This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 147 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 147 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... detect pressure. A) Mechanoreceptors. B) Nociceptors. C) Proprioceptors. D) Thermoreceptors. Show Answer Correct Answer: A) Mechanoreceptors. 2. What is the function of the Nodes of Ranvier? A) Speed up the transmission of nerve impulses. B) Produce myelin sheath. C) Store neurotransmitters. D) Generate action potentials. Show Answer Correct Answer: A) Speed up the transmission of nerve impulses. 3. What are multipolar neurons? A) Has only 1 process off the cell body. B) Has exactly 2 processes (1 axon & 1 dendrite). C) Has 3 or more processes (most common type). D) None of above. Show Answer Correct Answer: C) Has 3 or more processes (most common type). 4. The function of grey matter is ..... ? A) Communication. B) Processing. C) Circulating. D) Transporting. Show Answer Correct Answer: B) Processing. 5. What is the function of an astrocyte? A) Support CNS neurons. B) Produce ependymal cells. C) Myelinate axons. D) Support PNS neurons. Show Answer Correct Answer: A) Support CNS neurons. 6. A child is not able to read letters in the book clearly and has to keep the book far away to read it clearly. In this defect, the image is formed A) In front of retina. B) On the retina. C) Behind the retina. D) None of above. Show Answer Correct Answer: C) Behind the retina. 7. The collective (as a group) name for dopamine, serotonin and noradrenaline is: A) Neurotransmitters. B) Lipids. C) Ions. D) Hormones. Show Answer Correct Answer: A) Neurotransmitters. 8. Which of the following cranial nerves is a motor nerve? A) Vestibulocochlear Nerve. B) Optic Nerve. C) Olfactory Nerve. D) Hypoglossal Nerve. Show Answer Correct Answer: D) Hypoglossal Nerve. 9. Electrical signals A) Cerebellum. B) Central nervous system. C) Nerves carry. D) Cerebrum. Show Answer Correct Answer: C) Nerves carry. 10. One primary function of the spinal cord is to A) Transmit information back and forth from the brain to the glands and muscles. B) Contain all motor neurons to help individuals move about. C) Feed nutrients to the brain cells. D) Contain all sensory neurons to help individuals sense the world around them. Show Answer Correct Answer: A) Transmit information back and forth from the brain to the glands and muscles. 11. What is the principal behind a nerve impulse being conducted either fully or not at all? A) Random Principal. B) Variable Principal. C) All or None Principle. D) Partial Principal. Show Answer Correct Answer: C) All or None Principle. 12. There are ..... types of neurons. A) 3. B) 2. C) 4. D) 1. Show Answer Correct Answer: C) 4. 13. Water fluid found in the anterior cavity of the eye A) Aqueous humor. B) Vitreous humor. C) Sclera. D) Lysozyme. Show Answer Correct Answer: A) Aqueous humor. 14. Choose the response that would occur after this stimuli:You touch something hot. A) You sweat. B) You produce more saliva. C) You pull your hand away. D) You squint your pupil will constrict, or get smaller. Show Answer Correct Answer: C) You pull your hand away. 15. Electrical impulses change into a ..... to travel across this space. A) Chemical. B) Dendrite. Show Answer Correct Answer: A) Chemical. 16. Waves get ..... in graded potential A) Smaller. B) Bigger. Show Answer Correct Answer: A) Smaller. 17. In a case where someone encounters a dangerous situation, such as being chased by a wild animal, which of the following responses would be primarily controlled by the sympathetic nervous system? A) To promote rest and digestion. B) To stimulate fight-or-flight responses. C) To conserve energy and decrease heart rate. D) To regulate involuntary bodily functions during relaxation. Show Answer Correct Answer: B) To stimulate fight-or-flight responses. 18. Which part of the neuron is responsible for transmitting electrical signals away from the cell body? A) Dendrites. B) Nucleus. C) Axon. D) Axon Terminals. Show Answer Correct Answer: C) Axon. 19. Synaptic knobs are at the ends of A) Cell bodies. B) Neuroglia. C) Axons. D) Dendrites. Show Answer Correct Answer: C) Axons. 20. The term, which means crossing over, is ..... A) Degeneration. B) Fasciculus. C) Decussation. D) Commissure. Show Answer Correct Answer: C) Decussation. 21. Which disease is an overproduction of cerebral spinal fluid? A) Parkinson's. B) Hydrocephalus. C) Spina bifida. D) Multiple sclerosis. Show Answer Correct Answer: B) Hydrocephalus. 22. Select the term that does not belong in the group A) Myelin Sheath. B) Nodes of Ranvier. C) Dendrite. D) Auricle. Show Answer Correct Answer: D) Auricle. 