This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 76 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 76 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Histamine is a neurotransmitter that promotes alertness in the central nervous system. Under which conditions would histamine most likely be released into the bloodstream? A) Stimulation of the parasympathetic nervous system. B) Stimulation of the sympathetic nervous system. C) Stimulation of the frontal lobe of the brain. D) Stimulation of the parietal lobe of the brain. Show Answer Correct Answer: B) Stimulation of the sympathetic nervous system. 2. Identify Letter B A) Cerebrum. B) Cerebellum. C) Brain Stem. D) None of above. Show Answer Correct Answer: B) Cerebellum. 3. Which division of the nervous system arouses and alerts the body and mobilizes it in stressful situations? A) Central Nervous System. B) Somatic Nervous System. C) Parasympathetic Nervous System. D) Sympathetic Nervous System. Show Answer Correct Answer: D) Sympathetic Nervous System. 4. Something that can have an effect on the nervous system, such as a smell, image or pain. Something you can detect with your Nervous System. A) Receptor. B) Response. C) Effector. D) Stimulus. Show Answer Correct Answer: D) Stimulus. 5. Involuntary actions such as breathing, our heartbeat or sleeping are controlled by ..... A) The brain stem. B) The spinal chord. C) The cerebrum. D) The cerebellum. Show Answer Correct Answer: A) The brain stem. 6. The tiny gap between neurons where nerve impulses are sent from the neuron to the receiving cell. A) Myelin. B) Axon terminal. C) Impulse. D) Conclusion. Show Answer Correct Answer: D) Conclusion. 7. What are the main functions of the Nervous System? A) To receive information about what is happening inside and outside of your body. B) To receive information only about what is happing inside your body. C) To receive information only about what is happing outside the body. D) None of above. Show Answer Correct Answer: A) To receive information about what is happening inside and outside of your body. 8. Sciatia is inflammation of the ..... that results in ..... A) Sensory organs, headaches. B) Plexus, inflammation. C) Sciatic nerve, pain. D) Sciatic nerve, confusion. Show Answer Correct Answer: C) Sciatic nerve, pain. 9. Where are interneurons primarily located? A) In the sensory organs. B) In the central nervous system. C) Outside the nervous system. D) In the peripheral nervous system. Show Answer Correct Answer: B) In the central nervous system. 10. What part of the neuron receives impulse? A) Cell body. B) Axon Terminal. C) Dendrites. D) Axon. Show Answer Correct Answer: C) Dendrites. 11. Which of the following is NOT a function of the frontal lobe? A) Personality. B) Motor function. C) Decision making. D) Visual processing. Show Answer Correct Answer: D) Visual processing. 12. Subdivision of the PNS that controls voluntary activities such as activation of skeletal muscles. A) PNS. B) CNS. C) Autonomic Nervous System. D) Somatic Nervous System. Show Answer Correct Answer: D) Somatic Nervous System. 13. Your brain helps you to remember A) No. B) Yes. Show Answer Correct Answer: B) Yes. 14. The Parietal Lobe is in Charge of Temperature, Taste, and Touch. A) False. B) True. Show Answer Correct Answer: B) True. 15. Identify Letter O A) Diaphragm. B) Larynx. C) Trachea. D) Pharynx. Show Answer Correct Answer: D) Pharynx. 16. What bring oxygenated blood from the lungs to the heart? A) Pulmonary vessel. B) Pulmonary veins. C) Vena cava. D) Pulmonary sac. Show Answer Correct Answer: B) Pulmonary veins. 17. The iris is present behind the lens A) True. B) False. Show Answer Correct Answer: B) False. 18. Astrocytes are described as which of the following? A) Rare, cube-shaped cells. B) Abundant, star-shaped cells. C) Small, round cells. D) Thin, elongated cells. Show Answer Correct Answer: B) Abundant, star-shaped cells. 19. The diencephalon contains all of the following structures EXCEPT A) Thalamus. B) Hypothalamus. C) Cerebellum. D) Pineal gland. Show Answer Correct Answer: C) Cerebellum. 