This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 120 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 120 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the purpose of reflexes? A) To send hormones. B) To keep you from getting sick. C) To automaticcaly protect you. D) To help you grow. Show Answer Correct Answer: C) To automaticcaly protect you. 2. Which of the following characteristics are true for an action potential? A) The threshold potential must not be exceeded. B) Each stimulus produces a full potential or none at all. C) During the refractory period a neuron becomes more responsive to stimuli. D) During the refractory period sodium ions rush inward toward the cytoplasm of the cell. E) It can only occur in a myelinated portion of a neuron. Show Answer Correct Answer: B) Each stimulus produces a full potential or none at all. 3. The central nervous system consists of the: A) Brain and spinal nerves. B) Spinal nerves and cranial nerves. C) Cranial nerves and spinal cord. D) Spinal cord and brain. Show Answer Correct Answer: D) Spinal cord and brain. 4. What techniques have scientists used to find out which parts of the cerebral cortex do different jobs. A) MRI Scans. B) Studying people with brain damage. C) Electrical stimulation of the brain. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. The hypothalamus is said to be the? A) Brain of the brain. B) Vital functional spot. C) Memory, learning, and social skills area. D) None of above. Show Answer Correct Answer: A) Brain of the brain. 6. Disease of the cerebrum A) Cerebropathy. B) Cerebrometry. C) Cerebropathology. D) Cerebrostomy. Show Answer Correct Answer: A) Cerebropathy. 7. What is the reason why we cannot see the wing beats of a fly as it flies? A) The fly is too small. B) The fly moves too fast. C) The fly's wings move too quickly. D) The fly's wings move too slowly. Show Answer Correct Answer: C) The fly's wings move too quickly. 8. What type of nerves connect directly to the brain? A) Eyes. B) Cranial. C) Spinal. D) None of above. Show Answer Correct Answer: C) Spinal. 9. Cells work together to make the following. A) Organ systems. B) Organism. C) Tissues. D) Organs. Show Answer Correct Answer: C) Tissues. 10. Delicate, web-like middle layer of meninges A) Gyrus. B) Arachnoid mater. C) Pia mater. D) Dura mater. Show Answer Correct Answer: B) Arachnoid mater. 11. What term describes tha group of cells that can detect a stimulus A) Recipe. B) Receptor. C) Eye. D) Reception. Show Answer Correct Answer: B) Receptor. 12. These fibers transmit signals of sensation or signals to muscles A) The brain. B) Nerves. C) The spinal cord. D) None of above. Show Answer Correct Answer: B) Nerves. 13. Type of reflexes that secrete saliva, changes in pupil size, and digestion A) Autonomic. B) Voluntary. C) Somatic. D) Sympathetic. Show Answer Correct Answer: A) Autonomic. 14. Wrinkled part of the brain's surface where the body processes information A) Brain stem. B) Cerebral Cortex. C) Corpus Callosum. D) Cerebellum. Show Answer Correct Answer: B) Cerebral Cortex. 15. The membrane that supplies most of the blood to the brain is the ..... A) Pia mater. B) Dura mater. C) Arachnoid meninx. D) Choroid plexus . Show Answer Correct Answer: A) Pia mater. 16. Within the cerebral cortex, this region receives information from skin senses and from the movement of body parts. A) Motor cortex. B) Auditory cortex. C) Visual cortex. D) Somatosensory cortex. Show Answer Correct Answer: D) Somatosensory cortex. 17. Clusters of gray matter located deeper within the brain A) Cortex. B) Nuclei. C) Nerve tracts. D) Ganglion. Show Answer Correct Answer: B) Nuclei. 18. The part of the brain primarily responsible for coordination is the A) Cerebellum. B) Cerebrum. C) Midbrain. D) None of above. Show Answer Correct Answer: A) Cerebellum. 19. This part of the brain is at the top of the brain stem & is responsible for eye and ear reflexes. A) Midbrain. B) Medulla. C) Cerebrum. D) Pons. Show Answer Correct Answer: A) Midbrain. 20. To improve the reliability if an experiment as scientist should: A) Repeat the experiment and compare results. B) Use digital equipment and small units of measurement. C) Control all variables aside from the independent. D) Increase the validity. Show Answer Correct Answer: A) Repeat the experiment and compare results. 