This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 237 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 237 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The brain does not depend on the spinal cord to ensure the central nervous works. A) False. B) True. Show Answer Correct Answer: A) False. 2. The single most common cause of dementia is: A) High fever. B) Car accident. C) Alzheimer's disease. D) Stroke. Show Answer Correct Answer: C) Alzheimer's disease. 3. Which functional division of the nervous system would be responsible for the physiological changes seen during exercise (e.g., increased heart rate and sweating)? A) Central. B) Enteric. C) Autonomic. D) Somatic. Show Answer Correct Answer: C) Autonomic. 4. Where are the cell bodies of motor neurons located? A) Inside the CNS. B) In the skin. C) Outside the CNS. D) In the muscles & tendons. Show Answer Correct Answer: A) Inside the CNS. 5. What is the number of vertebrae in the spine A) 33. B) 24. C) 28. D) 31. Show Answer Correct Answer: A) 33. 6. Increases speed of neuron actions, insulates, protects A) Satellite Cells. B) Myelination. C) Schwann Cells. D) None of above. Show Answer Correct Answer: B) Myelination. 7. Identify the neuroglia described:Support clusters of neuron cell bodies A) Astrocytes. B) Oligodendrocytes. C) Ependymal. D) Microglia. E) Satellite cells. Show Answer Correct Answer: E) Satellite cells. 8. A male client was involved in a vehicular accident and developed an amnesia. He is likely having a damaged in which of the following? A) Hippocampus. B) Thalamus. C) Hypothalamus. D) Cerebrum. Show Answer Correct Answer: A) Hippocampus. 9. The PNS is divided into 2 parts. Which part controls involuntary actions? A) Somatic nervous system. B) Autonomic nervous system. Show Answer Correct Answer: B) Autonomic nervous system. 10. Which part of the nervous system reverses the effects of the fight or flight response? A) Afferent Division. B) Sympathetic Division. C) Somatic Division. D) Parasympathetic Division. Show Answer Correct Answer: D) Parasympathetic Division. 11. This is the job of the nervous system: A) To break down food to be used by the body. B) To remove wastes from the body. C) To send and receive messages throughout the body, thereby coordinating body functions. D) None of above. Show Answer Correct Answer: C) To send and receive messages throughout the body, thereby coordinating body functions. 12. Learning, recalling information, planning and making decisions are all controlled by the: A) Cerebellum. B) Brain stem. C) Cerebrum. D) Medulla oblongata. Show Answer Correct Answer: C) Cerebrum. 13. A thin, wire-like body part that carries information A) Sensory Organ. B) Brain. C) Spinal Cord. D) Nerves. Show Answer Correct Answer: D) Nerves. 14. The ear only controls the sense of hearing? A) True. B) False. Show Answer Correct Answer: B) False. 15. True or False:the right ventricle and left ventricle are the 2 chambers on the top of the heart A) True. B) False. Show Answer Correct Answer: B) False. 16. Which of the following glands is not part of the endocrine system? A) Pancreas. B) Liver. C) Adrenal. D) Thyroid. Show Answer Correct Answer: B) Liver. 17. What does CT stand for? A) Confused teacher. B) Compound telography. C) Computed tomography. D) Computer telepathy. Show Answer Correct Answer: C) Computed tomography. 18. The long threadlike part of a nerve cell that carry the nerve impulse. A) Myelin Sheath. B) Axon. Show Answer Correct Answer: B) Axon. 19. When you voluntarily control a muscle, which division of the nervous system is active? A) Sensory; autonomic. B) Motor; autonomic. C) Motor; somatic. D) Sensory; somatic. Show Answer Correct Answer: C) Motor; somatic. 20. What is the term used for the cell body of a neuron? A) Soma. B) Axon. C) Dendrite. D) Ganglion. Show Answer Correct Answer: A) Soma. 21. Which of the following are opposite branches of the nervous system? A) Peripheral Nervous System & Somatic Nervous System. B) Motor Neurons & Sensory Neurons. C) Sympathetic Nervous System and Autonomic Nervous System. D) Sensory Neurons and Autonomic Neurons. Show Answer Correct Answer: B) Motor Neurons & Sensory Neurons. 