This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 322 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 322 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are meninges? A) Cerebrospinal fluid. B) Layers of tissue surrounding the brain. C) Excitable cells that respond to stimuli. D) Cushions the brain from injury. Show Answer Correct Answer: B) Layers of tissue surrounding the brain. 2. The organs in the nervous system are ..... A) The skull and brain. B) The brain and spinal cord. C) The spinal cord and skin. D) The brain and toes. Show Answer Correct Answer: B) The brain and spinal cord. 3. What is the name of the insulating layer that surrounds the axon of a neuron? A) Cell body. B) Nucleus. C) Dendrites. D) Myelin sheath. Show Answer Correct Answer: D) Myelin sheath. 4. Carry information from sense organs to the spinal cord and the brain. A) Sensory neurons. B) Interneurons. C) Motor neurons. D) None of above. Show Answer Correct Answer: A) Sensory neurons. 5. Unmyelinated fibers are called ..... matter whereas myelinated fibers are called ..... matter A) Fast; slow. B) Slow; fast. C) Gray; white. D) White; gray. Show Answer Correct Answer: C) Gray; white. 6. What is an electrical charge across the membrane of a resting neuron? A) Threshold. B) Stimuli. C) Resting potential. D) Action potential. Show Answer Correct Answer: C) Resting potential. 7. They slow heartbeat. A) Sympathetic nerves. B) Parasympathetic nerves. Show Answer Correct Answer: B) Parasympathetic nerves. 8. Neurotransmitters are stored in which structure of the neuron? A) Cell body. B) Dendrite. C) Axon terminals. D) None of above. Show Answer Correct Answer: C) Axon terminals. 9. Which part of the brain stem is responsible for relaying messages and regulating breathing? A) Hypothalamus. B) Midbrain. C) Medulla. D) Pons. Show Answer Correct Answer: D) Pons. 10. Phagocytize bacterial cells A) Oligodendrocytes. B) Ependymal. C) Microglial. D) Astrocytes. Show Answer Correct Answer: C) Microglial. 11. ..... is an inflammation of the brain coverings. A) Encephalitis. B) Poliomyelitis. C) Meningitis. D) Cerebral palsy. Show Answer Correct Answer: C) Meningitis. 12. How can the speed of action potential propagation (i.e. sending) be increased? A) Myelin allows the AP to jump from Node of Ranvier to the next Node of Ranvier. B) Increasing the strength of the original stimulus. C) Closing of Na+ channels. D) Opening of K+ channels. Show Answer Correct Answer: A) Myelin allows the AP to jump from Node of Ranvier to the next Node of Ranvier. 13. This contains a cell's DNA. A) Nucleus. B) Axon. C) Soma. D) Myelin Sheath. Show Answer Correct Answer: A) Nucleus. 14. When a person is frightened, adrenalin is released by the adrenal glands. What are the effects of the adrenalin? A) Breathing rate increased; heart beat rate increased. B) Breathing rate increased; heart beat rate decreased. C) Breathing rate decreased; heart beat rate decreased. D) Breathing rate decreased; heart beat rate increased. Show Answer Correct Answer: A) Breathing rate increased; heart beat rate increased. 15. ..... are branched extensions off soma that receive chemical signals from a sensory cell or another neuron A) Axons. B) Dendrites. C) Axon terminals. D) Nodes of Ranvier. Show Answer Correct Answer: B) Dendrites. 16. A depolarization is when the inside of a neuron becomes ..... the resting membrane potential. A) More negative than. B) Less negative than. C) Closer to. D) None of above. Show Answer Correct Answer: B) Less negative than. 17. True or False-The fight-or-flight response causes most of your vital signs such as blood pressure, heart rate, and respiratory rate to increase. A) False. B) True. Show Answer Correct Answer: B) True. 18. Which type of cell is being described?-Line cerebrospinal fluid-filled CNS cavities.-The cilia found on these squamous or columnar cells circulate the cerebrospinal fluid that cushions the brain and spinal cord.-Name means" wrapping garment" A) Astrocytes. B) Microglial cells. C) Ependymal cells. D) Oligodendrocytes. Show Answer Correct Answer: C) Ependymal cells. 