This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 450 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 450 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This part of the brain is divided into 4 lobes-Frontal, Parietal, Temporal, Occipital A) Cerebrum. B) Cerebral Cortex. C) Cerebellum. D) Thalamus. Show Answer Correct Answer: A) Cerebrum. 2. When you're feeling relaxed, which NS is active? A) Parasympathetic nervous system. B) Sympathetic nervous system. Show Answer Correct Answer: A) Parasympathetic nervous system. 3. What is the role of the myelin sheath in the nervous system? A) Acts as the main source of immune defense. B) Creates, secretes, and circulates cerebrospinal fluid. C) Surrounds and supports neuron cell bodies. D) Insulates the axons of neurons to speed up the transmission of nerve impulses. Show Answer Correct Answer: D) Insulates the axons of neurons to speed up the transmission of nerve impulses. 4. Trauma; injury; wound A) Lex/o. B) Turn. C) Traumatized. D) Ish/o. Show Answer Correct Answer: C) Traumatized. 5. A neuron situated distal to a synapse. A) Pious Mother. B) Postganglionic neurons. C) Postsynaptic neuron. D) Preganglionic neuron. Show Answer Correct Answer: C) Postsynaptic neuron. 6. What is the spinal cord made of? A) Bundle of Nerves. B) One nerve. C) Bone. D) Multiple bones. Show Answer Correct Answer: A) Bundle of Nerves. 7. Vision is helped by the optic nerve A) True. B) False. Show Answer Correct Answer: A) True. 8. The part of the brain that controls balance and body movements is the ..... A) Medulla. B) Cerebellum. C) Cerebrum. D) Meninges. Show Answer Correct Answer: B) Cerebellum. 9. The largest part of the brain is? A) Cerebellum. B) Cereber. C) Cerebrum. D) Cereblosum. Show Answer Correct Answer: C) Cerebrum. 10. The main function of the nervous system is A) To transport materials through the body. B) To exchange oxygen and carbon dioxide. C) To break apart your food so you can absorb the nutrients/macromolecules in it. D) To control and coordinate all the body systems. Show Answer Correct Answer: D) To control and coordinate all the body systems. 11. The lower part of the brainstem responsible for involuntary functions like breathing and heart rate A) Cerebellum. B) Frontal lobe. C) Spinal cord. D) Medulla. Show Answer Correct Answer: D) Medulla. 12. Executive decisions are made here A) Frontal lobe. B) Parietal lobe. C) Occipital lobe. D) Temporal lobe. Show Answer Correct Answer: A) Frontal lobe. 13. What is the role of Microglia in the central nervous system? A) Producing hormones. B) Supporting neurons. C) Forming myelin sheath around axons. D) Phagocytes that dispose of debris, including dead brain cells and bacteria. Show Answer Correct Answer: D) Phagocytes that dispose of debris, including dead brain cells and bacteria. 14. About how much does the human brain weigh? A) Less than a pound. B) 3 pounds. C) 10 pounds. D) 13 pounds. Show Answer Correct Answer: B) 3 pounds. 15. What layer of skin is the outermost layer of skin? A) Epidermis. B) Dermis. C) Hypodermis. D) None of above. Show Answer Correct Answer: A) Epidermis. 16. Which activity is associated with the THETA Brain Wave? A) Awake. B) Calm. C) Problem solving. D) None of above. Show Answer Correct Answer: C) Problem solving. 17. What percentage of nerve cells are made up by neuroglia? A) 10%. B) 20%. C) 50%. D) 90%. Show Answer Correct Answer: D) 90%. 18. At which level of the spinal column is damage to the spinal cord no longer a concern? A) L1. B) Number. C) T12. D) S1. Show Answer Correct Answer: A) L1. 19. Muscle attached to this part of the eye allow you to focus on objects A) Cornea. B) Optic nerve. C) Lens. D) Iris. E) Aqueous humor. Show Answer Correct Answer: C) Lens. 20. Which of the following is NOT a result of parasympathetic stimulation A) Salivation. B) Dilation of pupils. C) Increased peristalsis of the digestive viscera. D) Relaxation of the urethral sphincter. E) Increased secretions by the digestive tube. Show Answer Correct Answer: B) Dilation of pupils. ← 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