This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 75 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 75 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A junction between an axon and another cell is called a A) Conclusion. B) Presynaptic cell. C) Postsypnatic cell. D) Neurotransmitter. Show Answer Correct Answer: A) Conclusion. 2. Whitish, fatty material that covers most long nerve fibers. has a waxy appearance. they protect and insulate the fibers and increase the transmission rate of nerve impulses A) Repolarization. B) Myelin. C) Midbrain. D) Cerebellum. Show Answer Correct Answer: B) Myelin. 3. The messages carried by the nervous system are electrical signals called ..... A) Impulses. B) Dendrites. C) Axon. D) Nodes. Show Answer Correct Answer: A) Impulses. 4. What protects the brain and spinal cord? A) Plasma. B) Muscles. C) Blood. D) Bone. Show Answer Correct Answer: D) Bone. 5. Functional nervous system division that carries information from the central nervous system toward effectors A) Motor (efferent) division. B) Sensory (afferent) division. C) Peripheral nervous system (PNS). D) Central nervous system (CNS). E) Autonomic nervous system (ANS). Show Answer Correct Answer: A) Motor (efferent) division. 6. Lobe responsible for receiving and interpreting vision. A) Occipital. B) Temporal. C) Parietal. D) Frontal. Show Answer Correct Answer: A) Occipital. 7. What part of the ear actually hears sounds? A) Auditory canal. B) Eustachian tubes. C) Organ of corti in cochlea. D) Semicircular canals. Show Answer Correct Answer: C) Organ of corti in cochlea. 8. An inflammation of the conjunctiva involves the: A) Circular band surrounding the pupil. B) Delicate membrane lining the eyelids and covering the front of the eyeball. C) Glands that produce tears. D) Portion of the eye that contains the optic nerve. E) Extrinsic eye muscles. Show Answer Correct Answer: B) Delicate membrane lining the eyelids and covering the front of the eyeball. 9. Branches of a neuron that collect stimuli and transport them to a cell body A) Dendrites. B) Axon. C) Neuron. D) Microglia. Show Answer Correct Answer: A) Dendrites. 10. Which cells are known as the most abundant and versatile neuroglia? A) Ependymal cells. B) Microglial cells. C) Astrocytes. D) Oligodendrocytes. Show Answer Correct Answer: C) Astrocytes. 11. The cerebellum (cerebellum)..... A) Is important for balance, posture and movements. B) Controls vital functions like breathing and blood pressure. Show Answer Correct Answer: A) Is important for balance, posture and movements. 12. A neuron has a resting potential of about ..... millivolts A) +50. B) -70. C) -55. D) -80. E) +35. Show Answer Correct Answer: B) -70. 13. Occipital lobe does what: A) Vision. B) Hearing. C) Spacial and sense processing. D) Decision making and thoughts. Show Answer Correct Answer: A) Vision. 14. The hindbrain contains: A) Brainstem, cerebellum, pons, medulla oblongata. B) Medulla oblongata, cerebellum. C) The brain. D) None of above. Show Answer Correct Answer: A) Brainstem, cerebellum, pons, medulla oblongata. 15. Constricts pupils A) Sympathetic Nervous System. B) Parasympathetic Nervous System. Show Answer Correct Answer: B) Parasympathetic Nervous System. 16. The tough, outermost membrane covering the brain and spinal cord A) Soft mater. B) Dura. C) Brain blanket. D) Spinal cover. Show Answer Correct Answer: B) Dura. 17. The tenth cranial nerve whose functions include slowing heart rate and taste? A) Oculomotor. B) Abducting. C) Vagus. D) Vestibulocochlear. Show Answer Correct Answer: C) Vagus. 18. Part of the Nervous System that regulates day-to-day involuntary responses such as digestion, defecation, and dieresis. A) Autonomic (Involuntary NS). B) Somatic (Voluntary NS). C) Parasympathetic NS. D) Sympathetic NS. E) Peripheral NS. Show Answer Correct Answer: C) Parasympathetic NS. 19. What generates a nerve impulse? (note:pre-synaptic means the neuron sending the message and post-synaptic means the neuron receiving the message) A) Calcium binding with a receptor site. B) Potassium leaking into the post-synaptic membrane. C) Neurotransmitter binding with receptor sites. D) Neurotransmitter being removed from the synapse. Show Answer Correct Answer: C) Neurotransmitter binding with receptor sites. 20. Controls involuntary activities A) Central Nervous System. B) Somatic Nervous System. C) Autonomic Nervous System. D) None of above. Show Answer Correct Answer: C) Autonomic Nervous System. ← 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