A client taking fluphenazine (Prolixin) complains of dry mouth and blurred vision. What would the nurse assess as the likely cause of these symptoms?
1. Decreased dopamine at receptor sites
2. Blockade of histamine
3. Cholinergic blockade
4. Adrenergic blocking
ANS: 3
Fluphenazine administration produces blockade of cholinergic receptors giving rise to anticholin-ergic effects such as dry mouth, blurred vision, constipation, etc.
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