19. Which of the following is NOT true about taste buds? A) Taste buds and papillae are the same thing. B) There are different types of taste buds. C) Children have more taste buds than adults. D) Taste buds contain chemoreceptors. Show Answer Correct Answer: A) Taste buds and papillae are the same thing. 20. Caidin accidentally touches a hot surface then quickly pulls his hand away. Which two systems were involved with his action and reaction? A) Nervous and circulatory. B) Digestive and respiratory. C) Skeletal and circulatory. D) Nervous and muscular. Show Answer Correct Answer: D) Nervous and muscular. 21. The difference between the brain and the spinal cord A) The service is easy. B) In the gray matter. C) Less weight. D) In the white matter. E) White matter outside. Show Answer Correct Answer: D) In the white matter. 22. The ..... is the colorful muscle of the eye that can widen and shrink the pupil A) Cornea. B) Optical nerve. C) Retina. D) Iris. Show Answer Correct Answer: D) Iris. 23. A condition where your bones can become weak and break easily is called ..... A) Osteoporosis. B) Old age. C) Arthritis. D) Scoliosis. Show Answer Correct Answer: A) Osteoporosis. 24. The neurons of chimpanzees have more myelin on their axons than human neurons. This makes their reaction time ..... A) Slower. B) Faster. Show Answer Correct Answer: B) Faster. 25. A portion of the brainstem that helps regulate breathing. A) Midbrain. B) Pons. C) Medulla oblongata. D) None of above. Show Answer Correct Answer: B) Pons. 26. This neurotransmitter is linked to feelings of pleasure, euphoria, and reward. A) Glutamate. B) Substance p. C) Serotonin. D) Endorphins. E) Dopamine. Show Answer Correct Answer: E) Dopamine. 27. True or False. An overproduction or underproduction of certain neurotransmitters can affect a person's mood and quality of life. A) False. B) True. Show Answer Correct Answer: B) True. 28. To record the activity of the brain and the rhythm of changes in it A) Electroencephalography. B) Electrocardiogram. C) Electroencephalograph. D) Electroencephalogram. E) Electroencephalitis. Show Answer Correct Answer: D) Electroencephalogram. 29. Area of gray matter on the back portion of the spinal cord A) Dorsal Horn. B) Anterior Column. C) Ventral Horn. D) Posterior Column. Show Answer Correct Answer: A) Dorsal Horn. 30. What nerve supplies motor fibers to the lateral rectus muscle which rolls the eye laterally? A) Trigeminal. B) Vestibulocochlear. C) Abducting. D) Trochlear. Show Answer Correct Answer: C) Abducting. 31. Signals between neurons are transmitted A) Electrically. B) Chemically. Show Answer Correct Answer: B) Chemically. 32. Things that detect things such as taste, touch, smells, sounds, and sights. A) Central Nervous System. B) Peripheral Nervous System. C) Sensory Neurons. D) Motor Neurons. Show Answer Correct Answer: C) Sensory Neurons. 33. What is the term for cellular respiration that occurs without oxygen present? A) Isotonic. B) Aerobic. C) Isometric. D) Anaerobic. Show Answer Correct Answer: D) Anaerobic. 34. The Central Nervous System ..... from all over the body. A) Receives, processes, and responds. B) Controls voluntary movements. C) Controls involuntary responses. D) Conduct signals to and from the brain and controls reflex activities. Show Answer Correct Answer: A) Receives, processes, and responds. 35. What receptor allows you to see a rainbow? A) Graviton receptor. B) Thermoreceptor. C) Photoreceptor. D) Mechanoreceptor. Show Answer Correct Answer: C) Photoreceptor. 36. Which ventricle is related to the Thalamus? A) Fourth ventricle. B) Third ventricle. C) Lateral ventricle. D) Subarachnoid space. Show Answer Correct Answer: B) Third ventricle. 37. Which of the following does not belong to basal ganglia? A) Black substance. B) Globus pallidus. C) Caudate nuclei. D) Putamen. Show Answer Correct Answer: A) Black substance. 38. Semipermeable membrane, surrounding a cell that controls what goes into and out of the cell A) Cell Wall. B) Lysosome. C) Nucleus. D) Cell Membrane. Show Answer Correct Answer: D) Cell Membrane. 39. What coordinates voluntary muscle movements? A) Brainstem. B) Cerebellum. C) Cerebrum. D) Spinal cord. Show Answer Correct Answer: B) Cerebellum. 