BIO 227 EXAM V QUESTIONS WITH CORRECT ANSWERS

Name the 3 types of receptors based upon classifying by LOCATION of receptors:


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1. Exteroceptors
2. Visceroceptors and Interoceptors
3. Proprioceptors




Define afterimages:


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Sensations that persist even though the stimulus has been removed.

,Name 2 types of receptors that respond to vibration:


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1. Meissner's corpuscles
2. Pacinian corpuscles




Name 3 parts of the vascular tunic (uvea):


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1. Choroids
2. Ciliary body
3. Iris




Unequal curvature of the cornea results in


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.Astigmatism




What is the vitreous humor and where do you find it?


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, completely filled sac between the lens and retina




Define presbyopia.


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old eyes, inability to accommodate




Partial adaptation to a continuous olfactory sensation can occur in how many
second(s).


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1 second




Which taste sensation are you least sensitive to (highest threshold)?


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salty and sweet




The second element of the light focusing system is the


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