22. In which disease does progressive loss of muscle control result from the destruction of the myelin sheath in the central nervous system? A) Multiple sclerosis. B) Myasthenia gravis. C) Cerebrovascular accident. D) None of above. Show Answer Correct Answer: A) Multiple sclerosis. 23. These are computer-aided x-rays of the brain that show a great deal of brain structure. A) EEG. B) MRI scan. C) CT scan. D) PET scan. Show Answer Correct Answer: C) CT scan. 24. Nissil's granules A) Cyton. B) Forebrain. C) Peripheral Nervoussystem. D) Hindbrain. Show Answer Correct Answer: A) Cyton. 25. Which nervous system contracts bladder? A) Parasympathetic Nervous System. B) Sympathetic Nervous System. Show Answer Correct Answer: A) Parasympathetic Nervous System. 26. This pump moves 3 Na+ ions out for every 2 K+ and maintains the resting potential A) Voltage-gated channels. B) Sodium-potassium pump. C) Mechanially gated channels. D) Ligand-gated channels. Show Answer Correct Answer: B) Sodium-potassium pump. 27. The ....., or voluntary nervous system controlsvoluntary action and reflexes. A) Somatic nervous system. B) Autonomic nervous system. Show Answer Correct Answer: A) Somatic nervous system. 28. Axon carries messages and what receives messages? A) Dendrites. B) Lungs. C) Your balloon. D) Nucleus. Show Answer Correct Answer: A) Dendrites. 29. What type of nerve cell is in the picture? A) Motor neuron. B) Unipolar nerve cell. C) Sensory nerve cells. D) Bipolar neurons. Show Answer Correct Answer: A) Motor neuron. 30. What type of neuroglia help move the Cerebral Spinal fluid? A) Astrocytes. B) Microglia. C) Ependymal cells. D) Oligodendrocytes. E) None of these. Show Answer Correct Answer: C) Ependymal cells. 31. Carry messages towards the CNS A) Peripheral Nervous System. B) Autonomic Nervous System. C) Sensory Neurons. D) Central Nervous System. E) Motor Neurons. Show Answer Correct Answer: C) Sensory Neurons. 32. The ..... division transmits impulses from the central nervous system to the muscles or glands. A) Sensory. B) Motor. C) Active. D) None of above. Show Answer Correct Answer: B) Motor. 33. What is the second step in a reflex arc? A) Effector. B) Interneuron (integration center). C) Efferent neuron (motor neuron). D) Receptor. E) Afferent neuron (sensory neuron). Show Answer Correct Answer: E) Afferent neuron (sensory neuron). 34. An increase in the negativity of the membrane potential. A) Threshold potential. B) Repolarization. C) Depolarization. D) Hyperpolarization. Show Answer Correct Answer: D) Hyperpolarization. 35. Inflammation of the spinal cord. A) Echoencephalography. B) Myelitis. C) Anesthesiologist. D) Anesthetist. Show Answer Correct Answer: B) Myelitis. 36. The increasing of blood pressure will enhance the oxygen supply to the muscle involved during ..... A) Fight or flight response. B) Rest and digest. C) Fight and glide. D) Rest and repose. Show Answer Correct Answer: A) Fight or flight response. 37. Which part of the ear assists with hearing and balance? A) Outer ear. B) Middle ear. C) Inner ear. D) All of the above. Show Answer Correct Answer: D) All of the above. 38. A chronic disorder of the nervous system characterized by tremors, muscular weakness, rigidity, and a shuffling gait pattern: A) Cerebral palsy. B) Parkinson's Disease. C) Reye Syndrome. D) Dementia. Show Answer Correct Answer: B) Parkinson's Disease. 39. The cytoplasmic extensions of a neuron which have a membrane specialized to receive stimuli are called A) Cell bodies. B) Synapses. C) Neurons. D) Dendrites. E) Axons. Show Answer Correct Answer: D) Dendrites. 40. What type of cells provide support and nutrition in the nervous system, apart from transmitting impulses? A) Motor neurons. B) Neurotransmitters. C) Neurons. D) Neuroglial cells. Show Answer Correct Answer: D) Neuroglial cells. 41. Which of the following are effectors? A) Eyes & ears. B) Muscles & glands. C) Nose & mouth. D) Nerves and neurons. Show Answer Correct Answer: B) Muscles & glands. 