This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System β Quiz 48 π Homepage π Download PDF Books π Premium PDF Books Nervous System Quiz 48 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which glial cell Βanchor neurons to blood vessels and regulate the exchange of nutrients? A) Schwann cells. B) Microglia. C) Oligodendrocytes. D) Astrocytes. Show Answer Correct Answer: D) Astrocytes. 2. What mineral are bones made of? A) Zinc. B) Vitamin C. C) Calcium. D) Vitamin B. Show Answer Correct Answer: C) Calcium. 3. While assessing a patient's cranial nerves, the nurse asks the patient to raise the eyebrows, smile andshow the teeth to assess which cranial nerve? A) Optic. B) Facial. C) Vagus. D) Olfactory. Show Answer Correct Answer: B) Facial. 4. How many types of nerves are there? A) 10. B) 4. C) 2. D) 3. Show Answer Correct Answer: C) 2. 5. Which neuroglia cell helps to form the blood-brain barrier? A) Oligodendrocytes. B) Astrocytes. C) Ependymal Cells. D) None of above. Show Answer Correct Answer: C) Ependymal Cells. 6. Branch-like extensions of a neuron that receive signals from other neurons A) Axons. B) Synapses. C) Dendrites. D) Cell body. Show Answer Correct Answer: C) Dendrites. 7. Unipolar neurons are always ..... A) Sensory. B) Visual. C) Reflex. D) Only in the CNS. Show Answer Correct Answer: A) Sensory. 8. Which is the main part of nervous system A) Brain. B) Spinal cord. C) Nerves. D) None of above. Show Answer Correct Answer: A) Brain. 9. What do you call the gap between Neurons A) Junction. B) Dendrite. C) Axon Terminal. D) Conclusion. Show Answer Correct Answer: D) Conclusion. 10. One form of a gene is called ..... A) A DNA. B) A Phenotype. C) Relates. D) An allele. Show Answer Correct Answer: D) An allele. 11. They always carry messages from brain or spinal cord to the organs A) Sensory nerves. B) Motor nerves. Show Answer Correct Answer: B) Motor nerves. 12. What is a voluntary muscle? A) A muscle in your knee. B) A short muscle. C) A muscle you can control. D) A muscle you cannot control. Show Answer Correct Answer: C) A muscle you can control. 13. A nueron is a specialized ..... A) Nervous sell. B) Nervous seal. C) Nerve cell. D) None of above. Show Answer Correct Answer: C) Nerve cell. 14. Which is the innermost meninx? A) Dura mater. B) Arachnoid mater. C) Pia mater. D) Cranial mater. Show Answer Correct Answer: C) Pia mater. 15. Spaces between Schwann cells that is not myelinated A) Somatic reflex. B) Nerve. C) Neurotransmitters. D) Nodes of ranvier. Show Answer Correct Answer: D) Nodes of ranvier. 16. Area of gray matter (butterfly) on the back posterior of the spinal cord A) Dorsal Horn. B) Posterior Column. C) Anterior Column. D) Ventral Horn. Show Answer Correct Answer: A) Dorsal Horn. 17. There are over 850 muscles. A) False. B) True. Show Answer Correct Answer: A) False. 18. Which is the control center of the central nervous system? A) Brain. B) Pith. C) Nerve fibers. D) Both points 1 and 2 are correct. Show Answer Correct Answer: D) Both points 1 and 2 are correct. 19. What direction foes the electrical signal travel through the neuron? A) From dendrites, through the cell body, down the Axon, and out Axon terminals. B) From Axon terminals, down the Axon, & out of the dendrites. C) Any direction up or down the cell. D) From the Axon, to the Dendrites, and out the Axon terminals. Show Answer Correct Answer: A) From dendrites, through the cell body, down the Axon, and out Axon terminals. 20. About how many neurons do we have in our body? A) A dozen. B) Hundreds. C) Thousands. D) Billions. Show Answer Correct Answer: D) Billions. 21. The main type of cell which produce CSF A) Astrocyte. B) Ependymal cell. C) Schwann cell. D) Basket cell. Show Answer Correct Answer: B) Ependymal cell. 22. A nerve impulse is also known as ..... in a neuron. A) Passive potential. B) Action potential. C) Basic potential. D) Negative potential. Show Answer Correct Answer: B) Action potential. 23. Hypoxia is ..... A) The shortage of oxygen to the brain caused by a heart Attack. B) The shortage of blood to the brain caused by a stroke. Show Answer Correct Answer: A) The shortage of oxygen to the brain caused by a heart Attack. 