This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 187 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 187 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The small star shaped cells that attach capillaries to neurons are called A) Stellarcytes. B) Microcytes. C) Astrocytes. D) Neurocytes. Show Answer Correct Answer: C) Astrocytes. 2. Which of the following is a unit of time? A) Km. B) Sec. C) Mi. D) M/s. Show Answer Correct Answer: B) Sec. 3. Why does the sodium potassium pump require energy? A) It's moving molecules against their concentration gradients. B) It's moving molecules with their concentration gradient. C) It doesn't. D) None of above. Show Answer Correct Answer: A) It's moving molecules against their concentration gradients. 4. Which is true of Oligodendroglia? A) Connect sensory and motor neurons. B) Insulate neurons by maintaining the myeline sheath. Show Answer Correct Answer: B) Insulate neurons by maintaining the myeline sheath. 5. What is the function of the rods in the retina? A) Photoreceptors for color vision. B) They are responsible for the best visual acuity. C) Photoreceptors for bright light conditions. D) Photoreceptors for non-color vision. Show Answer Correct Answer: D) Photoreceptors for non-color vision. 6. The lobe in charge of processing vision A) Parietal. B) Temporal. C) Frontal. D) Occipital. Show Answer Correct Answer: D) Occipital. 7. The glial cells known to dispose of debris and monitor are called the ..... A) Astrocytes. B) Microglia. C) Oligodendrocytes. D) Satellite Cells. Show Answer Correct Answer: B) Microglia. 8. The ..... division amps systems up in the "fight or flight" response. A) Parasympathetic. B) Autonomic. C) Sympathetic. D) Somatic. Show Answer Correct Answer: C) Sympathetic. 9. A muscle or gland that responds to a stimulus A) Response. B) Receptor. C) Afferent. D) Effector. Show Answer Correct Answer: D) Effector. 10. Sensory neurons send signals: A) Toward your brain and spinal cord. B) Away from your brain and spinal cord. Show Answer Correct Answer: A) Toward your brain and spinal cord. 11. Which system is responsible for gathering, interpreting and responding to information from the body and the environment? A) Skeletal. B) Endocrine. C) Nervous. D) Muscular. Show Answer Correct Answer: C) Nervous. 12. Electrical signal carried by neurons A) Reflex. B) Neurotransmitter. C) Impulse. D) Conclusion. Show Answer Correct Answer: C) Impulse. 13. Makes heart beat faster and lungs breathe more effciently A) GABA. B) Dopamine. C) Glutamate. D) Adrenaline. Show Answer Correct Answer: D) Adrenaline. 14. Ca2+ stimulates vesicles to accept with membrane A) True. B) False. Show Answer Correct Answer: B) False. 15. Connect blood vessels to neurons A) Schwann cells. B) Astrocytes. C) Microglial cells. D) Oligodendrocytes. Show Answer Correct Answer: B) Astrocytes. 16. What nerve takes information from the CNS to the skeletal muscle? A) Efferent Nerves. B) Sympathetic Nerves. C) Parasympathetic Nerves. D) Afferent Nerves. Show Answer Correct Answer: A) Efferent Nerves. 17. Nerves are bundles of ..... A) Blood cells. B) Nerve fiber. C) Tissue. D) Bones. Show Answer Correct Answer: B) Nerve fiber. 18. Action potential propagation refers to the movement of the action potential along the length of the axon (T/F)? A) True. B) False. Show Answer Correct Answer: A) True. 19. Action potential is a nerve impulse A) True. B) False. Show Answer Correct Answer: A) True. 20. Which of the following is a function of microglia in the CNS? A) Maintaining the blood-brain barrier. B) Functioning in action potential transmission. C) Guiding neuron development. D) Performing repairs and cleanup in damaged neural tissue. E) Creating a 3-dimensional framework for the CNS. Show Answer Correct Answer: D) Performing repairs and cleanup in damaged neural tissue. 21. Wernicke's area is responsible for A) Articulating language. B) Sense of touch. C) Language comprehension. D) Vision. Show Answer Correct Answer: C) Language comprehension. 22. In our body, involuntary actions are controlled by ..... A) Medulla in the hindbrain. B) Medulla in the forebrain. C) Medulla in the midbrain. D) Medulla in the spinal cord. Show Answer Correct Answer: A) Medulla in the hindbrain. 