This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 234 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 234 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A ..... causes and organism to react. The reaction is called a ..... A) Response, stimulus. B) Neuron, impulse. C) Impulse, neuron. D) Stimulus, response. Show Answer Correct Answer: D) Stimulus, response. 2. A spinal cord injury may block all information to and from the A) Vertebrae. B) Spine. C) Brain. D) None of above. Show Answer Correct Answer: C) Brain. 3. Saving information for later A) Reflex. B) Homeostasis. C) Memory. D) Neurotransmitters. Show Answer Correct Answer: C) Memory. 4. As sodium ions rush into the neuron, the neuron is A) Repolarized. B) Reached its threshold. C) Depolarized. D) Refractory. Show Answer Correct Answer: C) Depolarized. 5. Which of the following is NOT true of the human brain? A) The cerebellum plays a key role in making movement smooth and efficient, and lies at the back of the brain. B) The motor and sensory systems do not interact. C) The spinal cord, made up of both axons and ganglia, provides us with essential reflexes. D) The brain comprises two halves-or hemispheres. Show Answer Correct Answer: B) The motor and sensory systems do not interact. 6. Osmosis is when ..... A) Water passively moves across the cell membrane. B) Ions are pumped across the cell membrane. C) Some substances leave the cell and others can not. D) All of the above. Show Answer Correct Answer: A) Water passively moves across the cell membrane. 7. ..... also known as the accessory nerve, is a motor nerve that controls the motion of the neck and shoulder muscles. A) Eleventh cranial nerve. B) Ulnar nerve. C) Radial nerve. D) Median nerve. Show Answer Correct Answer: A) Eleventh cranial nerve. 8. Which structure is composed of these 3 parts:pons, midbrain, and medulla oblongata? A) CNS. B) PNS. C) Brain Stem. D) Cerebellum. Show Answer Correct Answer: C) Brain Stem. 9. A change in the environment that causes the body to respond is called: A) Receptor. B) Coordination centre/coordinator. C) Effector. D) Stimulus. Show Answer Correct Answer: D) Stimulus. 10. The CNS is made up of which 2 structures A) Brain and nerves. B) Brain and spinal cord. C) Spinal cord and nerves. D) None of above. Show Answer Correct Answer: B) Brain and spinal cord. 11. What type of supporting cell in nervous tissue is star-shaped and responsible for connecting neurons together and to their blood supply? A) Astrocytes. B) Ependymal cells. C) Oligodendrrocytes. D) Microglial cells. Show Answer Correct Answer: A) Astrocytes. 12. Cranial nerve VII is ..... A) Abducting. B) Optic. C) Facial. D) Hypoglossal. Show Answer Correct Answer: C) Facial. 13. The spinal cord is protected inside the A) Vertebral column. B) Ribcage. C) Skull. D) Skin. Show Answer Correct Answer: A) Vertebral column. 14. The reflex arc is a response by the body involving only the body segment being affected and spinal cord-the brain does not have to be involved A) True. B) False. Show Answer Correct Answer: A) True. 15. The ..... system is responsible for the processes that go on automatically in your body. A) Central. B) Peripheral. C) Autonomic. D) Somatic. Show Answer Correct Answer: C) Autonomic. 16. At the neuromuscular junction, calcium ions act to ..... A) 1.increase the conduction speed of action potentials transmitted along the sarcolemma. B) 1.release the inhibition on Z discs. C) 1.cause ATP binding to actin. D) 1.remove the blocking action of tropomyosin. E) 1.release synaptic vesicles from the synaptic knob. Show Answer Correct Answer: E) 1.release synaptic vesicles from the synaptic knob. 17. The lowest part of the brain; it's at the top of the spinal cord A) Medulla. B) Plexus. C) Ganglia. D) None of above. Show Answer Correct Answer: A) Medulla. 18. Which type of neurons carry information from the sense organs to the CNS for processing? A) Sensory Neurons. B) Motor Neurons. C) Spinal Neurons. D) Interneurons. Show Answer Correct Answer: A) Sensory Neurons. 