This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 75 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 75 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the myelination in the PNS? A) Oligodendrocytes. B) Astrocytes. C) Microglia. D) Schwann cells. Show Answer Correct Answer: D) Schwann cells. 2. The junction between two communication neurons is called the A) Conclusion. B) Calcium Channel. C) Neurotransmitter. D) Nerve Pathway. Show Answer Correct Answer: A) Conclusion. 3. What are the shallow grooves on the surface of the brain? A) Fissures. B) Hippocampus. C) Sulci. D) Gyri. Show Answer Correct Answer: C) Sulci. 4. What receives messages and sends them to the brain? A) Heart. B) Nerves. C) Lungs. D) Brain. Show Answer Correct Answer: B) Nerves. 5. What does Dopamine do? A) Increases your heart rate. B) Increases motivation and pleasure. C) Calms you down. D) Makes you angry. Show Answer Correct Answer: B) Increases motivation and pleasure. 6. The neurons carry messages or impulses to and from the different parts of the body. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 7. Controls your bodyś involuntary actions such as breathing and heartbeat A) Cerebellum. B) Axon. C) Cerebrum. D) Brain Stem. Show Answer Correct Answer: D) Brain Stem. 8. The somatic and autonomic nervous systems are a part of the ..... nervous system. A) Peripheral. B) Central. Show Answer Correct Answer: A) Peripheral. 9. Question 8The body's automatic activities such as breathing and digestion are controlled by the:( the right answer) A) Cerebellum. B) Medulla oblongata. C) Brain stem. D) The brain. Show Answer Correct Answer: C) Brain stem. 10. (Identify the type of muscle contraction described below as eccentric, concentric, both, or none. Answers may be used more than once.)Isotonic contraction is A) Both. B) Concentric. C) Eccentric. D) None of above. Show Answer Correct Answer: A) Both. 11. The nervous system works with these two systems to direct behavior and movement. A) Respiratory and excretory. B) Skeletal and muscular. C) Respiratory and digestive. D) Skeletal and digestive. Show Answer Correct Answer: B) Skeletal and muscular. 12. After the threshold potential is achieved (-55mV) what happens A) Na+ ion channels open and depolarization occurs. B) K+ ion channels open and depolarization occurs. C) K+ ion channels open and repolarization occurs. D) Na+ ion channels open and repolarization occurs. Show Answer Correct Answer: A) Na+ ion channels open and depolarization occurs. 13. What is the equation to calculate time? A) Time = distance x speed. B) Time = speed/distance. C) Time = speed x distance. D) Time = distance/speed. Show Answer Correct Answer: D) Time = distance/speed. 14. Combing your hair and lifting weights are both examples of which type of muscle movement? A) Smooth. B) Skeletal. C) Voluntary. D) Involuntary. Show Answer Correct Answer: C) Voluntary. 15. A covering around the eye and under the eyelids. A) Lacrimal duct. B) Cornea. C) Conjunctiva. D) Vitreous humor. Show Answer Correct Answer: C) Conjunctiva. 16. This part of the PNS controls reflexes and voluntary actions. A) Somatic. B) Autonomic. Show Answer Correct Answer: A) Somatic. 17. When an impulse reaches the end of a neuron, it triggers the release of A) Dendrites. B) Sodium ions. C) Neurotransmitters. D) Receptors. Show Answer Correct Answer: C) Neurotransmitters. 18. The nervous system has 3 divisions A) True. B) False. Show Answer Correct Answer: B) False. 19. Branch of biology that deals with the nervous system A) Neurobiology. B) Neurology. C) Myology. D) Biology. Show Answer Correct Answer: A) Neurobiology. 20. The Peripheral Nervous System is abbreviated as PNS A) True. B) False. Show Answer Correct Answer: A) True. 21. ..... are branches of the main cell body. A) Nodes. B) Nerves. C) Axons. D) Dendrites. Show Answer Correct Answer: D) Dendrites. 22. Becoming paralyzed as a result of a fall would damage which part of the nervous system? A) Sympathetic. B) Peripheral. C) Central. D) Autonomic. E) All would be damaged. Show Answer Correct Answer: C) Central. 