23. Which type of neuron receives signals/stimuli from the eyes, ears, nose, skin, or tongue and transmits this information to other neurons? A) Sensory. B) Interneuron. C) Motor. D) Relay neuron. Show Answer Correct Answer: A) Sensory. 24. Our heart beats faster when we are scared or nervous. Which branch of the peripheral nervous system is responsible? A) Autonomic nervous system. B) Somatic nervous system. Show Answer Correct Answer: A) Autonomic nervous system. 25. The nerves that branch directly from the brain and transmit nerve signals to and from the eyes, ears, mouth, face, and scalp are the ..... A) Meninges. B) Spinal nerves. C) Cranial nerves. D) Cerebral ganglia. Show Answer Correct Answer: C) Cranial nerves. 26. What do sensory organs do? A) Regulate our heart rate. B) They take in information we need about our environment. C) Conduction of impulses from the spinal cord. D) Understand the impulses from motor neurons. Show Answer Correct Answer: B) They take in information we need about our environment. 27. Action potentials occur when the charge inside the cell switches from negative to positive A) False. B) True. Show Answer Correct Answer: B) True. 28. The sense of sight identifies ..... A) Different textures. B) Different colors. C) Different smells. D) Different tastes. Show Answer Correct Answer: B) Different colors. 29. Part of the central nervous system that is a column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system. Controls reflex action. A) Brain. B) Nerve signal pathways. C) Spinal Cord. D) None of above. Show Answer Correct Answer: C) Spinal Cord. 30. Which of the following is derived from the Basal plate? A) Roof. B) Cover. C) Olivary nucleus. D) Cuneate nucleus. Show Answer Correct Answer: B) Cover. 31. When Brian touches a hot object, which body structures help him react appropriately to protect himself? A) The vertebral column, the interneurons, and the motor neurons. B) The sensory neurons, the interneurons, and the motor neurons. C) The sensory neurons, the vertebral column, and the brain. D) The sensory neurons, the brain, and the motor neurons. Show Answer Correct Answer: B) The sensory neurons, the interneurons, and the motor neurons. 32. What part of a neuron takes information away from the soma? A) Axon. B) Dendrites. C) Conclusion. D) Myelin Sheath. Show Answer Correct Answer: A) Axon. 33. The most basic unit in the nervous system is the (a) A) A neuron. B) Soma. C) Axon. D) Sensory cell. Show Answer Correct Answer: A) A neuron. 34. ..... receptors detect/are activated by movement. A) Chemical. B) Mechanical. C) Light. D) None of above. Show Answer Correct Answer: B) Mechanical. 35. If you touch a hot surface and pull away quickly. what is this action called? A) Reflex action. B) Spinal action. C) Fast action. D) None of above. Show Answer Correct Answer: A) Reflex action. 36. Which of the following best illustrates homeostasis? A) Most adult humans are between 5 and 6 feet tall. B) The lungs and intestines have large surface area. C) All cells of the body are about the same size. D) When you are hot and your body exchange signals and produce sweat. Show Answer Correct Answer: D) When you are hot and your body exchange signals and produce sweat. 37. Planarians have cephalisation at the anterior part consisting of the brain and the eyespot A) True. B) False. Show Answer Correct Answer: A) True. 38. Visceral sensory (afferent) fibers transmit information from which type of organs? A) Effector organs. B) Visceral organs. C) Skeletal muscles. D) Skin. Show Answer Correct Answer: B) Visceral organs. 39. Cardiac muscles are ONLY located in the heart A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 40. Action Potential:Also called a nerve impulse transmitted by axons. A) Action potential. B) Hyperpolarization. C) Depolarization. D) Refractory period. E) Repolarization. Show Answer Correct Answer: A) Action potential. 41. You have control over these muscles A) Voluntary muscles. B) Involuntary muscles. Show Answer Correct Answer: A) Voluntary muscles. 42. The column of tissue connecting the brain to nerves is ..... A) Spinal cord. B) Central nervous system. C) Peripheral nervous system. D) All of above. Show Answer Correct Answer: B) Central nervous system. 43. What detects excessive tension in the muscle A) Muscle spindle. B) Golgi tendon organ. C) Thermorecpetors. D) None of above. Show Answer Correct Answer: B) Golgi tendon organ. 