24. Protect neuron cell bodies A) Microglia. B) Ependymal Cells. C) Schwann cells. D) Satellite cells. Show Answer Correct Answer: D) Satellite cells. 25. What is in The Central and Peripheral nervous system A) Your heart. B) Just the spinal cord. C) Just the brain. D) Brain and spinal cord. Show Answer Correct Answer: D) Brain and spinal cord. 26. Stalk like structure that relays impulses between brain and other parts of the body. A) Motor neuron. B) Voluntary. C) Conclusion. D) Spinal cord. Show Answer Correct Answer: D) Spinal cord. 27. Which division of the autonomic nervous system dominates in times of relaxation? A) Sympathetic. B) Parasympathetic. Show Answer Correct Answer: B) Parasympathetic. 28. Movements that you choose to control A) Cramp. B) Strain. C) Involuntary. D) Voluntary. Show Answer Correct Answer: D) Voluntary. 29. What is the protective covering of the brain called? A) Ventricles. B) Cortex. C) Meninges. D) Cerebellum. Show Answer Correct Answer: C) Meninges. 30. What is the response in this situation? "An organism is hungry so it eats some food" A) Feeling hungry. B) Eating food. Show Answer Correct Answer: B) Eating food. 31. What is the charge inside a neuron at rest A) Positive. B) Negative. Show Answer Correct Answer: B) Negative. 32. During hyperpolarization a cell becomes A) More positive than resting. B) More negative than resting. C) Colder than resting. D) None of the answers. Show Answer Correct Answer: B) More negative than resting. 33. Which division of the nervous system controls skeletal muscle? A) Autonomic. B) PNS. C) Somatic. D) Sympathetic. Show Answer Correct Answer: C) Somatic. 34. Which of Newton's Laws states that 'for every action, there is an equal and opposite reaction? A) Ch. B) 1st. C) And. D) An offer. Show Answer Correct Answer: D) An offer. 35. Something that causes a response is called a A) Survival. B) Stimulus. C) Response. D) Touch. Show Answer Correct Answer: B) Stimulus. 36. How are nerve signals passed from one nerve to another while traveling to and from the brain? A) An electrical signal jumps across a synapse gap. B) They pass some cytoplasm to the next cell. C) Hormones carry the signal through the blood. D) The nerve cells grow together. Show Answer Correct Answer: A) An electrical signal jumps across a synapse gap. 37. The generation, transmission, reception, and response to/of electrochemical signals makes ..... possible A) Sensory input. B) Integration. C) Motor output. D) All answers are correct. Show Answer Correct Answer: D) All answers are correct. 38. True or false? In a potassium leakage channel, potassium ions will go a low concentration of potassium ions A) True. B) False. Show Answer Correct Answer: A) True. 39. Which types of neurons make up the Peripheral Nervous System? A) Sensory and interneurons. B) Motor and sensory neurons. C) Interneurons and motor neurons. D) Only interneurons. Show Answer Correct Answer: B) Motor and sensory neurons. 40. Identify the response:You are walking home from school one day when a large dog jumps out at you from behind a tree. He starts to growl and shows his teeth. You quickly turn around and walk in the opposite direction. A) Dog growling and showing teeth. B) You quickly turn and walk away. C) Tree. D) Dog. Show Answer Correct Answer: B) You quickly turn and walk away. 41. What is any quick response to stimuli that bypasses the brain? A) Voluntary action. B) Knee jerk. C) Reflex action. D) None of above. Show Answer Correct Answer: C) Reflex action. 42. Voluntary actions are controlled by the ..... A) Spinal nerve. B) Spinal cord. C) Cranial nerve. D) Brain. Show Answer Correct Answer: D) Brain. 43. Motor Neurons that control voluntary movement are part of the A) Somatic Nervous System. B) Sympathetic Nervous System. C) Autonomic Nervous System. D) Central nNervous System. Show Answer Correct Answer: A) Somatic Nervous System. 44. Which describes a cell's resting potential? A) Charged ions rush into the cell and reverse charges inside and outside of the cell. B) The cell does not have a charge at all. C) Cell is negatively charged, environment is positively charged. D) Cell is positively charged, environment is negatively charged. Show Answer Correct Answer: C) Cell is negatively charged, environment is positively charged. 