This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 677 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 677 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Repolarization results in efflux of: A) Na+ ions. B) K+ ions. C) Cl-ions. D) Both Na+ and K+ ions. Show Answer Correct Answer: B) K+ ions. 2. When nerve cells are not producing electrical responses, there is still a voltage difference across their membranes, termed the A) Channel gate bias. B) Electrolyte voltage. C) Equilibrium potential. D) Resting potential. E) Ion current. Show Answer Correct Answer: D) Resting potential. 3. Internal capsule A) Projection tract. B) Association tract. C) Commisural tract. D) None of above. Show Answer Correct Answer: A) Projection tract. 4. True or False:Sometimes our bodies can react faster than our brains A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 5. Which structure does NOT have a function in protecting the nervous system? A) Bone. B) Meninges. C) Myelin. D) Cerebrospinal Fluid. Show Answer Correct Answer: C) Myelin. 6. The elastic sponge-like organs are where gas exchange occurs. A) Lungs. B) Alveoli. C) Ravioli. D) Trachea. Show Answer Correct Answer: A) Lungs. 7. Which is an infection of the membranes that cover the brain and spinal cord? A) Multiple sclerosis. B) Parkinson's. C) Meningitis. D) Stroke. Show Answer Correct Answer: C) Meningitis. 8. The part of the brain responsible of balance and coordination is A) Brain stem. B) Cerebellum. C) Cerebrum. D) None of above. Show Answer Correct Answer: B) Cerebellum. 9. In how many parts our brain is divided? A) 5. B) 4. C) 3. D) Non of the above. Show Answer Correct Answer: C) 3. 10. This type of cell needs a cell wall and chloroplasts A) Plant cell. B) Animal Cell. C) Bacteria. D) None of above. Show Answer Correct Answer: A) Plant cell. 11. The kind of neuron which processes (NOT detects) sensory information and selects a reaction A) Interneuron. B) Sensory neuron. C) Motor neuron. D) Visual neuron. Show Answer Correct Answer: A) Interneuron. 12. What is a cell in the nervous system? A) Neuron. B) Blood. C) Impulse. D) None of above. Show Answer Correct Answer: A) Neuron. 13. The portion of the brain in the back of the head between the cerebrum and the brain stem is the ..... Also known as "little brain." A) Medulla oblongata. B) Frontal lobe. C) Cerebellum. D) Pons. Show Answer Correct Answer: C) Cerebellum. 14. What are axons covered in? A) Myelin sheath. B) Capillaries. Show Answer Correct Answer: A) Myelin sheath. 15. Which term matches the following definition. Definition:The organ system that defends the body against infection. A) Nervous System. B) Homeostasis. C) Neurons. D) Immune System. Show Answer Correct Answer: D) Immune System. 16. What is the name for anything from the outside that can make the body react or change what it is doing? A) Reflex. B) Neuron. C) Stimuli. D) None of above. Show Answer Correct Answer: C) Stimuli. 17. Nerves that carry motor and sensory signals between the spinal cord and body A) Spinal Nerves. B) Sympathetic. C) Cranial Nerves. D) Parasympathetic. Show Answer Correct Answer: A) Spinal Nerves. 18. There are ..... nerve cells in the spinal cord. A) 13.6 million. B) 13.7 million. C) 13.5 million. D) None of above. Show Answer Correct Answer: C) 13.5 million. 19. Sensory Neurons are also known as A) Efferent neurons. B) Interneurons. C) Afferent neurons. D) None of the above. Show Answer Correct Answer: C) Afferent neurons. 20. How many PARTS of the brain are there? A) 6. B) 3. C) 5. D) None of above. Show Answer Correct Answer: C) 5. ← 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