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25 Cards in this Set
- Front
- Back
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1. The axons of certain neurons are covered by a layer of fatty tissue that helps speed neural transmission. This tissue is
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B) the myelin sheath.
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2. Which is the correct sequence in the transmission of a neural impulse?
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D) dendrite, cell body, axon, synapse
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3. A neuron will generate action potentials when it
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C) receives more excitatory than inhibitory inputs.
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4. A strong stimulus can increase the
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C) number of times the neuron fires.
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5. The neurotransmitter acetylcholine (ACh) is most likely to be found
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B) at the junction between motor neurons and muscle fibers.
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6. The pain of heroin withdrawal may be attributable to the fact that
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A) under the influence of heroin the brain ceases production of endorphins.
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7. I am a relatively fast-acting chemical messenger that affects mood, hunger, sleep, and arousal. What am I?
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D) serotonin
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8. The effect of a drug that is an agonist is to
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B) mimic a particular neurotransmitter.
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9. The effect of a drug that is an antagonist is to
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C) block a particular neurotransmitter.
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10. In the brain, learning occurs as experience strengthens certain connections in cell work groups called
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B) neural networks.
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11. Heartbeat, digestion, and other self-regulating bodily functions are governed by the
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B) autonomic nervous system.
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12. Which is the correct sequence in the transmission of a simple reflex?
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C) sensory neuron, interneuron, motor neuron
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13. The gland that regulates body growth is the
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D) pituitary.
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14. The technique that uses magnetic fields and radio waves to produce computer images of structures within the brain is called
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D) MRI.
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15. Following a head injury, a person has ongoing difficulties staying awake. Most likely, the damage occurred to the
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C) reticular formation.
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16. Jessica experienced difficulty keeping her balance after receiving a blow to the back of her head. It is likely that she injured her
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D) cerebellum.
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17. Though there is no single “control center” for emotions, their regulation is primarily attributed to the brain region known as the
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A) limbic system.
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18. If Dr. Rogers wishes to conduct an experiment on the effects of stimulating the reward centers of a rat's brain, he should insert an electrode into the
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C) hypothalamus.
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19. Beginning at the front of the brain and moving toward the back of the head, then down the skull and back around to the front, which of the following is the correct order of the cortical regions?
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D) frontal lobe; parietal lobe; occipital lobe; temporal lobe
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20. The visual cortex is located in the
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A) occipital lobe.
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21. Damage to ________ will usually cause a person to loose the ability to comprehend language.
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C) Wernicke's area
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22. The nerve fibers that enable communication between the right and left cerebral hemispheres and that have been severed in split-brain patients form a structure called the
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C) corpus callosum.
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23. An experimenter flashes the word FLYTRAP onto a screen facing a split-brain patient so that FLY projects to her right hemisphere and TRAP to her left hemisphere. When asked what she saw, the patient will
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B) say she saw TRAP.
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24. Which of the following is typically controlled by the left hemisphere?
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B) word recognition
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25. Cortical areas that are not primarily concerned with sensory, motor, or language functions are
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B) called association areas.
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