This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 31 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An organised network of billions of specialized cells called nerve cells or neurons A) Nervous system. B) Excretory system. C) Respiratory system. D) Digestive system. Show Answer Correct Answer: A) Nervous system. 2. Each nerve is a bundle of hundreds or thousands of? A) Nucleus. B) Nerves. C) Hair. D) Neurons. Show Answer Correct Answer: D) Neurons. 3. Connects the cerebrum with the spinal cord; contains the Medulla Oblongata A) Connecting neuron. B) Central nervous system. C) Brain. D) Brainstem. Show Answer Correct Answer: D) Brainstem. 4. How many axons does each neuron have? A) 2. B) 100s. C) 3. D) 1. Show Answer Correct Answer: D) 1. 5. The Spinal CordThe spinal cord is protected by A) Medulla. B) Neurons. C) Nerves. D) Vertebrae. Show Answer Correct Answer: D) Vertebrae. 6. Which part of the peripheral nervous system deals with "flight or fight" activities? A) Sympathetic. B) Autonomic. C) Parasympathetic. D) Somatic. Show Answer Correct Answer: A) Sympathetic. 7. When you look at bright light what happens? A) Radial muscle contracts and pupil gets bigger. B) Radial muscle contracts and pupil gets smaller. C) Circular muscle contracts and pupil gets bigger. D) Circular muscle contracts and pupil gets smaller. Show Answer Correct Answer: D) Circular muscle contracts and pupil gets smaller. 8. An action potential occurs when the neuron is A) Hyperpolarized. B) Depolarized. C) Polarized. D) Repolarized. Show Answer Correct Answer: B) Depolarized. 9. Which ion channel corrects hyperpolarization and keeps the neuron in its resting state? A) Ligand gated Na. B) Mechanically gated Na. C) Voltage gated Na. D) Voltage gated K. E) Na/K pumps. Show Answer Correct Answer: E) Na/K pumps. 10. The nervous system is the network of nerves that carry messages from brain and spinal cord to and from various parts of the body A) False. B) True. Show Answer Correct Answer: B) True. 11. How many pairs of Cranial Nerves are in the body? A) 2. B) 31. C) 52. D) 12. Show Answer Correct Answer: D) 12. 12. Includes the auditory cortex which interprets sounds and languages we hear. A) Temporal lobe. B) Frontal lobe. C) Occipital lobe. D) Parietal lobe. Show Answer Correct Answer: A) Temporal lobe. 13. The plexus that supplies nerves to the arms is known as A) Cervical. B) Lumbar. C) Sacral. D) Brachial. Show Answer Correct Answer: D) Brachial. 14. The ..... system sends and receives messages from your senses. A) Central. B) Autonomic. C) Somatic. D) Peripheral. Show Answer Correct Answer: C) Somatic. 15. How many parts of the brain? A) 5. B) 3. C) 1. D) 2. E) 4. Show Answer Correct Answer: B) 3. 16. The end of the axon terminates in a number of branches called A) Axon. B) Cyton. C) Branches. D) Terminal Branches. Show Answer Correct Answer: D) Terminal Branches. 17. Found in the walls of hollow organs; also called visceral A) Smooth. B) Cardiac. C) Skeletal. D) All. Show Answer Correct Answer: A) Smooth. 18. The PNS consists of what? A) Cranial and spinal nerves. B) Brain and spinal cord. C) Brain and csf. D) Cranial nerves and brain. Show Answer Correct Answer: A) Cranial and spinal nerves. 19. What does choroid plexus form? A) Cerebrospinal fluid. B) Cerebrospinal fluid. C) Cerebrospinal fluid. D) Cerebellum spinal fluid. Show Answer Correct Answer: A) Cerebrospinal fluid. 20. Subthreshold stimulation of a neuron that increases responsiveness to further stimulation A) Divergence. B) Action potential. C) Facilitation. D) Convergence. Show Answer Correct Answer: C) Facilitation. 21. What are messages sent through the nervous system? A) Impulses. B) Neurons. C) Dendrites. D) Transmissions. Show Answer Correct Answer: A) Impulses. 22. What are the nerves of the body called? A) The autonomic nervous system. B) The somatic nervous system. C) The peripheral nervous system. D) The central nervous system. Show Answer Correct Answer: C) The peripheral nervous system. 