21. An animal's reaction to a stimulus is: A) Stimulus. B) Nervous System. C) Response. D) None of above. Show Answer Correct Answer: C) Response. 22. Choose the correct sequence of events that occurs when a person steps on a tack. A) A sensory neuron relays a signal to the spinal cord, then to the brain. B) A motor neuron relays a signal to the brain, then to the spinal cord. C) A motor neuron relays a signal to the spinal cord, then to the brain. D) A sensory neuron relays a signal to the brain, then to the spinal cord. Show Answer Correct Answer: A) A sensory neuron relays a signal to the spinal cord, then to the brain. 23. Which is the biggest part of the brain? A) Cerebrum. B) Brain Stem. C) Hands. D) Eyes. Show Answer Correct Answer: A) Cerebrum. 24. The outer layer of the cerebrum (which is made of gray matter that processes information from the sense organs) is known as the A) Corpus Callosum. B) Hypothalamus. C) Medulla. D) Brain Stem. E) Cerebral Cortex. Show Answer Correct Answer: E) Cerebral Cortex. 25. Which type of muscle is found only in the heart? A) Smooth muscle. B) Voluntary muscle. C) Soft muscle. D) Cardiac muscle. Show Answer Correct Answer: D) Cardiac muscle. 26. Which of the following are a part of the skeletal system? A) Neurons. B) Deltoids. C) Ligaments. D) The broadest back. Show Answer Correct Answer: C) Ligaments. 27. Which Cranial Nerve is associated with sensation of smell? A) II. B) III. C) IV. D) I. Show Answer Correct Answer: D) I. 28. Lack of salivation A) Parasympathetic. B) Sympathethic. Show Answer Correct Answer: B) Sympathethic. 29. The term central nervous system refers to the: A) Autonomic and peripheral nervous systems. B) Brain and somatic nerves. C) Brain and cranial nerves. D) Brain and spinal cord. Show Answer Correct Answer: D) Brain and spinal cord. 30. Part of nervous system that acts on what is decoded from the sensory portion A) Autonomic. B) Motor. C) Integrative. D) Somatic. Show Answer Correct Answer: B) Motor. 31. In which step does making a decision occur? A) Motor. B) Sensory. C) Integration. D) Neurology. Show Answer Correct Answer: C) Integration. 32. What happens to the heart rate and stroke volume in the parasympathetic system? A) Heart rate increases, stroke volume decreases. B) Heart rate increases, stroke volume increases. C) Heart rate decreases, stroke volume decreases. D) Heart rate decreases, stroke volume increases. Show Answer Correct Answer: C) Heart rate decreases, stroke volume decreases. 33. What receptor indicates change in body positions? (Hint:helps us with balance.) A) Chemoreceptors. B) Geogravity receptors. C) Photoreceptors. D) Proprioceptors. Show Answer Correct Answer: D) Proprioceptors. 34. What is the length of the spinal cord A) 50 cm. B) 20 CM. C) 45 cm. D) 36 CM. Show Answer Correct Answer: C) 45 cm. 35. Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed? A) 25%. B) 75%. C) 0 %. D) 50%. Show Answer Correct Answer: A) 25%. 36. This is the largest part of the brain, consisting of the left and right hemispheres. A) Cerebellum. B) Diencephalon. C) Cerebrum. D) Fissures. Show Answer Correct Answer: C) Cerebrum. 37. Both plant AND animal cells have ..... A) Cell membrane, cell wall, nucleus. B) Cell membrane, cytoplasm, nucleus. C) Cell membrane, chloroplast and nucleus. D) Cell wall, vacuole, nucleus. Show Answer Correct Answer: B) Cell membrane, cytoplasm, nucleus. 38. Which organ is part of the nervous system? A) Liver. B) Heart. C) Stomach. D) Brain. Show Answer Correct Answer: D) Brain. 39. The sensory division of the peripheral nervous system is also known as the ..... division. A) They will bring it out. B) Afferent. Show Answer Correct Answer: B) Afferent. 40. View the image and diagnose the person. A) Hypermetropia. B) Myopia. C) Color blind. D) None of above. Show Answer Correct Answer: A) Hypermetropia. 