This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 285 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 285 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A ..... is the specialized sensory receptor that processes chemicals. A) Chemoreceptors. B) Mechanoreceptors. C) Thermoreceptors. D) Photoreceptors. Show Answer Correct Answer: A) Chemoreceptors. 2. Identify the function of hypothalamus. A) It controls body temperature. B) It controls RAAS. C) It controls acid-base balance. D) It regulates respiratory rate. Show Answer Correct Answer: A) It controls body temperature. 3. The cell body ..... A) Decides the positions of the nodes of Ranvier. B) Helps to conduct signals towards the synaptic terminals. C) Decides the direction of signal conduction. D) Contains organelles that support neuronal cell function. Show Answer Correct Answer: D) Contains organelles that support neuronal cell function. 4. What type of neuron is associated with skeletal muscle control? A) Somatic sensory. B) Efferent sensory. C) Afferent sensory. D) Efferent motor. Show Answer Correct Answer: D) Efferent motor. 5. A wrapping of myelin around certain nerve axons, serving as an electrical insulator that speeds nerve impulses to muscles and other effectors. A) Myelin Sheath. B) Axon. C) Conclusion. D) Dendrite. Show Answer Correct Answer: A) Myelin Sheath. 6. Prefix that means four A) Tri-. B) Paintings-. C) Hemi-. D) Mono-. Show Answer Correct Answer: B) Paintings-. 7. A functional reflex requires- A) Only a sensory neuron and a motor neuron. B) A sensory neuron, the thalamus, and a motor neuron. C) The cerebral cortex and a motor neuron. D) Only the cerebral cortex and the thalamus. Show Answer Correct Answer: A) Only a sensory neuron and a motor neuron. 8. Form Myelin sheaths in the PNS A) Astrocytes. B) Ependymal cells. C) Schwann cells. D) Oligodendrocytes. Show Answer Correct Answer: C) Schwann cells. 9. Nerve Potential does not follow the "ALL OR NONE PRINCIPLE" A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 10. When information is retained in the brain and retrievable for a brief span of time A) Long term memory. B) Short term memory. C) Brain recall. D) None of above. Show Answer Correct Answer: B) Short term memory. 11. The sense of taste is affected by what other sense? A) Hearing. B) Sight. C) Touch. D) Smell. Show Answer Correct Answer: D) Smell. 12. Which part of the brain helps regulate body temperature, metabolism, and emotions? A) Hypothalamus. B) Thalamus. C) Epithalamus. D) Denathalamus. Show Answer Correct Answer: A) Hypothalamus. 13. The part of the brain that controls breathing and the heartbeat is the ..... A) Cranium. B) Cerebrum. C) Cerebellum. D) Medulla oblongata. Show Answer Correct Answer: D) Medulla oblongata. 14. When a neuron is not engaged in an impulse, we call this ..... A) Action potential. B) Resting potential. C) Neural potential. D) Synaptic potential. Show Answer Correct Answer: B) Resting potential. 15. The motor/efferent division of the nervous system carries impulses from the CNS to A) Muscles and glands. B) Muscles and bones. C) Muscles and blood cells. D) Glands and blood cells. Show Answer Correct Answer: A) Muscles and glands. 16. Your getting ready to compete in the biggest competition in your life! You are nervous and excited. Which part of your nervous system prepares you? A) Parasympathetic. B) Sympathetic. Show Answer Correct Answer: B) Sympathetic. 17. True or False. An electrical message is sent from the dendrites to the cell body down the axon. Once that message reaches the axon terminal it is converted into a chemical message through neurotransmitters. A) True. B) False. Show Answer Correct Answer: A) True. 18. Chemicals that carry the impulse across the synapse from one neuron to the next are called A) Autonomic. B) Astrocyte. C) Neurotransmitters. D) Sodium. Show Answer Correct Answer: C) Neurotransmitters. 19. Where is the Midbrain located? A) The section behind the brain. B) The section behind the cerebrum. C) The section behind the spinal cord. D) The section located below the cerebrum at the top of the brainstem. Show Answer Correct Answer: D) The section located below the cerebrum at the top of the brainstem. 