ch 49 view (1) - 2010 TH Ch 49 Multiple Choice Identify the...

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2010 TH Ch 49 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which of the following is a sensation and not a perception? a. seeing the colors in a rainbow b. a nerve impulse induced by sugar stimulating sweet receptors on the tongue c. the smell of natural gas escaping from an open burner on a gas stove d. the unique taste of french fries with cheese e. the sound of a fire-truck siren as it passes by your car ____ 2. Why are we able to differentiate tastes and smells? a. The action potentials initiated by taste receptors are transmitted to a separate region of the brain than those initiated by receptors for smell. b. The sensory region of the cerebral cortex distinguishes something we taste from something we smell by the difference in the action potential. c. The brain distinguishes between taste, arising from interoreceptors, from smell arising from exteroreceptors. d. Because we are able to see what we are tasting, the brain uses this information to distin- guish taste from smell. e. Taste receptors are able to detect fewer molecules of the stimulus, which means these re- ceptors will initiate a receptor potential before smell receptors do. ____ 3. If a stimulus is to be perceived by the nervous system, which part of the sensory pathway must occur first ? a. integration b. transmission c. transduction d. reception e. amplification ____ 4. What is the correct sequence of events that would lead to a person hearing a sound? 1. transmission 2. transduction 3. integration 4. amplification a. 1, 2, 3, 4 b. 1, 4, 2, 3 c. 2, 4, 1, 3 d. 3, 1, 2, 4 e. 3, 1, 4, 2 ____ 5. Which of the following is a good example of sensory adaptation? a. olfactory receptors ceasing to produce receptor potentials when triggered by the smell of the second batch of cookies you are baking b. hair cells in the organ of Corti not responding to high-pitched sounds after you have worked on the same construction job for 30 years
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This note was uploaded on 05/06/2010 for the course BIOLOGY 02541 taught by Professor Jcobs during the Spring '10 term at Wilson Tech.

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ch 49 view (1) - 2010 TH Ch 49 Multiple Choice Identify the...

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