circulation. B) Works closly to brain to control horomones. C) Tells the smooth muscile when to contract and diolate. D) None of above. Show Answer Correct Answer: A) Nervous and circulatory system are connected by the heart, the nervous system controls the heart function and fluid circulation. 9. Nerve impulse travels through sensory neuron to ..... A) Medulla oblongata. B) Brain. C) Spinal cord. D) None of above. Show Answer Correct Answer: C) Spinal cord. 10. The sodium-potassium pump usually pumps A) Only potassium ions and sugar molecules. B) Potassium ions out of the cell. C) Sodium ions into the cell. D) Potassium ions into the cell. Show Answer Correct Answer: D) Potassium ions into the cell. 11. How fast can a nerve impulse travel? A) 65 mph. B) 520 mph. C) 320 mph. D) 125 mph. Show Answer Correct Answer: C) 320 mph. 12. This cell is a phagocytic immune cell found in the CNS A) Oligodendrocyte cell. B) Astrocyte cell. C) Ependymal cell. D) Microglia cell. Show Answer Correct Answer: D) Microglia cell. 13. Which system refers to parts of the nervous system outside the CNS? A) Secondary Nervous System. B) Peripheral Nervous System. C) Perimetric Nervous System. D) Potential Nervous System. Show Answer Correct Answer: B) Peripheral Nervous System. 14. Eustachian tubes connect: A) Outer ear to the surface. B) Middle ear to the pharynx. C) Middle ear to the tympanic membrane. D) Inner ear to the middle ear. Show Answer Correct Answer: B) Middle ear to the pharynx. 15. Muscle or gland that brings about a coordinated response A) Effectors. B) Receptors. C) Stimulus. D) Threshold. Show Answer Correct Answer: A) Effectors. 16. There are two kinds of nerves. One is motor nerves and the other is ..... A) Sensory nerves. B) Optic nerves. Show Answer Correct Answer: A) Sensory nerves. 17. Muscles always work in ..... A) Teams. B) Group of three. C) Pairs. D) Alone. Show Answer Correct Answer: C) Pairs. 18. A temporary blockage of an artery in the brain. A) Blood Clot. B) TIA. C) MI. D) Osteoporosis. Show Answer Correct Answer: B) TIA. 19. Moves eyes laterally away from the nose A) Abducting. B) Facial. C) Trigeminal. D) Accessory. Show Answer Correct Answer: A) Abducting. 20. Another name for sensory neurons A) Afferent. B) They will bring it out. C) Interneuron. D) Nerve. Show Answer Correct Answer: A) Afferent. ← 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