44. Motor neurons carry messages..... A) From the senses to the brain. B) From the brain to the rest of the body. C) From hands to spine. D) From our legs to our brains. Show Answer Correct Answer: B) From the brain to the rest of the body. 45. To process and interpret sensory input and decide if action is needed A) Thinking. B) Integration. C) Brain Washin. D) Action. Show Answer Correct Answer: B) Integration. 46. The somatic NS innervates ..... and releases the neurotransmitter ..... to stimulate contractions. A) Smooth muscles; norepinephrine. B) Skeletal muscles; acetylcholine. C) Skeletal muscles; norepinephrine. D) Smooth muscles; acetylcholine. Show Answer Correct Answer: B) Skeletal muscles; acetylcholine. 47. How many taste buds do we have? A) 3. B) 2. C) 5. D) 4. Show Answer Correct Answer: D) 4. 48. Part of your PNS that controls involuntary actions. A) Autonomic Nervous System. B) Central Nervous System. C) Somatic Nervous System. D) None of above. Show Answer Correct Answer: A) Autonomic Nervous System. 49. What connects the brine to the spinal cord A) The spinal cord. B) Nothing. C) Medulla. D) The nerves. Show Answer Correct Answer: C) Medulla. 50. What part of the brain controls the muscles of your body? A) Brain wave. B) Cerebellum. C) Muscle. D) Cerebrum. Show Answer Correct Answer: B) Cerebellum. 51. ..... neurons relay information to each other through a complex electrochemical process, making connections that affect the way you think, learn, move, and behave. A) Some. B) Most. C) All. D) None of above. Show Answer Correct Answer: C) All. 52. Which of the following is the nervous system's main control center? A) The neuron. B) The spinal cord, which is made up of peripheral nerves. C) The peripheral nerve. D) The brain. Show Answer Correct Answer: D) The brain. 53. Match the area of the brain with the appropriate function:Reticular formation A) Includes prefrontal cortex, posterior association areas, and limbic association area. B) Integrates sensory information and memories with emotional response. C) Keeps the cerebral cortex alert and conscious and enhances its excitability. D) Provides precise timing and appropriate patterns of skeletal muscle contraction, allowing smooth, coordinated movements and agility. Show Answer Correct Answer: C) Keeps the cerebral cortex alert and conscious and enhances its excitability. 54. Jessica was telling her friends about how a neuron works. What was she actually telling them about? A) A nerve cell. B) The CMS. C) A body cell. D) The brain stem. Show Answer Correct Answer: A) A nerve cell. 55. Nearly all the messages going into or out of the brain go through this relay station A) Medulla. B) Amygdala. C) Thalamus. D) Pons. Show Answer Correct Answer: C) Thalamus. 56. The sudden change in charge which resulted to the production of high electric charge. A) Electrical Synapse. B) Dielectric Polarization. C) Depolarization. D) Repolarization. Show Answer Correct Answer: C) Depolarization. 57. What channel is opened by stimuli if the local membrane potential reaches a certain threshold? A) Leak ion channel. B) Voltage-gated channel. C) Ligand-gated channel. D) None of above. Show Answer Correct Answer: B) Voltage-gated channel. 58. After deplorization potassium (K+) moves out restoring the inside to a negative voltage A) Hyperpolariztion. B) Depolarization. C) Action potential. D) Repolarization. Show Answer Correct Answer: D) Repolarization. 59. Which is the correct path a message takes when it travels across a neuron? A) From the axon terminal to the axon to the dendrites. B) From dendrites to the axon to the axon terminal. C) From the cell body to the dendrites to the axon to the nucleus. D) From the Dendrites to the axon terminal to the cell body. Show Answer Correct Answer: B) From dendrites to the axon to the axon terminal. 60. Where are multipolar nerves found? A) Motor neurons, interneurons. B) Sensory neurons in the PNS. C) In the brain. D) Nose, retina of the eye. Show Answer Correct Answer: A) Motor neurons, interneurons. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesNervous System Quiz 1Nervous System Quiz 2Nervous System Quiz 3Nervous System Quiz 4Nervous System Quiz 5Nervous System Quiz 6Nervous System Quiz 7Nervous System Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books