23. How does myelin speed up an action potential A) Allows it to skip sections to depolarize faster. B) Causes more areas to deplarize. C) Causes the action potential to move in one direction. D) Causes the action potential to get stronger. Show Answer Correct Answer: A) Allows it to skip sections to depolarize faster. 24. The central nervous system is made up of the: A) Brain. B) Spinal cord. C) Peripheral nerves. D) Both brain and spinal cord. Show Answer Correct Answer: D) Both brain and spinal cord. 25. What do mechanoreceptors in the body respond to? A) Temperature. B) Light. C) Chemicals. D) Touch. Show Answer Correct Answer: D) Touch. 26. If a neuron responds at all, it responds completely. This is known as the A) Threshold. B) All-or-none response. C) Neuronal pool. D) Withdrawal reflex. Show Answer Correct Answer: B) All-or-none response. 27. Once a neuron is completely depolarized, it reaches a membrane potential of about ..... (known as the action potential) A) -30mv. B) +30mv. C) +55mv. D) -55mv. Show Answer Correct Answer: B) +30mv. 28. Which part of the brain is responsible for conducting messages to other parts of the brain; for certain reflex actions including chewing, tasting, and saliva production. A) Midbrain. B) Medulla. C) Cerebellum. D) Pons. Show Answer Correct Answer: D) Pons. 29. What is the nerve impulse in the axon called? A) Action potential. B) Conclusion. C) Resting potential. D) Membrane potential. Show Answer Correct Answer: A) Action potential. 30. Which division of the nervous system consists of the brain, spinal cord, and optic nerves? A) "Sympathetic system". B) Peripheral nervous system". C) Central nervous system". D) Autonomic nervous system. Show Answer Correct Answer: B) Peripheral nervous system". 31. Brain and Spinal cord are part of our ..... A) Peripheral Nervous System. B) Central Nervous System. Show Answer Correct Answer: B) Central Nervous System. 32. System which is not in our conscious control A) Autonomic NS. B) Somatic NS. C) Parasympathetic NS. D) Central NS. Show Answer Correct Answer: A) Autonomic NS. 33. The spinal cord is a long, thin tube containing nervous tissue. A) False. B) True. Show Answer Correct Answer: B) True. 34. What are interneurons? A) They connect spinal motor and sensory neurons. B) They are responsible for language. C) They connect the spinal chord to the brain. D) They connect grey matter to white matter. Show Answer Correct Answer: A) They connect spinal motor and sensory neurons. 35. The sub-arachnoid space contains? A) CSF. B) Meningeal arteries. C) Arachnoid. D) Dural sinuses. Show Answer Correct Answer: A) CSF. 36. True or false:The brain is protected by the skull and three layers of tissues called meninges. A) True. B) False. Show Answer Correct Answer: A) True. 37. Reasoning, analysis, movement speech A) Parietal lobe. B) Temporal lobe. C) Occipital lobe. D) Frontal lobe. Show Answer Correct Answer: D) Frontal lobe. 38. Combining form that mean cerebellum A) Turn. B) Brain. C) Cerebell/o. D) Encephal/o. Show Answer Correct Answer: C) Cerebell/o. 39. What is a Contusion? A) A bruise. B) A progressive disorder that interferes with the transmission of nerve impulses from the motor areas of the brain. C) The progressive destruction of the myelin sheath. D) A traumatic brain injury caused by a bump, blow, or jolt to the head or by a hit to the body that causes the head and brain to move rapidly back and forth. Show Answer Correct Answer: A) A bruise. 40. The bundle of nerve fibers that carry information from the retina to the brain. A) Iris. B) Myelin. C) Lens. D) Optic nerve. Show Answer Correct Answer: D) Optic nerve. 41. What are the two main structural divisions of the nervous system? A) The peripheral nervous system and central nervous system. B) The dendritic and the axonal systems. C) The sympathetic and parasympathetic systems. D) The brain and spinal nerves. Show Answer Correct Answer: A) The peripheral nervous system and central nervous system. 42. What part of the eye allows us to see color? A) Cones. B) Rods. C) Iris. D) Eyeball. Show Answer Correct Answer: A) Cones. 