20. True or False:Your brain and spinal cord react when you have a reflex A) False. B) True. Show Answer Correct Answer: A) False. 21. Bundles of Peripheral Nervous System axons are referred to as a A) Cord. B) Fascicle. C) Tract. D) Nerve. Show Answer Correct Answer: D) Nerve. 22. The nervous system subdivision that is composed of the brain and spinal cord. A) PNS. B) Autonomic Nervous Sytem. C) Somatic Nervous System. D) CNS. Show Answer Correct Answer: D) CNS. 23. What is the job of the Thalamus? A) Has nerve centers that control different body processes and keep body conditions balanced. B) Plays an important role in emotional responses. C) Controls breathing. D) Is a relay station for incoming sensory impulses, such as vision. Show Answer Correct Answer: D) Is a relay station for incoming sensory impulses, such as vision. 24. What gives the eyeball its shape and fluid-like texture? A) Sclera. B) Ciliary body. C) Cornea. D) Vitreous humor. Show Answer Correct Answer: D) Vitreous humor. 25. Branches of a neuron that collect stimuli A) Myelin sheath. B) Dendrites. C) Cell Body. D) None of above. Show Answer Correct Answer: B) Dendrites. 26. What is the threshold potential for the propagation of an action potential along the axon of a neuron? A) -35 mV. B) -55 mV. C) -80 mV. D) -70 mV. Show Answer Correct Answer: B) -55 mV. 27. The somatic nervous system has afferent and efferent neural pathways, and the spinal cord has afferent and efferent tracts, which transmit neural messages. The afferent neural pathways and tracts are both made up of sensory neurons. A) False. B) True. Show Answer Correct Answer: A) False. 28. The hole in the iris gets bigger and smaller because A) The iris is a muscle that moves to make the pupil larger/smaller. B) The pupil can adjust itself to the amount of light coming in. C) The pupil is a muscle that controls the size of the iris. D) None of above. Show Answer Correct Answer: A) The iris is a muscle that moves to make the pupil larger/smaller. 29. Cranial nerve IX is ..... A) Glossopharyngeal. B) Vagus. C) Vestibulocochlear. D) Olfactory. Show Answer Correct Answer: A) Glossopharyngeal. 30. This is over production of CSF(Cerebrospinal Fluid) in the brain. A) Hydrocephalus. B) Concussion. C) Spina Bifida. D) Brain Contusion. Show Answer Correct Answer: A) Hydrocephalus. 31. How many main parts a brain has? A) 8. B) 17. C) 5. D) 3. Show Answer Correct Answer: D) 3. 32. Touch, pain, temperature, sweet, sour, are processed by the ..... lobe A) Parietal. B) Temporal. C) Frontal. D) Occipital. Show Answer Correct Answer: A) Parietal. 33. The center for thirst is located in the ..... A) Hypothalamus. B) Thalamus. C) Cerebellum. D) Cerebrum. Show Answer Correct Answer: A) Hypothalamus. 34. The part of the neuron which houses the neurotransmitters A) Dendrites. B) Synaptic Vesicles. C) Conclusion. D) Terminal buttons. Show Answer Correct Answer: B) Synaptic Vesicles. 35. Nervous system disorder transmitted through a mosquito A) Epilepsy. B) Knee jerk reflex. C) Sympathetic system. D) Central nervous system. E) West nile virus. Show Answer Correct Answer: E) West nile virus. 36. Al experienced hallucinations, seizures, and temporary loss of consciousness. His doctor diagnosed the condition following an EEG which showed uncontrolled electrical activity of neurons. With which disorder has Al been diagnosed? A) Epilepsy. B) Neuritis. C) Meningitis. D) Hydrocephalus. Show Answer Correct Answer: A) Epilepsy. 37. There are 2 basic types of reflexes. Which 1 occurs when pulling your hand away from a hot object A) Somatic reflex. B) Autonomic reflex. Show Answer Correct Answer: A) Somatic reflex. 38. The Meninges are the coverings of ..... A) Heart. B) Brain. C) Liver. D) Lungs. Show Answer Correct Answer: B) Brain. 39. Damage to Broca's area causes speech that is A) Non fluent, slurred, comprised mostly of nouns and verbs. B) Fluent, but does not make sense. C) Coherent. D) Slurred. Show Answer Correct Answer: A) Non fluent, slurred, comprised mostly of nouns and verbs. 40. What is a hemorrhagic stroke? A) Blood vessel blockage. B) Temporary. C) Concussion. D) Brain bleed. Show Answer Correct Answer: D) Brain bleed. 41. Which muscle receptor sense the amount of stretch and the rate of stretch? A) Pacinian corpuscles. B) Ruffini's corpuscles. C) Golgi tendon organ. D) Muscle spindle. Show Answer Correct Answer: D) Muscle spindle. 