This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 73 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 73 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Four statements are given.Which of the following options correctly describes the events that occur at a synapse? A) 1 $\rightarrow$ 2 $\rightarrow$ 3 $\rightarrow$ 4. B) 2 $\rightarrow$ 1 $\rightarrow$ 4 $\rightarrow$ 3. C) 2 $\rightarrow$ 4 $\rightarrow$ 1 $\rightarrow$ 3. D) 3 $\rightarrow$ 1 $\rightarrow$ 4 $\rightarrow$ 2. Show Answer Correct Answer: D) 3 $\rightarrow$ 1 $\rightarrow$ 4 $\rightarrow$ 2. 2. Glial cell that forms the myelin sheath for axons in the PNS A) Microglial cell. B) Ranvier cell. C) Neurofibril. D) Schwann cell. Show Answer Correct Answer: D) Schwann cell. 3. The cranium consists of the ..... that that form the ..... part of the skull A) Spinal cord, lower. B) Spinal cord, upper. C) Brain, lower. D) Brain, upper. Show Answer Correct Answer: D) Brain, upper. 4. Olfactory nerve function to what ..... A) Sense of Touch. B) Sense of taste. C) Sense of smell. D) Sense of pain. Show Answer Correct Answer: C) Sense of smell. 5. An automatic movement in response to a stimulus is A) A neuron. B) A sensory neuron. C) Conclusion. D) A reflex. Show Answer Correct Answer: D) A reflex. 6. Which lobe is responsible for processing visual information? A) Parietal lobe. B) Frontal lobe. C) Occipital lobe. D) Temporal lobe. Show Answer Correct Answer: C) Occipital lobe. 7. The nervous system is best described by which of the following: A) Maintains homeostasis. B) Detects changes, makes decisions, stimulates muscles and glands to respond, and maintains homeostasis. C) Causes changes, detects decisions, stimulates muscles and glands to respond, and maintains homeostasis. D) Makes decisions. Show Answer Correct Answer: B) Detects changes, makes decisions, stimulates muscles and glands to respond, and maintains homeostasis. 8. A threshold stimulus is? A) The minimum amount of stimulus needed to trigger an action potential. B) The movement of negative ions into the axon to trigger an action potential. C) The outflow of positive potassium ions to reset the neuron. D) None of above. Show Answer Correct Answer: A) The minimum amount of stimulus needed to trigger an action potential. 9. The gap into which neurotransmitters are released by the arrival of an impulse is called A) Postsynaptic membrane. B) Synaptic cleft. C) Presynaptic membrane. D) Gap junction. E) Impulse channel. Show Answer Correct Answer: B) Synaptic cleft. 10. What is the role of the nervous system in the body A) To protect other organs and tissues. B) To send messages using blood cells. C) To gather & respond to information. D) To transport oxygen and carbon dioxide. Show Answer Correct Answer: C) To gather & respond to information. 11. Region of brain which understands language A) Wernicke's area. B) Primary motor. C) Somatosensory. D) Medulla oblongata. E) Broca's area. Show Answer Correct Answer: A) Wernicke's area. 12. The compact area of a nerve cell that constitutes the nucleus and surrounding cytoplasm, excluding the axons and dendrites. A) Nerve impulse. B) Motor neuron. C) Cell body. D) Sensory neuron. Show Answer Correct Answer: C) Cell body. 13. The ..... is the control center of the body. The central nervous system relays messages, processes information, and analyzes information. A) Parasympathetic nervous system. B) Somatic nervous system. C) Central nervous system. D) Autonomic nervous system. Show Answer Correct Answer: C) Central nervous system. 14. The impulse causes the release of what, at the synapse? A) Glucose. B) Adrenalin. C) Transmitter substance (neurotransmitters). D) Growth hormone. Show Answer Correct Answer: C) Transmitter substance (neurotransmitters). 15. Which is the following joint which can move full 360 degree. A) Ball and socket joint. B) Gliding joint. C) Pivot joint. D) Hinge joint. Show Answer Correct Answer: A) Ball and socket joint. 16. Muscle remains contracted due to overuse, lack of water, or lack of oxygen A) Strain. B) Sprain. C) Cramp. D) Pulled Muscle. Show Answer Correct Answer: C) Cramp. 17. Accumulation of excess cerebrospinal fluid (CSF) inside the ventricles of the brain, swelling around the brain that can cause brain damage if untreated A) Cataract. B) Hydrocephalus. C) Cerebrovascular accident. D) Hyperopia. Show Answer Correct Answer: B) Hydrocephalus. 