40. Which division of the PNS is responsible for the "fight or flight" response? A) Autonomic Nervous System. B) Sympathetic Division. C) Sensory (Afferent) Division. D) Parasympathetic Division. Show Answer Correct Answer: B) Sympathetic Division. 41. The part of the brain that coordinates voluntary muscle movement is the A) Cerebellum. B) Brain stem. C) Spinal cord. D) Cerebrum. Show Answer Correct Answer: A) Cerebellum. 42. PART OF THE BRAIN RESPONSIBLE FOR HEARING AND LONG TERM MEMORY A) PARIETAL LOBE. B) TEMPORAL LOBE. C) FRONTAL LOBE. D) OCCIPITAL LOBE. Show Answer Correct Answer: B) TEMPORAL LOBE. 43. A chemical that transmits a message from one neuron to another A) Polypeptides. B) Lipids. C) Neurotransmitters. D) Enzymes. Show Answer Correct Answer: C) Neurotransmitters. 44. What part of the ear is #4 pointing to? A) Cochlea. B) Tympanic Membrane. C) Auricle. D) Semicircular Canals. E) Ossicles. Show Answer Correct Answer: E) Ossicles. 45. Does gray or white matter have a myelin sheath A) White. B) Gray. Show Answer Correct Answer: A) White. 46. An event in the external or internal environment that registers as activity in a sensory neuron. A) Stimulus. B) Autonomic Nervous System (ANS). C) Dendrite. D) Oligodendrocyte. Show Answer Correct Answer: A) Stimulus. 47. The section that carries impulses from a sense receptor to the brain or spinal cord is a ..... A) Motor pathway. B) Sensory pathway. C) Relay pathway. D) None of above. Show Answer Correct Answer: B) Sensory pathway. 48. Which are factors that help speed up the nerve impulse? A) Thinner axons and high levels of CO2. B) High levels of calcium and warm temperatures. C) Myelinated axons and axons with larger diameters. D) High levels of calcium and warm temperatures. Show Answer Correct Answer: C) Myelinated axons and axons with larger diameters. 49. It protects the spinal cord A) Skull. B) Ribcage. C) Vertebral column. D) None of above. Show Answer Correct Answer: C) Vertebral column. 50. The organ is use to think is ..... A) Skeletal. B) Kidneys. C) Brain. D) Muscles. Show Answer Correct Answer: C) Brain. 51. Cranial nerve Vestibulocochlear VIII functions in: A) Hearing and equilibrium sensation. B) Smell. C) Vision. D) None of these. Show Answer Correct Answer: A) Hearing and equilibrium sensation. 52. Premature closing of the skull bones A) Craniectomy. B) Craniotomy. C) Cranioplasty. D) Craniosynostosis. Show Answer Correct Answer: D) Craniosynostosis. 53. The system that controls your involuntary muscle movements and internal organs is the ..... A) PNS (peripheral nervous system). B) CNS (central nervous system). C) ANS (autonomic nervous system). D) SNS (somatic nervous system. Show Answer Correct Answer: C) ANS (autonomic nervous system). 54. In addition to sodium and potassium, what other ion is required for neurons to communicate? A) Chloride. B) Bicarbonate. C) Calcium. D) Iodine. Show Answer Correct Answer: C) Calcium. 55. Is the pons responsible for conducing messages to the other parts of the brain? A) False. B) True. Show Answer Correct Answer: B) True. 56. Shark swims toward the direction of blood. A) Response. B) Stimulus. Show Answer Correct Answer: A) Response. 57. The Ulnar nerve comes off of which spinal roots A) C5 and C6. B) C8 and T1. C) Number. D) T1 only. Show Answer Correct Answer: B) C8 and T1. 58. What would happen if your spinal cord was severed? A) You would become paralyzed and not be able to move. B) You would not be able to breathe. C) You would become blind. D) None of above. Show Answer Correct Answer: A) You would become paralyzed and not be able to move. 59. What word matches the definition? An action or movement of the body that happens automatically as a reaction to something. A) Stimulus. B) Reflex. C) Brain. D) Peripheral nerve. Show Answer Correct Answer: B) Reflex. 60. The neurons that conduct impulses to the spinal cord and brain are the: A) Sensory neurons. B) Motor neurons. C) Interneurons. D) Association neurons. Show Answer Correct Answer: A) Sensory neurons. ← 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