23. The nervous system gathers info from inside and outside the body. A) True. B) False. Show Answer Correct Answer: A) True. 24. Too much of this neurotransmitter can cause severe muscle spasms and even death A) Serotonin. B) Endorphins. C) GABA. D) Acetylcholine. Show Answer Correct Answer: D) Acetylcholine. 25. Which structure in humans transmit electrical messages? A) Veins. B) Neurons. C) Nephrons. D) Lymphocytes. Show Answer Correct Answer: B) Neurons. 26. The threshold of the stimulus A) If a stimulus is below its minimum threshold level nothing will happen. B) This state exists when a neuron is not carrying an impulse but prepared. C) A neuron cant conduct an impulse. a neuron will always conduct an impulse totally or not at all. D) None of above. Show Answer Correct Answer: A) If a stimulus is below its minimum threshold level nothing will happen. 27. What is the membrane that protects the brain and spinal cord? A) Myelin sheath. B) Cerebrospinal fluid. C) Meninges. D) Neuron. Show Answer Correct Answer: C) Meninges. 28. ..... is the liquid present inside our eye. A) Pupil. B) Aqueous humor. C) Iris. D) Egg. Show Answer Correct Answer: B) Aqueous humor. 29. At extreme temperatures, many enzymes..... A) Speed up reactions. B) Slow down reactions. C) Stop working properly. D) All of the above. Show Answer Correct Answer: C) Stop working properly. 30. How do the pupils in our eyes adjust to changes in light? A) By dilating (becoming larger) in dim light and constricting (becoming smaller) in bright light to regulate the amount of light entering the eye. B) By secreting tears to protect the eye from excessive light exposure. C) By changing the curvature of the cornea to focus incoming light onto the retina. D) By activating photoreceptor cells in the retina to detect changes in light intensity. Show Answer Correct Answer: A) By dilating (becoming larger) in dim light and constricting (becoming smaller) in bright light to regulate the amount of light entering the eye. 31. The type of contraction in which the muscle fibers shorten is called A) Eccentric isotonic. B) Concentric isotonic. C) *isometric. D) *treppe. Show Answer Correct Answer: B) Concentric isotonic. 32. The long structure in the neuron that carries an electrical impulse to the terminals. A) Dendrite. B) Axon. C) Neurotransmitter. D) Stimulus. Show Answer Correct Answer: B) Axon. 33. What is the myelin sheath's important function? A) Insulating the axon fibers. B) Caring impulses from the CNS to muscles and glands. C) Controlling the smooth muscles of he internal organs. D) Stimulating the skeletal muscles. Show Answer Correct Answer: A) Insulating the axon fibers. 34. Middle layer; very thin, cob-web like A) Arachnoid. B) Pia mater. C) Dura Mater. D) None of above. Show Answer Correct Answer: A) Arachnoid. 35. What do the Pineal glands do? A) Make enzymes. B) Stores memories. C) Kills viruses. D) Makes Melatonin. Show Answer Correct Answer: D) Makes Melatonin. 36. The 4 (four) flavors that you can taste are sweet, sour, bitter and ..... A) Salty. B) Fresh. Show Answer Correct Answer: A) Salty. 37. Imagine Luna, Charlotte, and Aiden are on a space mission. They encounter an alien who asks them, 'Which system is your brain a part of?' What should they answer? A) Peripheral Nervous System. B) Central Nervous System. Show Answer Correct Answer: B) Central Nervous System. 38. What is a difference between hormones and nerves? A) Hormones have a slow response but low duration (doesn't last long). B) Nerves have a quick response and a low duration of affect (doesn't last long). C) Only hormone release is controlled by the hypothalamus. D) The hypothalamus controls autonomic (involuntary) responses. Show Answer Correct Answer: B) Nerves have a quick response and a low duration of affect (doesn't last long). 39. Which is the largest part in our brain? A) Cerebellum. B) Cerebrum. C) Medulla. D) Neurons. Show Answer Correct Answer: A) Cerebellum. 40. Reflex arcs are a type of neural pathway that: A) Does NOT involve the brain. B) DOES involve the brain. Show Answer Correct Answer: A) Does NOT involve the brain. 41. 37 Which of the following is not a function of the sympathetic nervous system? A) Releases glucose from the liver. B) Increases heart rate glucose from the liver. C) Stimulates digestion. D) Dilates blood vessels in skeletal muscles. Show Answer Correct Answer: C) Stimulates digestion. 