20. What are reflex actions? A) Reflx actions are the actions that include the brain. B) Reflex actions are the ations that do not include the spinal cord. C) Reflex actions are the actions thatinclue both the brain and the spinal cord. D) Reflex actions are the actions that do not include the brain. Show Answer Correct Answer: D) Reflex actions are the actions that do not include the brain. 21. Cochlear duct is separated from scala tympani by the ..... A) Vestibular membrane. B) Basilar membrane. Show Answer Correct Answer: B) Basilar membrane. 22. This occurs when negative ions enter the neuron, making it less prone to firing an action potential. A) Repolarization. B) Polarization. C) Hyperpolarization. D) Depolarization. Show Answer Correct Answer: C) Hyperpolarization. 23. The bundle of thread-like fibers that extend from the brain stem to the lower part of the back A) Spinal cord. B) Nerves. C) Cerebellum. D) Cerebrum. Show Answer Correct Answer: A) Spinal cord. 24. A network of branches coming from individual cells. They act as receptors and receive information for the nervous system A) Axon. B) Dendrite. C) Neuron. D) Axon terminal. Show Answer Correct Answer: B) Dendrite. 25. During repolarization, what ions are moving out of the cell? A) Sodium. B) Potassium. C) Both Sodium and Potassium. D) Calcium. Show Answer Correct Answer: B) Potassium. 26. The ..... protects the brain from damage. A) Skull. B) Heart. C) Eyes. D) Head. Show Answer Correct Answer: A) Skull. 27. Connects the brain and spinal cord; located under the cerebellum; includes two regions known as the pons and the medulla oblongata. A) Cerebrum. B) Cerebrospinal fluid. C) Brain stem. D) Hypothalamus. Show Answer Correct Answer: C) Brain stem. 28. What is the English Meaning of the Medical Term Asthenia [ ASTHENIA ]? A) Positive deviation. B) Movement. C) Weakness, Debility. D) Speech. E) Order, Condition. Show Answer Correct Answer: C) Weakness, Debility. 29. These are the shallow grooves that separate the gyri. A) Sulci (Sulcus). B) Gyri (Gyrus). C) Convolutions. D) Fissures. Show Answer Correct Answer: A) Sulci (Sulcus). 30. Neurons that travel only from the brain to the body are called ..... A) Motor neurons. B) Inteneurons. C) Sensory neurons. D) None of above. Show Answer Correct Answer: A) Motor neurons. 31. The nerve root that enters the spinal cord dorsally controls: A) Spinal Tap. B) Motor. C) They will bring it out. D) Sensory. Show Answer Correct Answer: D) Sensory. 32. How fast can the brain send signals through the nerves? A) About 100 miles per hour. B) About 300 miles per hour. C) About 200 miles per hour. D) None of above. Show Answer Correct Answer: C) About 200 miles per hour. 33. During the resting state, where is there a greater concentration of sodium ions? A) Inside the neuron. B) Outside the neuron. Show Answer Correct Answer: B) Outside the neuron. 34. The ..... nervous system is made up of the brain and spinal cord. A) Peripheral. B) Anterior. C) Central. D) Posterior. Show Answer Correct Answer: C) Central. 35. Neurotransmitter chemical released at the ends of nerve cells A) Cerebellum. B) Dendrite. C) Acetylcholine. D) Axon. Show Answer Correct Answer: C) Acetylcholine. 36. Carol sets a brand new plant near the window. After several weeks, Carol realizes the flower is starting to tilt towards the sunlight. What would be considered the STIMULI in this scenario? A) The window. B) The dirt in the flower pot. C) The sunlight. D) Water. Show Answer Correct Answer: C) The sunlight. 37. What PROTECTS your brain? A) Rib cage. B) Skull. Show Answer Correct Answer: B) Skull. 38. Visceral sensory (afferent) fibers carry information from the A) Organs in the ventral body cavity to the CNS. B) Skin, skeletal muscles, and joints to the CNS. C) CNS to smooth muscles, cardiac muscles, and glands. D) CNS to skeletal muscles. Show Answer Correct Answer: A) Organs in the ventral body cavity to the CNS. 39. Nerve cells; highly specialized to transmit messages (nerve impulses) from one part of the body to another. A) Axons. B) Pons. C) Neurons. D) Neurilemma. Show Answer Correct Answer: C) Neurons. 40. The ..... controls respiration, blood pressure, and heartbeat. A) Medulla oblongata. B) Cerebrum. C) Cerebellum. D) Thalamus. Show Answer Correct Answer: A) Medulla oblongata. 41. What happens in the somatosensory cortex? A) Feeling textures. B) Seeing. C) Hearing sounds. D) Tasting. Show Answer Correct Answer: A) Feeling textures. 