This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 313 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 313 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following occur at the end of the depolarization phase of an action potential? A) Potassium channels close. B) Sodium channels open. C) Potassium channels open and sodium channels close. D) Sodium channels open and potassium channels close. Show Answer Correct Answer: C) Potassium channels open and sodium channels close. 2. Allows the brain to control our muscles. A) Motor Nerves. B) Sensory Nerves. C) Autonomic Nervous System. D) None of above. Show Answer Correct Answer: A) Motor Nerves. 3. The Central Nervous System controls A) The whole body. B) The skeletal system only. C) The endocrine ( hormone) system only. D) None of above. Show Answer Correct Answer: A) The whole body. 4. This thin layer of skin separates the outer and middle ear A) Hammer. B) Eardrum. C) Stirrup. D) Anvil. Show Answer Correct Answer: B) Eardrum. 5. All of the structures of the CNS originate from the (a) A) A neural tube. B) Cerebellum. C) Telencephalon. D) Hindbrain. Show Answer Correct Answer: A) A neural tube. 6. Neurons that function is to connect neurons with one another is ..... A) Sensory Neurons (Afferent). B) Motor Neurons (Efferent). C) Connector Neurons (Interneuron). D) None of above. Show Answer Correct Answer: C) Connector Neurons (Interneuron). 7. The portion of the nervous system that tells you what to pay attention to and is affected by trauma is the A) ANS. B) CNS. C) PNS. D) RAS. Show Answer Correct Answer: D) RAS. 8. ..... is the term used to describe the movement of potassium ions to the inside of a neuron, and ..... is the term used to describe excess potassium ions moving to the outside of a neuron. A) Repolarization; hyperpolarization. B) Hyperpolarization; depolarization. C) Polarization; hyperpolarization. D) Repolarization; depolarization. E) None of the above. Show Answer Correct Answer: A) Repolarization; hyperpolarization. 9. A suddent and violent contraction of one or more voluntary muscles is called a(n): A) Concussion. B) Coma. C) Spasm. D) Convulsion. Show Answer Correct Answer: D) Convulsion. 10. Letters A, B, C, & G ALL make up what part of the brain? A) Cerebellum. B) Cerebrum. C) Brain Stem. D) None of above. Show Answer Correct Answer: B) Cerebrum. 11. This is the difference between the chemical composition inside and outside the cell A) Action Potential. B) Membrane Potential. C) Resting Potential. D) Post synaptic potential. Show Answer Correct Answer: B) Membrane Potential. 12. A dog is startled by a gunshot. Which of the following sympathetic effects are most likely to occur? A) Constriction of the pupils, increased heart rate, and urination. B) Dilation of the pupils, increased heart rate, and urination. C) Dilation of the pupils, increased heart rate, and lack of urination. D) Constriction of the pupils, decreased heart rate, and lack of urination. Show Answer Correct Answer: C) Dilation of the pupils, increased heart rate, and lack of urination. 13. The phase where the neuron is at rest or not relaying any signal. A) Kinetic Potential. B) Passive Potential. C) Resting Potential. D) Action Potential. Show Answer Correct Answer: C) Resting Potential. 14. How many pair of Cranial Nerves? A) 6 Pair. B) 7 Pair. C) 2 Pair. D) 12 Pair. Show Answer Correct Answer: D) 12 Pair. 15. Which is NOT a common disease of the Nervous System? A) Alzheimer's. B) Stroke. C) Diabetes. D) Parkinson's. Show Answer Correct Answer: C) Diabetes. 16. Transport system for the neuron, ribosomes attach here A) Integrative. B) Motor. C) Autonomic. D) Chromatophilic substance. Show Answer Correct Answer: D) Chromatophilic substance. 17. What % of blood is in the brain at all times? A) 10%. B) 15%. C) 20%. D) 40%. Show Answer Correct Answer: B) 15%. 18. Another name for motor neurons is A) Efferent neurons. B) Afferent neurons. C) Somatic neurons. D) Sympathetic neurons. E) Parasympathetic neurons. Show Answer Correct Answer: A) Efferent neurons. 19. What is the name of the largest part of the human brain? A) Cerebellum. B) Cerebrum. C) Medulla. D) Pons. Show Answer Correct Answer: B) Cerebrum. 20. Which of the following receptor types is incorrectly matched with the sensation it detects? A) Mechanoreceptors; pain. B) Thermoreceptors; temperature. C) Photoreceptors; light. D) Chemoreceptors; chemicals. Show Answer Correct Answer: A) Mechanoreceptors; pain. ← 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