23. Your Body's way of protecting itself A) Pain. B) Nerves. C) Brain. D) Fight. Show Answer Correct Answer: A) Pain. 24. Regarding meningitis: A) E. coli is the commonest cause of bacterial meningitis in adults. B) The majority of cases is caused by virus. C) In laboratory diagnosis, blood culture is mandatory to perform. D) In majority of cases in adults, the causative organism spread through blood. E) In small children, irritability is a presenting feature. Show Answer Correct Answer: E) In small children, irritability is a presenting feature. 25. Which part of the Nervous System is responsible for receiving information from the external environment? A) Central Nervous System. B) Periphrial Nervous System. Show Answer Correct Answer: B) Periphrial Nervous System. 26. What are the two divisions of the motor nervous system? A) Brain/spinal cord. B) Autonomic/somatic. C) Sympathetic/parasympathetic. D) Central/peripheral. Show Answer Correct Answer: B) Autonomic/somatic. 27. My body has got a nervous system A) True. B) False. Show Answer Correct Answer: A) True. 28. In the lungs, blood receives ..... and releases ..... A) Oxygen/carbon dioxide. B) Oxygen/carbon monoxide. C) Carbon monoxide/oxygen. D) Carbon dioxide/oxygen. Show Answer Correct Answer: A) Oxygen/carbon dioxide. 29. The direction for a nerve impulse is always: A) Dendrites-myelin-axon. B) Dendrites-cell body-axon. C) Axon-cell body-dendrites. D) Cell body-dendrites-axon. Show Answer Correct Answer: B) Dendrites-cell body-axon. 30. Which of the following terms indicates a nerve impulse has been initiated and is being transmitted? A) Repolarization. B) Depolarization. C) Action Potential. D) Graded Potential. Show Answer Correct Answer: C) Action Potential. 31. Which disease is diagnosed in 20-40 year olds? A) IF. B) Meningitis. C) Bell's Palsy. D) Multiple Sclerosis. Show Answer Correct Answer: D) Multiple Sclerosis. 32. The specialized sensory receptor that detects light is A) Photoreceptor. B) Mechanoreceptor. C) Thermoreceptor. D) Chemoreceptor. Show Answer Correct Answer: A) Photoreceptor. 33. What are the three (3) main parts of the nervous system? A) Pink, purple, maroon. B) Rain, sun, earth. C) Brain, spinal cord, nerves. D) None of above. Show Answer Correct Answer: C) Brain, spinal cord, nerves. 34. Which type of neuron sends information from the brain to the tissues nad organs in the body? A) Interneuron. B) Motor neuron. C) Sensory neuron. D) Axoneuron. Show Answer Correct Answer: B) Motor neuron. 35. What is the purpose of cerebrospinal fluid? A) Acts as shock absorber to protect brain. B) Carries nutrients to some areas of brain & spinal cord. C) Helps remove wastes. D) All responses are correct. Show Answer Correct Answer: D) All responses are correct. 36. Some type of chemical or physical trigger that begins an action potential A) Stimuli. B) Membrane potential. C) Sodium potassium pump. D) Electrical charge. Show Answer Correct Answer: A) Stimuli. 37. Within the central nervous system are A) Motor neuron. B) Interneuron. C) Sensory neuron. D) Receptor. Show Answer Correct Answer: B) Interneuron. 38. What type of cell carries the action potential from the brain and spinal cord to the muscles and glands? A) Interneuron. B) Motor neuron. C) Sensory neuron. D) All neurons. Show Answer Correct Answer: B) Motor neuron. 39. Brings in information from the outside environment to the CNS A) Motor Neuron. B) Sensory Neuron. C) Interneuron. D) Stimulus. E) Effector. Show Answer Correct Answer: B) Sensory Neuron. 40. Dendrites are part of a neuron that carries electrical signals ..... the cell body. A) To. B) Away. C) In between. D) None of above. Show Answer Correct Answer: A) To. 41. Which of the following is a result of voluntary muscles? A) Breathing. B) Digesting food. C) Kicking a ball. D) Your heart beating. Show Answer Correct Answer: C) Kicking a ball. 42. TRUE/FALSE:motor cells are used when you raise your arm up to catch a ball. A) False. B) True. Show Answer Correct Answer: B) True. 43. Esthesi/o, esthesi/o A) Meninges. B) Nervous sensation. C) Speech. D) Glue. Show Answer Correct Answer: B) Nervous sensation. 