19. A nerve impulse is also called ..... A) Action potential. B) Threshold. C) Na-K pump. D) All of the above. Show Answer Correct Answer: A) Action potential. 20. Each neuron consists of A) Dendrites, Axon, Cell Body. B) Dendrites and Cell Body only. C) Axons and Dendrites only. D) None of above. Show Answer Correct Answer: A) Dendrites, Axon, Cell Body. 21. Classification that has a narrow therapeutic window. A) Beta Interferons. B) Dopamine agonists. C) Anticonvulsants. D) MAOIs. Show Answer Correct Answer: C) Anticonvulsants. 22. The layer of fat that insulates the neuron's electrical messages is called the A) Nucleus. B) Mylein sheath. C) Dendrites. D) Axon. Show Answer Correct Answer: B) Mylein sheath. 23. To assess the client's memory, which question asks about recent recall? A) Ask the client to repeat a series of three digits (e.g., 7-4-3), spoken slowly. B) Ask the client to recall the recent events of the day, such as how the client got to the clinic. C) Ask the client to describe a previous birthday or anniversary. D) Ask the client to repeat the letters you have just spoken. Show Answer Correct Answer: B) Ask the client to recall the recent events of the day, such as how the client got to the clinic. 24. Controls long term changes such as growth A) Endocrine system. B) Nervous system. C) Temporal lobe. D) Limbic system. Show Answer Correct Answer: A) Endocrine system. 25. What is a feature of a reflex? A) Rapid. B) Slow. Show Answer Correct Answer: A) Rapid. 26. ..... are the most numerous type of neuron in the CNS A) Unipolar neurons. B) Interneurons. C) Bipolar neurons. D) Sensory neurons. Show Answer Correct Answer: B) Interneurons. 27. ..... carry messages away from the brain to the rest of the body. A) Sensory neurons. B) Motor neurons. Show Answer Correct Answer: B) Motor neurons. 28. A tongue has many ..... A) Heads. B) Spinal Cords. C) Taste Buds. D) Nerves. Show Answer Correct Answer: C) Taste Buds. 29. ..... neurons carry nerve impulses from the CNS to muscles or glands A) Sensory neurons. B) Bipolar neurons. C) Motor neurons. D) Association neurons. Show Answer Correct Answer: C) Motor neurons. 30. Keep out airborne particles and protect from excessive light. A) Eyelashes. B) Eyelids. C) Eyebrows. D) None of above. Show Answer Correct Answer: A) Eyelashes. 31. Failure to maintain homeostasis could result in: A) Lack of internal balance. B) Eventual death. C) Difficulty carrying on metabolism. D) All three. Show Answer Correct Answer: D) All three. 32. Term for supporting cells of the CNS A) Microglia. B) Astrocytes. C) Neuroglia. D) Ependymal cells. Show Answer Correct Answer: C) Neuroglia. 33. Which special sense is associated with the nose? A) Olfactory. B) Gustatory. C) Vision. D) Hearing and Equilibrium. Show Answer Correct Answer: A) Olfactory. 34. Controls smooth and cardiac muscles A) Somatic. B) Autonomic. Show Answer Correct Answer: B) Autonomic. 35. The main symptom of upper motor neuron syndrome is ..... A) Severe pain. B) Flaccid paralysis. C) Lower motor neuron involvement. D) Spastic paralysis. Show Answer Correct Answer: D) Spastic paralysis. 36. What type of neurons send signals from your brain to your muscles in order for your body to move? A) Sensory neurons. B) Motor neurons. C) Interneurons. D) None of above. Show Answer Correct Answer: B) Motor neurons. 37. Choose the correct pair A) Cerebrum-Coordinating muscle movements. B) The brainstem-Control higher functions:learning, reasoning and speech. C) Hypothalamus-Processes and transmits information from all senses except smell. D) Cerebellum-Produces and regulates neurochemicals. E) None of the above. Show Answer Correct Answer: E) None of the above. 38. Branchlike parts of a neuron that pick up stimuli from the environment A) Impulse. B) Myelin. C) Dendrite. D) Axon. Show Answer Correct Answer: C) Dendrite. 