42. What part of the peripheral nervous system controls involuntary functions such as heart rate and smooth muscle? A) Choroid Plexus. B) Central nervous system. C) Autonomic Nervous System. D) Peripheral nervous system. Show Answer Correct Answer: C) Autonomic Nervous System. 43. How does an impulse travel from one neuron to another? A) "Blood carries the impulse from cell to cell.". B) The axon of one cell expands briefly so that it touches the dendrites of the other cell.". C) This information has not yet been discovered. D) Chemical neurotransmitters help the impulse "jump" across the space between the cells.". Show Answer Correct Answer: D) Chemical neurotransmitters help the impulse "jump" across the space between the cells.". 44. What is the spinal cord? A) A tube like structures which is surrounded and protected by the vertebral column. B) A tube like structures that connects the brain together with itself. Show Answer Correct Answer: A) A tube like structures which is surrounded and protected by the vertebral column. 45. Joints connect bone to ..... A) Bone. B) Other Joints. C) Tendons. D) Ligaments. Show Answer Correct Answer: A) Bone. 46. The portion of the diencephalon that acts as a relay station for sensory impulses traveling to the sensory cortex is the ..... A) Hypothalamus. B) Pons. C) Thalamus. D) Pituitary gland. Show Answer Correct Answer: C) Thalamus. 47. The part of the brain in charge of thinking and memory. A) Cerebrum. B) Neuron. C) Medulla. D) Cerebellum. Show Answer Correct Answer: A) Cerebrum. 48. This neurotransmitter stimulates the muscles to contract ..... A) Dopamine. B) Serotonin. C) Acetylcholine. D) Norepinephrine. Show Answer Correct Answer: C) Acetylcholine. 49. What are the nerves made up of? A) Cells. B) Nerves. C) Neurons. D) Sense organs. Show Answer Correct Answer: C) Neurons. 50. It is a brain disorder which causes unintended/uncontrollable movements.Includes shaking, stiffness, and difficulty with balance and coordination. A) Bell's palsy. B) Parkinson. C) Alzheimer. D) Huntington. Show Answer Correct Answer: B) Parkinson. 51. What is the largest structure of the ear? A) Malleus. B) Cochlea. C) Pinna. D) Tympanic membrane. Show Answer Correct Answer: C) Pinna. 52. How does the nervous system respond to high temperatures? A) By decreasing heart rate. B) By increasing body temperature further. C) By increasing perspiration. D) By reducing blood flow to the skin. Show Answer Correct Answer: C) By increasing perspiration. 53. Which layer of the meninges is closest to the brain? A) Dura Mater. B) Arachnoid Mater. C) Pia Mater. D) None of above. Show Answer Correct Answer: C) Pia Mater. 54. Mike is exercising and carbon dioxide is building up in his blood. This is detected by chemoreceptors in his blood vessels which send a message to the hypothalamus in the brain. This signals the heart rate and breathing rate to increase. What is the receptor? A) Hypothalamus. B) Increase in carbon dioxide in the blood. C) Chemoreceptors. D) Increase in heart and breathing rate. Show Answer Correct Answer: C) Chemoreceptors. 55. Coordinates actions of muscles and helps maintain balance A) Cerebrum. B) Cerebellum. C) Brain. D) Brain stem. Show Answer Correct Answer: B) Cerebellum. 56. True or False:A neuron could be innervated by both IPSP and EPSP pre-synaptic neurons? A) False. B) True. Show Answer Correct Answer: B) True. 57. Peripheral nerves serve as ..... A) Recipients of stimuli. B) Memory center. C) Sending stimuli. D) Delivering stimuli to the central nervous system. E) All Answers are Correct. Show Answer Correct Answer: D) Delivering stimuli to the central nervous system. 58. What percentage of nerve cells do neurons make up? A) 10%. B) 90%. C) 50%. D) 20%. Show Answer Correct Answer: A) 10%. 59. The Hypothalamus controls what functions? A) Relay station for pain. B) Relay station for memory. C) Homeostasis, body tempature, water balance. D) Speech and language. Show Answer Correct Answer: C) Homeostasis, body tempature, water balance. 60. What insulates the nerve fibers? A) Myelin Sheath. B) Axon hillock. C) Schwann Cells. D) Dendrites. Show Answer Correct Answer: A) Myelin Sheath. ← 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