18. Which of the following meninges is the toughest? A) Dura. B) Pia. C) Arachnoid. D) None of above. Show Answer Correct Answer: A) Dura. 19. Dax is racing his go-kart. He knows that there is a dry stream bed that is just up the road. In order to get to the other side he can slowly go down one side of the bed and up the other, or he can jump it. Dax decides to jump the stream bed. Which of the following words has the best connection to what is going on above? A) Dendrite. B) Neurochemical. C) Motor neuron. D) Axon. E) Conclusion. Show Answer Correct Answer: E) Conclusion. 20. How many layers of meninges protect the brain? A) 3. B) 5. C) 4. D) 2. Show Answer Correct Answer: A) 3. 21. The Peripheral Nervous System made up of: A) Nerves that branch out from the spinal cord. B) Dendrites and axons. C) Stimulus and response. D) Brainstem, cerebellum, and skull. Show Answer Correct Answer: A) Nerves that branch out from the spinal cord. 22. The fontal lobe of the brain controls ..... A) Visual processing. B) Movement and balance. C) Reasoning, planning. D) Auditory, memory. Show Answer Correct Answer: C) Reasoning, planning. 23. Which system houses the brain and spinal cord? A) Central. B) Peripheral. Show Answer Correct Answer: A) Central. 24. What are the chemicals that transmit a signal across a synapse from one neuron to another? A) Impulses. B) Neurotransmitters. C) Thresholds. D) Termini. Show Answer Correct Answer: B) Neurotransmitters. 25. It supplies motor impulses to the skeletal muscles because these nerves permit conscious control of the skeletal muscles and sometimes called the voluntary nervous system. A) Domatic nervous system. B) Somatic Nervous System. C) Autonomic nervous system. D) Automatic nervous system. Show Answer Correct Answer: B) Somatic Nervous System. 26. Pain receptors are stimulated by ..... A) Pressure or movement. B) Tissue damage. C) Light energy. D) Temperature change. Show Answer Correct Answer: B) Tissue damage. 27. This type of neuron transmit signals toward CNS. A) Conclusion. B) Sensory. C) Interneurons. D) Motor. Show Answer Correct Answer: B) Sensory. 28. Nerve cells create electrical signals called ..... in the cell body. A) Nerve impulses. B) Conclusion. Show Answer Correct Answer: A) Nerve impulses. 29. What is the function of cerebrospinal fluid (CSF)? A) To provide oxygen to the brain. B) To serve as a cushion and protect the brain and spinal cord. C) To produce red blood cells. D) To initiate nerve impulses. Show Answer Correct Answer: B) To serve as a cushion and protect the brain and spinal cord. 30. The speed of neural conduction between neurons will result in difficulties in speaking, vision, and balance if the ..... insulating the axons is damaged or removed A) Central Nervous System. B) Neurons. C) Myelin sheath. D) Axons. Show Answer Correct Answer: C) Myelin sheath. 31. What's another name for taste? A) Gustation. B) Olfaction. C) Vision. D) None of above. Show Answer Correct Answer: A) Gustation. 32. Meningitis is the tern to describe inflammation of the ..... A) Brain. B) Meninges. C) Both the brain and meninges. D) None of the above. Show Answer Correct Answer: B) Meninges. 33. The Hippocampus is located in the center of your brain. A) True. B) False. Show Answer Correct Answer: A) True. 34. What is integration? A) The interpretation and understanding of the signals sent from the senses. B) Keeps the body in balance. C) Conduct impulses from the brain or spinal cord to muscles. D) Responsible for the voluntary or conscious activities. Show Answer Correct Answer: A) The interpretation and understanding of the signals sent from the senses. 35. A person with a pacemaker cannot use a A) PET. B) CT. C) EEG. D) MRI or fMRI. Show Answer Correct Answer: D) MRI or fMRI. 36. What makes muscles contract and relax A) The sensory nerves. B) The connective nerves. C) The motor nerves. D) The associative nerves. Show Answer Correct Answer: C) The motor nerves. 37. The spine has this many pairs of neurons A) 31. B) 943. C) 3. D) 24. Show Answer Correct Answer: A) 31. 38. Sensory organs are made of A) Nose and tongue. B) Eyes and skin. C) Ear. D) All of the above. Show Answer Correct Answer: D) All of the above. 39. What are the main organs of the Central Nervous System (CNS)? A) Brain and Spinal Cord. B) Heart and Lungs. C) Liver and Kidneys. D) Pancreas and Gallbladder. Show Answer Correct Answer: B) Heart and Lungs. 