Pre Test Questions (Exam 3) – Flashcards
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A thermosensory neuron in the skin converts heat energy to nerve impulses via a conversion called _____.
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sensory transduction
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Sensory adaptation is apparent when _____.
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a person is no longer aware of a heavy necklace that was put on earlier in the day
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The sense described as umami is one of _____.
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savory and delicious sensation on the tongue
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Sensory transduction in the auditory system is much like transduction of _____.
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mechanosensory stimuli
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The knee-jerk reflex has sensory neurons arising in the _____, interneurons in the _____, and efferent neurons that stimulate contraction in the _____.
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quadriceps muscle ... spinal cord ... hamstring muscle
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The energy for sensory transduction by the lateral line system in fish comes from _____.
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water movement
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The visual information used by honeybees includes these elements that are not apparent to humans
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the ability to distinguish ultraviolet radiation and 300 flashes of light per second
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At the neuromuscular junction, the arrival of acetylcholine on the muscle most immediately causes _____.
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a graded depolarization
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Myosin heads have binding sites for _____.
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ATP and actin
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Bees can see colors we cannot see, and they can detect minute amounts of chemicals we cannot sense. Unlike many insects, bees cannot hear very well. A biologist would probably give which of the following as the ultimate explanation for their poor hearing?
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Hearing may not contribute much to a bee's reproductive success
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Imagine that you are studying the food preferences of a lizard species across its range. You have hypothesized that because these populations are fairly separate from one another, the lizards have evolved different food preferences. You discover that in the desert, the lizard seems to prefer various types of flies, whereas at higher, wetter altitudes, it prefers one type of beetle. Does this observation support your hypothesis?
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No. First I need to determine whether the offspring of these lizards, raised in the laboratory under the same conditions, will reflect the parental food preferences.
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You observe a large black bird with a shiny black crest engaging in courtship behavior with a little brown bird. It would be reasonable to hypothesize that this is an example of _____.
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polygamy
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An unlearned behavior directly linked to a stimulus that is carried to completion once initiated and is essentially unchangeable is _____.
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a fixed action pattern
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Animal communication involves what type of sensory input?
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olfactory
auditory
visual
tactile
(All of the above)
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The fundamental excitable cell in the nervous system is the _____.
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neuron
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When light first enters the human eye, the first structure that it must pass through is the _____.
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cornea
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Rods and cones are similar in that they both _____.
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release glutamate as the primary neurotransmitter
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Motor cortex and somatosensory cortex are _____.
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organized in similar manner adjacent to each other, and are anatomically similar from one person to the next