39. The pons, medulla, and midbrain make up the A) Brain stem. B) Brain sleep waves. C) Brain frontal lobe. D) None of the above. Show Answer Correct Answer: A) Brain stem. 40. Cerebellum is also called little brain A) False. B) True. Show Answer Correct Answer: B) True. 41. Which lobe is responsible for senses, movement, pain, heat, and touch. A) Occipital Lobe. B) Temporal Lobe. C) Parietal Lobe. D) Frontal Lobe. Show Answer Correct Answer: C) Parietal Lobe. 42. A reflex arc is different from normal responses because it is not processed in the spinal cord before being sent to the motor neuron with a response. A) False. B) True. Show Answer Correct Answer: A) False. 43. The following could occur together effectively except which? A) Increased heart rate. B) Digestion. C) Pupil dilation. D) Sweating. Show Answer Correct Answer: B) Digestion. 44. If a person has spatial neglect syndrome, they find it very hard to pay attention to the information on the ..... of their body A) Left. B) Top. C) Right. D) Bottom. Show Answer Correct Answer: A) Left. 45. The measure of blood flow in arteries is ..... A) Blood pressure/heart rate. B) Capillaries. C) Pulmonary veins. D) None of above. Show Answer Correct Answer: A) Blood pressure/heart rate. 46. You were spinning in a chair, the coronal plane if you were doing a cartwheel, or the sagittal plane if you are doing a somersault. A) Static equilibrium. B) Dynamic equilibrium. Show Answer Correct Answer: B) Dynamic equilibrium. 47. An inhibitory neurotransmitter in the brain. A) Glutamate. B) GABA. C) Endorphins. D) Neuron. Show Answer Correct Answer: B) GABA. 48. What does the motor division do? A) Send signals within your Brain. B) Send signals from your ears to the CNS. C) Send signals from the CNS to Muscles. D) It drives the neurons. Show Answer Correct Answer: C) Send signals from the CNS to Muscles. 49. What does the Parasympathetic Division of the PNS do? A) It sends impulses from the senses to the CNS. B) It is used in emergency situations. C) It reduces sympathetic response and provides resting functions such as digestion and urination. D) It controls voluntary muscle movements. Show Answer Correct Answer: C) It reduces sympathetic response and provides resting functions such as digestion and urination. 50. Sensory neurones conduct impulses from..... A) The brain and spinal cord to muscles. B) One sense organ to another sense organ. C) Sense organs to the brain and spinal cord. D) Muscles to sense organs. Show Answer Correct Answer: C) Sense organs to the brain and spinal cord. 51. Neurons are polarized by A) Active transport. B) Sodium potassium pump. C) Pumping three sodium ions out and 2 potassium ions in. D) All of these. Show Answer Correct Answer: D) All of these. 52. Which of the following is protected by bones? A) The PNS. B) The CNS. C) The ANS. D) The SNS. Show Answer Correct Answer: B) The CNS. 53. The causes of Multiple sclerosis (MS) A) Decreased dopamine. B) Demyelination of nerves. C) Autoimmune Disorder * antibodies attack ACh receptors at NMJ. D) Protrusion of nucleus pulposus. Show Answer Correct Answer: B) Demyelination of nerves. 54. ..... are cylindrical bundles. A) Spinal cord. B) Nerves. C) Cells. D) None of above. Show Answer Correct Answer: B) Nerves. 55. Produces melatonin, a hormone that regulates sleep patterns. A) Synaptic cleft. B) Parietal lobe. C) White matter. D) Pineal body. Show Answer Correct Answer: D) Pineal body. 56. The human body has ..... pairs of spinal nerves. A) 12. B) 24. C) 31. D) 64. Show Answer Correct Answer: C) 31. 57. Which of the following is NOT a refracting part of the eye: A) Vitreous humor. B) Cornea. C) Aqueous humor. D) Iris. E) Lens. Show Answer Correct Answer: D) Iris. 58. Which type of long term memory can be recalled without conscious awareness or a great deal of effort? A) Procedural memory. B) Episodic memory. C) Semantic memory. D) None of above. Show Answer Correct Answer: A) Procedural memory. 59. Which part of the neuron forms a synapse with the next neuron? A) Myelin sheath. B) Axon. C) Dendrite. D) Axon terminal. Show Answer Correct Answer: D) Axon terminal. 60. The central nervous system includes our ..... A) Brain. B) Nerves. C) Eyes. D) Muscles. Show Answer Correct Answer: A) 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