40. A type of neuron (nerve) that transmits messages from receptors to the central nervous system A) Inter-neuron. B) Hormone. C) Motor Neuron. D) Sensory Neuron. Show Answer Correct Answer: D) Sensory Neuron. 41. An example of a somatic reflex is: A) Pulling your hand away from a hot object. B) Secretion of saliva. C) Dilation of pupils. D) None of above. Show Answer Correct Answer: A) Pulling your hand away from a hot object. 42. How does the body make new skin? A) By recycling old skin cells. B) By changing blood cells into skin cells. C) By existing skin cells getting bigger. D) Through the division of existing skin cells. Show Answer Correct Answer: D) Through the division of existing skin cells. 43. Synaptic vesicles release substances within the vesicles by exocytosis from where? (General subject 55) A) Axon Hillock. B) Dendritor. C) Nodes of Raevier. D) The axon terminal of the neuron precedes the synapse. E) The post-synaptic nerve cell membrane. Show Answer Correct Answer: D) The axon terminal of the neuron precedes the synapse. 44. Promotes maintenance functions, conserves energy A) PARASYMPATHETIC. B) SYMPATHETIC. Show Answer Correct Answer: A) PARASYMPATHETIC. 45. Which is the control centre of our body? A) Brain. B) Spinal Cord. C) Nerves. D) None of above. Show Answer Correct Answer: A) Brain. 46. Sensory input includes the brain becoming aware of internal conditions (in addition to external environment) A) True. B) False. Show Answer Correct Answer: A) True. 47. The human brain is estimated to have about ..... nerve cells A) 1000 billion. B) 1000 million. C) 100 million. D) 100 billion. Show Answer Correct Answer: D) 100 billion. 48. This nervous system branch causes increases in heart rate and breathing. A) Somatic. B) Sensory. C) Parasympathetic. D) Sympathetic. Show Answer Correct Answer: D) Sympathetic. 49. What is the correct term for the junction between 2 neurones? A) Dendrite. B) Cell body. C) Conclusion. D) Neurotransmitter. Show Answer Correct Answer: C) Conclusion. 50. They allow us to move, speak, swallow and breathe by sending commands from the brain to the muscles that carry out these functions. A) Sensory neurons. B) Motor neurones. Show Answer Correct Answer: B) Motor neurones. 51. The effect of myelin and nodes of Ranvier is to make nerve impulses travel A) Away from as well as toward the cell body. B) Faster. C) In many directions at once. D) Laterally from axon to axon. E) Slower. Show Answer Correct Answer: B) Faster. 52. A neuron that connects the central nervous system and a muscle is called: A) A sensory neuron. B) The spinal cord . C) A motor neuron. D) A relay neuron. Show Answer Correct Answer: C) A motor neuron. 53. This is the largest part of the brain. It controls your voluntary movements, thinking, and decision-making processes. A) Brain stem. B) Cerebellum. C) Cerebrum. D) None of above. Show Answer Correct Answer: C) Cerebrum. 54. If you're in a dark room, what would happen to the size or your pupil? A) Dilate to allow more light in. B) Constrict to allow more light in. C) Dilate to allow less light in. D) Constrict to allow less light in. Show Answer Correct Answer: A) Dilate to allow more light in. 55. The ..... of the brain controls movement and maintains the balance of the body. A) Cerebellum. B) Medulla oblongata. C) Brain stem. D) Cerebrum. Show Answer Correct Answer: A) Cerebellum. 56. Hypothalamus is the thermoregulatorycentre of human body. A) True. B) False. Show Answer Correct Answer: A) True. 57. What does a motor neuron do? A) Carries signals from teh brain to the organs and other tissues. B) Carries messages from the body to the brain. C) Serves as a link between other neurons. D) None of above. Show Answer Correct Answer: A) Carries signals from teh brain to the organs and other tissues. 58. How is the nervous system related to the muscular system? A) By the brain stem. B) By the cerebrum. C) By the cerebellum. D) None of above. Show Answer Correct Answer: C) By the cerebellum. 59. The ..... consists mainly of nerves that extend from the brain and spinal cord. A) Central nervous system. B) Peripheral nervous system. Show Answer Correct Answer: B) Peripheral nervous system. 60. A loud sound, a bright light, and a poke from a sharp pin are all examples of: A) Axons. B) Stimuli. C) Effector. D) None of above. 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