45. Nerve that arises from the spinal cord A) Motor nerve. B) Sensory nerve. C) Spinal nerve. D) Mixed nerve. Show Answer Correct Answer: C) Spinal nerve. 46. Short fibres which branch repeatedly and project out of the soma are ..... which also contains ..... A) Sensory, Ca2+ channels. B) Dendrites, ribosomes. C) Dendrites, nissl granules. D) Sensory, voltage gated receptors. Show Answer Correct Answer: C) Dendrites, nissl granules. 47. High frequency causes ..... pitch A) High. B) Low. Show Answer Correct Answer: A) High. 48. The smallest functional unit of a muscle fiber is the ..... A) 1.fascicle. B) 1.sarcomere. C) 1.myofibril. D) 1.myofilament. Show Answer Correct Answer: B) 1.sarcomere. 49. What is the purpose of synapses? A) To stop two neurons from touching each other. B) To allow two neurons to interact with each other. C) To ensure nerve impulses travel in one direction. D) To stop neurons from communicating with each other. Show Answer Correct Answer: C) To ensure nerve impulses travel in one direction. 50. The following are true of CSF except which one? A) Is produced by the choroid plexuses. B) Transports glucose and other brain nutrients. C) Flows under high pressure. D) Found in all ventricles. Show Answer Correct Answer: C) Flows under high pressure. 51. Receptors for smell are called A) Glossopharyngeal. B) Olfactory receptors. C) Eustachian tube. D) Taste buds. Show Answer Correct Answer: B) Olfactory receptors. 52. Small, oval neuroglial cells with spider-like process which carry out phagocytosis are called: A) Astrocytes. B) Ependymal cells. C) Microglia. D) Satellite cells. Show Answer Correct Answer: C) Microglia. 53. Cells that do not conduct information but support the function of neurons A) Glial Cells. B) Neurons. Show Answer Correct Answer: A) Glial Cells. 54. ..... are nerve endings that send signals to the nervous system when stimulated. A) Sensory receptors. B) Cells. C) Brain. D) Organ systems. Show Answer Correct Answer: A) Sensory receptors. 55. The system which controls and coordinates all the activities of our body is called the A) Skeletal system. B) Circulatory system. C) Nervous system. D) None of above. Show Answer Correct Answer: C) Nervous system. 56. If someone is breaking into your house, this division of your nervous system might be activated: A) Parasympathetic division. B) Sympathetic division. C) Fight or flight response. D) Both b and c. E) All of the above. Show Answer Correct Answer: B) Sympathetic division. 57. Parkinson's Disease results from the bodies inability to produce what? A) Rods or Cones. B) Sugars. C) Neurotransmitters. D) White Blood Cells. Show Answer Correct Answer: C) Neurotransmitters. 58. Explain the process of action potential in a neuron. A) Action potential is initiated by a depolarization of the neuron's membrane, which causes voltage-gated ion channels to open and allow the influx of sodium ions. B) Action potential is a result of the neuron's membrane becoming hyperpolarized. C) Action potential is caused by the repolarization of the neuron's membrane. D) Action potential is initiated by the influx of potassium ions. Show Answer Correct Answer: A) Action potential is initiated by a depolarization of the neuron's membrane, which causes voltage-gated ion channels to open and allow the influx of sodium ions. 59. The autonomic nervous system consists of A) Single motor neuron bodies originating in the CNS and extending to muscles. B) Chain of two motor neurons, one originating in the CNS and one extending to the effector organ. Show Answer Correct Answer: B) Chain of two motor neurons, one originating in the CNS and one extending to the effector organ. 60. What does oxygen do for our bodies? A) Helps us move. B) Helps us remove waste from our body. C) Helps turn food into energy. D) None of above. Show Answer Correct Answer: C) Helps turn food into energy. β PreviousNext βRelated 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 π Back to Homepage π Download PDF Books π Premium PDF Books