If a fish suffers from a fungal skin infection that causes the cupula to become blocked, what will occur?
A. Water will not be able to enter the cupula which would prevent the cilia from bending. The fungal infection would then be allowed to enter into the bloodstream through the cupula.
B. Water will not be able to enter the cupula which would prevent the cilia from bending. If the cilia do not bend in response to the water it will not initiate a nerve impulse and the fish will lose the ability to detect nearby objects.
C. Water will not be able to enter the cupula which would prevent the cilia from maintaining its normal upright position. If the cilia do not stay upright it will not be able to initiate a nerve impulse and they will lose the ability to detect nearby objects.
D. Water will not be able to enter the cupula which would prevent the cilia from bending. If the cilia do not bend in response to the water it will over stimulate the nerve impulses and the fish will lose the ability to detect nearby objects.
Answer: B
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