43. Which of the following best describes the structure and function of the Central Nervous System? A) Nerves and sensory receptors. Connects the CNS to organs, limbs, and skin. B) Brain and spinal cord.It transmits messages to and from the brain. It controls spinal reflexes. C) Neurons that carry impulses from CNS to the involuntary smooth muscles and organs. D) None of above. Show Answer Correct Answer: B) Brain and spinal cord.It transmits messages to and from the brain. It controls spinal reflexes. 44. People with damage to the ..... (a specialized area in the frontal lobe) speak slowly, and struggle to recall and express words verbally. A) Broca's Area. B) Somatosensory Cortex. C) Primary Motor Cortex. D) Wernicke's Area. Show Answer Correct Answer: A) Broca's Area. 45. The neuron before a synapse is a(n) ..... neuron. A) Motor. B) Presynaptic. C) Inhibitory. D) Postsynaptic. Show Answer Correct Answer: B) Presynaptic. 46. Which of the following is not one of the five basic tastes? A) Salty. B) Bitter. C) Coffee. D) Umami. Show Answer Correct Answer: C) Coffee. 47. It is the outer layer of gray matter; short and long term memory A) Cerebral Cortex. B) Hypothalamus. C) Pons. D) Amygdala. Show Answer Correct Answer: A) Cerebral Cortex. 48. The brain and spinal cord are both examples of: A) Coordination centre/coordinator. B) Receptor. C) Effector. D) Stimulus. Show Answer Correct Answer: A) Coordination centre/coordinator. 49. What are the two fibres to go out from the cell body A) Dendrites and Axons. B) Red and White Blood Cells. C) CNS and PNS. D) Nervous System. Show Answer Correct Answer: A) Dendrites and Axons. 50. It pumps oxygen and nutrient-rich blood throughout your body to sustain life. A) Heart. B) Nerves. C) Brain. D) Blood Vessels. Show Answer Correct Answer: A) Heart. 51. The nerve which sends messages to the spinal chord from the sense organs A) Motor nerves. B) Sensory nerves. C) Mixed nerves. D) Sense organ nerve. Show Answer Correct Answer: B) Sensory nerves. 52. Which of the following are affected by Alzheimer's? A) The ability to walk. B) Breathing. C) Recognition and memory. D) Muscle coordination. Show Answer Correct Answer: C) Recognition and memory. 53. Myelin is largely composted of protein (T/F)? A) True. B) False. Show Answer Correct Answer: B) False. 54. Which part of the nervous system is not involved in producing reflex actions?answer choices A) Spinal cord. B) Brain. C) Sensory. D) Receptor. Show Answer Correct Answer: B) Brain. 55. How can our sense of touch keep us safe? A) If we have a sense of touch, we never feel pain. B) Our sense of touch helps us breathe and provides oxygen to our body. C) Our sense of touch does not keep us safe in any way. D) Our sense of touch allows us to feel pain and know when our body is in trouble. Show Answer Correct Answer: D) Our sense of touch allows us to feel pain and know when our body is in trouble. 56. During a muscle contraction, muscle fibers shorten when ..... A) Actin filaments become shorter when they combine with myosin heads. B) Myosin heads rotate when they attach to actin, causing the myosin filaments to fold in the middle. C) Thin myofilaments are pulled toward the center of the sarcomere by the pivoting of the myosin heads. D) ACh reduces the friction between thin and thick myofilaments, so they slide over each more easily. Show Answer Correct Answer: C) Thin myofilaments are pulled toward the center of the sarcomere by the pivoting of the myosin heads. 57. A stroke is also known as a ..... A) Cerebrovascular accident (CVA). B) Concussion. C) Mild brain injury. D) Brain hemorrhage. Show Answer Correct Answer: A) Cerebrovascular accident (CVA). 58. A small space between nerve cells. A) Neurotransmitter. B) Dendrite. C) Conclusion. D) Axon. Show Answer Correct Answer: C) Conclusion. 59. What number is the Olfactory Nerve A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: D) 1. 60. It is located at the back of the brain. A) Cerebellum. B) Cerebrum. C) Hemisphere. D) Brain. Show Answer Correct Answer: A) Cerebellum. ← 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