This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 112 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 112 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This part of the system takes in information from the senses and responds to it; includes the brain and spinal cord A) Axon. B) Central Nervous System. Show Answer Correct Answer: B) Central Nervous System. 2. Define response. A) Change in an organism's environment that causes it to react. B) How the organism reacts to the stimulus. Show Answer Correct Answer: B) How the organism reacts to the stimulus. 3. What are sensory nerves A) The nerves which bring messages from sense organs. B) The nerves which bring messages from muscles and glands. C) The nerves which bring messages from brain. D) None of above. Show Answer Correct Answer: A) The nerves which bring messages from sense organs. 4. What is the correct sequence of these events that follow a threshold potential? 1.The membrane becomes depolarized. 2.Sodium channels open and sodium ions diffuse inward. 3.The membrane becomes repolarized. 4.Potassium channels open and potassium ions diffuse outward. A) 1, 2, 3, 4. B) 2, 4, 3, 1. C) 2, 1, 3, 4. D) 2, 1, 4, 3. Show Answer Correct Answer: D) 2, 1, 4, 3. 5. What does the Peripheral Nervous System (PNS) include? A) Brain and spinal cord. B) Spinal and cranial nerves. C) Autonomic and somatic nerves. D) Sympathetic and parasympathetic nerves. Show Answer Correct Answer: B) Spinal and cranial nerves. 6. What is the name of the neurotransmitter that is released at the neuromuscular junction to stimulate muscle contraction? A) A. Dopamine. B) B. Serotonin. C) C. Acetylcholine. D) Mr. GABA. Show Answer Correct Answer: C) C. Acetylcholine. 7. The name of the specialised gap between 2 neurons A) Dendrites. B) Terminal buttons. C) Synaptic Vesicles. D) Conclusion. Show Answer Correct Answer: D) Conclusion. 8. This structure is the outer coating of the eye ball. A) Cornea. B) Iris. C) Optic nerve. D) None of above. Show Answer Correct Answer: A) Cornea. 9. Which of the following is NOT responsible for the protection of the brain A) Meninges. B) Frontal lobe. C) Temporal bone. D) Cerebrospinal fluid. Show Answer Correct Answer: B) Frontal lobe. 10. What is known as the coverings around the brain and spine that helps cushion, protect and nourish the brain and spinal cord? A) Fluids. B) Meninges. C) Skull. D) None of above. Show Answer Correct Answer: B) Meninges. 11. If there is damage to the cerebellum, which type of deficit would you expect to see? A) Hearing severely compromised. B) Unable to walk/run. C) Vision severely compromised. D) Uncontrollable crying/emotions. Show Answer Correct Answer: B) Unable to walk/run. 12. What is the long term cure for MS? A) Surgery to remove the myelin sheath. B) Medications to stop your immune system. C) Surgery to add extra myelin sheath. D) There is no cure for MS. Show Answer Correct Answer: D) There is no cure for MS. 13. Which of the following best describes the electrical state of a neuron at rest? A) The inside of a neuron is more negatively charged than the outside. B) The outside of a neuron is more negatively charged than the inside. C) The inside and the outside of a neuron have the same electrical charge. D) Potassium ions leak into a neuron at rest. Show Answer Correct Answer: A) The inside of a neuron is more negatively charged than the outside. 14. Which of the following CANNOT be classified as Peripheral neuropathy? A) Epilepsy. B) Guillain-Barré syndrome. C) Bell's palsy. D) Neuralgia. Show Answer Correct Answer: A) Epilepsy. 15. Occur without thinking and serve as many of the body system functions such as the heart beating and breathing A) Sympathetic system. B) Knee jerk reflex. C) Central nervous system. D) Involuntary reflex. E) Sensory neurons. Show Answer Correct Answer: D) Involuntary reflex. 16. What reflexes stimulate skeletal muscles? A) Somatic. B) Pupillary. C) Autonomic. D) Salivary. Show Answer Correct Answer: A) Somatic. 17. What are the two divisions of the autonomic nervous system? A) Sympathetic system and parasympathetic system. B) Somatic system and autonomic system. C) Central system and peripheral system. D) Brain system and spinal cord system. Show Answer Correct Answer: A) Sympathetic system and parasympathetic system. 18. Which of the following is no a cranial nerve? A) Trigeminal. B) Vagus. C) Phrenic. D) Facial. Show Answer Correct Answer: C) Phrenic. 19. What is the name of a motor nerve that conducts impulses to muscles that move the eyes and other muscles? A) Trigeminal (B). B) Vagus (X). C) Accessory (XI). D) Trochlear (IV). Show Answer Correct Answer: D) Trochlear (IV). 20. What can you infer from the fact that babies with underdeveloped lungs have a high risk of developing cerebral palsy? A) Without oxygen muscles get stiff. B) Cerebral palsy is primarily a disease of the lungs. C) The brain needs oxygen to develop properly. D) Babies who get plenty of oxygen never develop cerebral palsy. Show Answer Correct Answer: C) The brain needs oxygen to develop properly. ← 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