This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 946 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 946 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the main two parts of the central nervous system? A) Brain and Skull. B) Brain and Spinal Cord. C) Spinal Cord and Nerves. D) Nerve Cells and Nerve Endings. Show Answer Correct Answer: B) Brain and Spinal Cord. 2. The ..... includes billions of nerves that transport information to and from your brain to every other part of your body. A) Central nervous system. B) Brain. C) Peripheral nervous system. D) Nervous system. Show Answer Correct Answer: C) Peripheral nervous system. 3. What does homeostasis mean? A) Controlling your body's internal conditions. B) Changing your external environment. C) Maintaining the same number of cells in your body. D) Making your internal conditions the same as the external environment. Show Answer Correct Answer: A) Controlling your body's internal conditions. 4. The colored part of the eye is A) Iris. B) Retina. C) Choroid. D) Sclera. Show Answer Correct Answer: A) Iris. 5. The gateway to memory. A) Hippocampus. B) Amygdala. C) Callous body. D) Left hemisphere. Show Answer Correct Answer: A) Hippocampus. 6. What happens to the heart rate and stroke volume in the sympathetic system? A) Heart rate increases, stroke volume increases. B) Heart rate decreases, stroke volume decreases. C) Heart rate decreases, stroke volume increases. D) Heart rate increases, stroke volume decreases. Show Answer Correct Answer: A) Heart rate increases, stroke volume increases. 7. What is the function of Oligodendrocyte? A) To produce Myelin sheath. B) To produce CSF. C) To maintain permeability of BBB. D) Phagocytosis of microbes and neuronal debris. Show Answer Correct Answer: A) To produce Myelin sheath. 8. White matter is ....., and gray matter is ..... A) Comprised of axons; comprised of cell bodies and dendrites. B) Myelinated; unmyelinated. C) Found in the CNS; also found in the CNS. D) All of the above are correct. Show Answer Correct Answer: D) All of the above are correct. 9. Each hemisphere (half) of the brain has specific functions, but both sides of the brain must communicate and work together. A) True. B) False. Show Answer Correct Answer: A) True. 10. Which type of neuron connects the other types of neurons? A) Motor neuron. B) Sensory neuron. C) Interneuron. D) Axoneuron. Show Answer Correct Answer: C) Interneuron. 11. The function of a neuron is dependent on ..... A) Resting membrane potentials staying the same. B) Resting membrane potentials changing. Show Answer Correct Answer: B) Resting membrane potentials changing. 12. The fluid that protects and cushions the brain is called A) Cerebrospinal fluid. B) Neurilemma. C) Potassium. D) Sodium. Show Answer Correct Answer: A) Cerebrospinal fluid. 13. This nerve has sensory fibers going to the scalp and upper lip A) Trigeminal. B) Trochlear. C) Vagus. D) Facial. Show Answer Correct Answer: A) Trigeminal. 14. Every neuron has a ..... A) Soma. B) Nucleus. C) Transmitter. D) Purpose. Show Answer Correct Answer: A) Soma. 15. What major part of the brain is also called the brain stem which is found at the base of the brain that connects the brain and the spinal cord? It controls the basic life functions such as heartbeat, breathing, and digestion and takes care of reflex actions which are involuntary actions that protects the body such as blinking, coughing, and knee jerk reactions. A) Cerebellum. B) Cerebrum. C) Medulla oblongata. D) Thalamus. Show Answer Correct Answer: C) Medulla oblongata. 16. Where is the Peripheral Nervous System (PNS)? A) Organs and Limbs. B) Brain & Spinal Cord. C) Motor Neurons & Cerebrum. D) Sensory Neurons & Medulla Oblongata. Show Answer Correct Answer: A) Organs and Limbs. 17. The sodium-potassium pump is involved in establishing the resting membrane potential. A) True. B) False. Show Answer Correct Answer: A) True. 18. Long term potentiation is a form of neural plasticity that ..... A) Increases neural signals due to changes in neuron structure. B) Reduces neural signal due to weakened firing. C) Strengthens neural connections due to repeated stimulations. D) Weakens neural connections due to persisten weak stimulation. Show Answer Correct Answer: C) Strengthens neural connections due to repeated stimulations. 19. In what form does a nerve impulse travel from neuron to another A) Electrical signal. B) Chemical signal. C) Magnetic signal. D) Ionic signal. Show Answer Correct Answer: B) Chemical signal. 20. The heart accelerates A) Sympathetic nervous system. B) Parasympathetic nervous system. Show Answer Correct Answer: A) Sympathetic nervous system. ← 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