42. What kind of messages does the nervous system send? A) Telegrams. B) Chemical (hormones). C) Electrical (impulses). D) Magical. Show Answer Correct Answer: C) Electrical (impulses). 43. A neuron receives impulses at its A) Axon terminal. B) Axon. C) Nucleus. D) Dendrites. Show Answer Correct Answer: D) Dendrites. 44. What do microglial cells monitor within the CNS? A) The rate of neuron firing. B) Hormone levels in the cerebrospinal fluid. C) The blood-brain barrier integrity. D) The health of nearby neurons. Show Answer Correct Answer: D) The health of nearby neurons. 45. Which part of the brain is responsible for reasoning, planning, and organizing? A) Frontal lobe. B) Temporal lobe. C) Parietal lobe. D) Cerebellum. Show Answer Correct Answer: A) Frontal lobe. 46. A(n) ..... neuron carries nerve impulses from one neuron to another A) Inter. B) Sensory. C) Impulse. D) Motor. Show Answer Correct Answer: A) Inter. 47. What is the nerve cell that links the sensory & motor neurons called? A) Interneuron. B) Glial cell. C) Intraneuron. D) Neurolemma. Show Answer Correct Answer: A) Interneuron. 48. Insulin is produced by A) The liver. B) The pancreas. C) The kidneys. D) None of above. Show Answer Correct Answer: B) The pancreas. 49. What is the function of parietal lobe? A) It controls voluntary motor functions, aggression, moods and smell. B) It evaluates sensory input such as touch, pain, pressure, temperature and taste. C) For hearing, smell and memory. D) For visual information, processing and recognition. Show Answer Correct Answer: B) It evaluates sensory input such as touch, pain, pressure, temperature and taste. 50. The main function of the nervous system is ..... A) To transport nutrients and oxygen to all parts of the body. B) To control and coordinate other systems of our body. C) To help in movement of our body. D) To take out waste from our body. Show Answer Correct Answer: B) To control and coordinate other systems of our body. 51. Which type of neuron has two processes extending from the cell body? A) Interneuron. B) Bipolar neuron. C) Multipolar neuron. D) Unipolar neuron. Show Answer Correct Answer: B) Bipolar neuron. 52. What is the role of the axon in a neuron? A) To receive information. B) To cover and insulate itself. C) To allow for nerve impulses to move for communication. D) To create gaps for electrical impulse transmission. Show Answer Correct Answer: C) To allow for nerve impulses to move for communication. 53. ..... is when light travels through a material and bends. A) Dispersion. B) Refraction. C) Mirage. D) Diffraction. Show Answer Correct Answer: B) Refraction. 54. When you smash your finger, it takes your brain a ..... time to process the pain signal and tell your hand to move. A) Long. B) Very long. C) Short. D) Very short. Show Answer Correct Answer: D) Very short. 55. Resting Membrane Potential = A) -55 mV. B) -65 mV. C) + 30 mV. D) -70 mV. Show Answer Correct Answer: D) -70 mV. 56. He ..... are a class of receptors that is responsible for being able to detect light A) Photoreceptors. B) Thermoreceptors. C) Chemoreceptors. D) Mechanoreceptors. Show Answer Correct Answer: A) Photoreceptors. 57. A nerve impulse consists of a series of ..... A) Membrane potentials. B) Action potentials. C) Potential difference. D) None of above. Show Answer Correct Answer: B) Action potentials. 58. Neurons that travel toward the central nervous system are called A) Afferent neurons. B) Efferent neurons. C) Exit neurons. D) CNS neurons. Show Answer Correct Answer: A) Afferent neurons. 59. Unconditioned reflexes are also known as inborn reflexes. Which of the following is not unconditioned reflex? A) Knee-jerk reaction. B) When we see food, we salivate. C) Salvation in dog when ring bells. D) Blinking. Show Answer Correct Answer: C) Salvation in dog when ring bells. 60. What type of cells are actual conducting cells in the Nervous System? A) Oligodendrocytes. B) Microglia. C) Astrocytes. D) Neurons. Show Answer Correct Answer: D) 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