42. What is verbal/linguistic? A) Enjoys sports, dancing, or other physical activity. B) Enjoys working with numbers, likes to solve problems. C) Enjoys spending time alone, needs quiet time to think over ideas. D) Enjoys reading, doing crossword puzzles, and writing stories. Show Answer Correct Answer: D) Enjoys reading, doing crossword puzzles, and writing stories. 43. Part of the brain that allows you to control impulses from the amygdala; smaller in toddlers than in older children A) Occipital lobe of the cerebrum. B) Temporal lobe of the cerebrum. C) Parietal lobe of the cerebrum. D) Anterior cingulate cortex. Show Answer Correct Answer: D) Anterior cingulate cortex. 44. What is the function of Schwann cells in the Peripheral Nervous System (PNS)? A) Transmit electrical signals. B) Form myelin sheath around nerve fibers. C) Protect and cushion neuron cell bodies. D) Regulate the chemical environment around neurons. Show Answer Correct Answer: B) Form myelin sheath around nerve fibers. 45. The 5 parts of the reflex arc:sensory receptor, sensory neuron, integration center, motor neuron, effector A) False. B) True. Show Answer Correct Answer: B) True. 46. It is the body's command center. A) Circulatory System. B) Cells. C) Heart. D) Nervous System. Show Answer Correct Answer: D) Nervous System. 47. What is the 3 layered, protective "skin" on the brain & spinal cord? A) Meninges. B) Pericardium. C) Cerebrospinal Fluid. D) Pleura. Show Answer Correct Answer: A) Meninges. 48. How is the lens able to focus at different lengths? A) During action potential sodium atoms are going to rush in because of voltage gated channels potassium switches places with the sodium. B) Constricts to let appropriate amount of light in. C) Has muscles attached to it so it can focus light. D) Sympathetic divisionFight or flight responseparasympathetic divisionDecreases respiration and heart rate and increases digestion. Show Answer Correct Answer: C) Has muscles attached to it so it can focus light. 49. How do impulses travel along myelinated fibers? A) The impulse travels through the dendrites. B) The impulse flows directly through the myelin sheath. C) The impulse travels through the astrocytes. D) The impulse "leaps" from node to node. Show Answer Correct Answer: D) The impulse "leaps" from node to node. 50. The center region of a neuron with a nucleus A) Cell body. B) Axon. C) Axon terminal. D) Dendrites. Show Answer Correct Answer: A) Cell body. 51. Mrs. Avery speed walked 2 miles in 10 minutes, what is her speed? A) 2 miles/min. B) 0.2 miles/min. C) 20 miles/min. D) 40 miles/min. Show Answer Correct Answer: B) 0.2 miles/min. 52. Which one is involved in restoring the ion concentrations of the sodium and postassium ions inside and outside the neuron after repolarization? A) Na+/K+ pump moves 3Na+ in for every 2K+ out. B) Na+/K+ pump moves 3K+ out for every 2Na+ in. C) Na+/K+ pump moves 3Na+ out for every 2K+ in. D) Na+/K+ pump moves 3K+ in for every 2Na+ out. Show Answer Correct Answer: C) Na+/K+ pump moves 3Na+ out for every 2K+ in. 53. As the neuron fires, there's a reversal in ..... as the axon undergoes ..... A) Direction, repolarization. B) Charge, depolarization. C) Charge, repolarization. D) Direction, depolarization. Show Answer Correct Answer: B) Charge, depolarization. 54. Shape of a neuron with two processes extending from the neuron cell body the axon and one dendrite. A) Neuron. B) Bipolar. C) Thalamus. D) Ganglion. Show Answer Correct Answer: B) Bipolar. 55. Which of the areas of the cerebral cortex receives touch sensation from the skin? A) Somatic sensory area. B) Premotor area. C) Primary visual cortex. D) Primary motor area. Show Answer Correct Answer: A) Somatic sensory area. 56. What does the integration function of the nervous system include? A) Motor functions. B) Somatic and autonomic nervous system. C) Sensory functions such as memory, learning, and emotions. D) Receiving information about the external environment. Show Answer Correct Answer: C) Sensory functions such as memory, learning, and emotions. 57. How many sections of the Brain are there? A) 2. B) 1. C) 4. D) 6. Show Answer Correct Answer: D) 6. 58. The CNS is made up of A) Spinal cord and nerves. B) Brain and spinal cord. C) Nerves and brain. D) None of above. Show Answer Correct Answer: B) Brain and spinal cord. 59. When messages travel creating an electrical impulse is moves through the ..... A) Nucleus. B) Cell body. C) Axon. D) Myelin sheath. Show Answer Correct Answer: C) Axon. 60. At the axon terminals the action potential can ..... A) Continue in another neuron. B) Cause the release of NT's across a synapse. C) Both answers are correct. D) None of above. Show Answer Correct Answer: C) Both answers are correct. ← 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