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← Human Body & HealthWhich mechanism causes reduced salt perception after paralysis of facial nerves?
A)Impaired signal transduction cascade✓
B)Disrupted olfactory nerve integration
C)Decreased mucin secretion efficiency
D)Elevated gustatory cortex inhibition threshold
💡 Explanation
Facial nerve paralysis disrupts the chorda tympani, inhibiting signal transduction originating from taste receptor cells because the nerve synapses carry taste information to the brain; therefore, salt taste perception decreases rather than alternative neural pathways compensating.
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