41. How does the cell maintain the negative concentration gradient during resting potential? A) By not allowing ions to pass through the membrane. B) By freely allowing ions to pass through the membrane. C) By letting potassium leak into the neuron. D) By pumping potassium into the cell while pumping sodium out. Show Answer Correct Answer: D) By pumping potassium into the cell while pumping sodium out. 42. Which of the following correctly describes the pathway of an impulse from stimulus to response (not involving a reflex)? A) Motor neuron, spinal cord, brain, spinal cord, sensory neuron. B) Brain, spinal cord, motor neuron, spinal cord, sensory neuron. C) Sensory neuron, spinal cord, brain, spinal cord, motor neuron. D) Sensory neuron, brain, motor neuron, spinal cord. E) Motor neuron, brain, sensory neuron, spinal cord. Show Answer Correct Answer: C) Sensory neuron, spinal cord, brain, spinal cord, motor neuron. 43. Flap tissue that keeps food and liquids from entering the respiratory system A) Trachea. B) Bronchi. C) Epiglottis. D) Vocal cords. Show Answer Correct Answer: C) Epiglottis. 44. Which of the following is not true regarding saltatory conduction (how the impulse travels when myelin is present). A) It only occurs along myelinated neurons. B) It is important to maintaining homeostasis. C) The nerve impulse jumps from node to node. D) It transmits action potential at a slower rate. Show Answer Correct Answer: D) It transmits action potential at a slower rate. 45. What is the basic function of the Nervous System? A) Control all body movement. B) Transmit information through electrical signals. C) Receive information through the senses. D) All of the other options. Show Answer Correct Answer: D) All of the other options. 46. This chemical is considered a neurotransmitter when released by a neuron into a synapse, and a hormone when released into the bloodstream: A) GABA. B) Norepinephrine. C) Serotonin. D) Epinephrine. Show Answer Correct Answer: B) Norepinephrine. 47. ..... is an example of automatic action controlled by spinal cord A) Kicking a ball. B) Singing. C) Sneezing. D) Walking. Show Answer Correct Answer: C) Sneezing. 48. What is the brainstem A) A relay station for nerve impulses. B) Controls senses. C) Part of the brain. D) None of above. Show Answer Correct Answer: A) A relay station for nerve impulses. 49. What would be an effect of the sympathetic nervous system? A) The pupils in your eyes constrict. B) Your blood pressure decreases. C) Your heart rate increases. D) The rate of contraction of smooth muscle increases. Show Answer Correct Answer: C) Your heart rate increases. 50. Reflex action is an automatic reaction to a, sudden stimulus A) True. B) False. Show Answer Correct Answer: A) True. 51. An infant is born with an incomplete blood-brain barrier. The glial cells that were most likely affected in development were the A) Astrocytes. B) Oligodendrocytes. C) Microglia. D) Ependymal cells. Show Answer Correct Answer: A) Astrocytes. 52. Which phrase best describes your entire nervous system? A) Extensive and complex. B) Localized and inefficient. C) Unicellular and microscopic. D) Mindless and automatic. Show Answer Correct Answer: A) Extensive and complex. 53. How many dendrites can there be? A) Many. B) 10. C) 20. D) 35. Show Answer Correct Answer: A) Many. 54. It coordinates muscle actions. A) Medulla. B) Cerebrum. C) Cerebellum. D) Brain Stem. Show Answer Correct Answer: C) Cerebellum. 55. What part of the eye sends messages to the brain from the retina? A) Lens. B) Iris. C) Optic Nerve. D) Cornea. Show Answer Correct Answer: C) Optic Nerve. 56. What area of the body is controlled by the somatic nervous system? A) Muscles surrounding the digestive tract. B) Skeletal muscle. C) Heart muscle. D) Secretion of glandular substances. Show Answer Correct Answer: B) Skeletal muscle. 57. While looking at your chart, you see:HR:84. You know HR stands for: A) Heart rate. B) Hand rate. Show Answer Correct Answer: A) Heart rate. 58. Which classification of medication controls tremors and muscle rigidity by increasing dopamine in the brain? A) Antiparkinsonian Agents. B) Antidepressants. C) Anesthetics. D) Antipsychotics. Show Answer Correct Answer: A) Antiparkinsonian Agents. 59. Which sensory receptors send impulses to the brain about temperature? A) Proprioceptors. B) Photoreceptors. C) Thermoreceptors. D) Mechanoreceptors. Show Answer Correct Answer: C) Thermoreceptors. 60. What is the cerebrum in charge of? A) Feelings. B) Motor skills. C) Thinking. D) None of above. Show Answer Correct Answer: C) Thinking. ← 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