42. The gradual shrinking of the neurons in the cerebrum. A) Epilepsy. B) Parkinson's. C) Alzheimer's. D) None of the Above. Show Answer Correct Answer: C) Alzheimer's. 43. The nerve that consist of sense neurons is known as ..... A) Muscles nerve. B) Brain nerve. C) Skeletal nerve. D) Sensory nerve. Show Answer Correct Answer: D) Sensory nerve. 44. Sensory neurons carry messages ..... A) From the spine to the brain. B) From the five senses to the brain. C) From the brain to the muscles. D) From the hands to the feet. Show Answer Correct Answer: B) From the five senses to the brain. 45. Whose job is it to carry nerve impulses away from a cell body in a neuron? A) Axons. B) Spinal Cord. C) Synapses. D) Dendrites. Show Answer Correct Answer: A) Axons. 46. How many axons are there? A) 6. B) 1. C) 8. D) 3. Show Answer Correct Answer: B) 1. 47. State the main function of the peripheral nervous system choose the BEST answer A) To keep us happy all the time. B) To control homeostasis. C) To control the operation and movements of the body based on the sensory information it gathers, both internally and externally. D) To make us sweat. Show Answer Correct Answer: C) To control the operation and movements of the body based on the sensory information it gathers, both internally and externally. 48. I use my eyes to see ..... and shapes. A) Colours. B) Soft. C) Quiet. D) Bad. Show Answer Correct Answer: A) Colours. 49. What type of neuroglia help dispose of dead brain cells? A) Astrocytes. B) Microglia. C) Ependymal cells. D) Oligodendrocytes. E) None of these. Show Answer Correct Answer: B) Microglia. 50. True or false potassium is low on the outside? A) Talk. B) True. Show Answer Correct Answer: B) True. 51. The number of neurons in the cerebral cortex A) 15 thousand. B) 1300. C) 14 bln. D) 39 mln. E) 160 thousand. Show Answer Correct Answer: C) 14 bln. 52. Which of the following statements about the nervous system is false? A) Impulse is slow. B) Consists of the brain, spinal cord and nerves. C) Hormones are not secreted. D) Messages are sent as impulses. Show Answer Correct Answer: A) Impulse is slow. 53. A receptor that detects stimuli from the external environment is A) A muscle fiber. B) The thyroid gland. C) A salivary gland. D) And touch bud. Show Answer Correct Answer: D) And touch bud. 54. Which of the following is the function of the occipital lobe of the brain? A) Processes auditory information. B) Processes logical reasoning. C) Processes language comprehension. D) Processes visual information. Show Answer Correct Answer: D) Processes visual information. 55. How do hormones get to their target cells? A) Floating in the blood stream. B) Electric and chemical signals. C) Breathing. D) None of above. Show Answer Correct Answer: A) Floating in the blood stream. 56. Which part of our brain regulates Muscular coordination of our body? A) Cerebellum. B) Cerebrum. C) Medulla oblongata. D) Pons. Show Answer Correct Answer: A) Cerebellum. 57. Which type of receptors are sensitive to light? A) Chemoreceptors. B) Photoreceptors. C) Mechanoreceptors. D) Thermoreceptors. Show Answer Correct Answer: B) Photoreceptors. 58. What is the primary function of ependymal cells? A) Provide immune response to central nervous system. B) Support and anchor neurons to surrounding capillaries. C) Secrete and circulate cerebrospinal fluid. D) Provide myelin insulation to neurons. Show Answer Correct Answer: C) Secrete and circulate cerebrospinal fluid. 59. What happens at a synapse? A) Electrical signals are converted into chemical signals. B) Chemical signals are converted into electrical signals. C) Neurons physically connect with each other. D) Myelin sheath is formed. Show Answer Correct Answer: A) Electrical signals are converted into chemical signals. 60. Positive deviation A) Sudden, abnormal surge of electrical activity in the brain. B) Pertaining to within the cerebrum. C) Pertaining to below the dura mater. D) Physician who studies and treats diseases of the nervous system. Show Answer Correct Answer: A) Sudden, abnormal surge of electrical activity in the brain. ← 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