44. Touch, Temperature, Pain, & your awareness of your spatial body positioning (upside down/tilted/level) is processed in which part of the Cerebral Cortex? A) Frontal Lobe. B) Parietal Lobe. C) Temporal Lobe. D) Occipital Lobe. E) None of these. Show Answer Correct Answer: B) Parietal Lobe. 45. Which is responsible for borborygmi or stomach growling? A) Central nervous system. B) Somatic nervous system. C) Autonomic nervous system. D) Sympathetic nervous system. Show Answer Correct Answer: C) Autonomic nervous system. 46. The substantia nigra is located in the ..... region of the brain. A) Midbrain. B) Hindbrain. C) Forebrain. D) Motor. Show Answer Correct Answer: A) Midbrain. 47. What part of the brain is involved with visual memory? A) Parietal lobe. B) Temporal lobe. C) Occipital lobe. D) Frontal lobe. Show Answer Correct Answer: B) Temporal lobe. 48. We use our ..... to hear different sounds. A) Legs. B) Eyes. C) Ears. D) None of above. Show Answer Correct Answer: C) Ears. 49. The eyes, ears, nose and mouth make up the A) Central nervous system. B) The sensory system. C) The Endocrine system. D) The Digestive system. Show Answer Correct Answer: B) The sensory system. 50. These two systems control functions, including movement, communication, and growth, by working with other systems in the body and help maintain homeostasis A) Control and Coordination. B) Nervous system and Mechanical system. C) Nervous system and Endocrine system. D) Nerves and spinal system. Show Answer Correct Answer: C) Nervous system and Endocrine system. 51. The two main ions involved in action potential are A) Sodium and Potassium. B) Iron and Potassium. C) Potassium and Magnesium. D) Calcium and Sodium. Show Answer Correct Answer: A) Sodium and Potassium. 52. The sense of ..... and ..... work together and both depend on chemicals in the air or in the food? A) Cats and Dogs. B) Snakes and Mice. C) Touch and Hearing. D) Taste and Smell. Show Answer Correct Answer: D) Taste and Smell. 53. Which hormone is released when blood sugar gets too low? A) Glucagon. B) Glycogen. C) Glucose. D) Insulin. Show Answer Correct Answer: A) Glucagon. 54. Largest portion of the brain, divided into left and right hemispheres A) Pons. B) Cerebellum. C) Midbrain. D) Cerebrum. Show Answer Correct Answer: D) Cerebrum. 55. What is the name of the junctions where neurons communicate with each other? A) Nervous system. B) Stimuli. C) Conclusion. D) Peripheral. Show Answer Correct Answer: C) Conclusion. 56. Which statement best describes the receptive field? A) The ability of the brain to detect different levels of intense sensation. B) The ability of each neuron in the skin to detect a stimulus in a given area. C) The brain's ability to distinguish between different types of sensations. D) The ability of the receptor to have various durations of the sensation. Show Answer Correct Answer: B) The ability of each neuron in the skin to detect a stimulus in a given area. 57. The two hemispheres of the brain are connected by the A) Midbrain. B) Cerebellum. C) Callous body. D) Dura mater. Show Answer Correct Answer: C) Callous body. 58. Wheres the neurotransmitters? A) End of axons. B) Terminal end bulbs. C) Next to neuron or body structure. D) None of above. Show Answer Correct Answer: C) Next to neuron or body structure. 59. ..... responds by muscles or glands A) Sensory input. B) Integration. C) Motor output. D) None of above. Show Answer Correct Answer: C) Motor output. 60. What type of neurotransmitter initiates an action potential? A) Excititory. B) Blocking. C) Inhibitory. D) Sending. Show Answer Correct Answer: A) Excititory. ← 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