The nurse is assessing the eyes of a client who just received mydriatic eye drops. Which physiological function of the eye will not respond during the therapeutic period after administration of the eye drops?

A. Explore what the client means by the drug "is not working": This is the most appropriate initial intervention. It is essential to understand the client's specific concerns and symptoms they are experiencing to assess whether the medication is meeting its intended effects or if there may be issues with dosing, timing, or expectations. This step helps clarify the client's experience and guides further assessment.
B. Determine if the client is taking the medication before meals: While the timing of carbidopa-levodopa intake relative to meals can affect its absorption, understanding the client's specific concerns about the medication's effectiveness should come first. If the medication is not working as expected, checking administration timing is one aspect to explore after clarifying the client's concerns.
C. Evaluate the client for signs of dyskinesia: Dyskinesia, which refers to involuntary movements, can be a side effect of long-term use of carbidopa-levodopa. However, before evaluating for specific side effects, it is crucial to first understand the client's perception of the medication's effectiveness.
D. Ask if the client's morning voids are dark colored: This is less relevant to the immediate concern of the medication's effectiveness. While urine color can sometimes be affected by medications or their side effects, addressing the client's specific concern about the medication's effectiveness is more pertinent.

A. Polyuria: Polyuria, or increased urine output, is typically a symptom of diabetes insipidus (DI) rather than a side effect of vasopressin. Vasopressin is used to treat DI by reducing urine output, so the presence of polyuria might indicate that the medication is not effective or that the dosage needs adjustment.
B. Low urine specific gravity: Low urine specific gravity is also a symptom of DI, reflecting the kidneys' inability to concentrate urine. With the administration of vasopressin, one would expect an improvement in urine concentration and specific gravity, so low urine specific gravity could indicate that the medication is not effectively managing the condition.
C. Polydipsia: Polydipsia, or excessive thirst, is a common symptom of DI. While it may improve with effective vasopressin treatment, its presence alone is not usually an immediate concern requiring healthcare provider notification unless it significantly worsens or is accompanied by other symptoms.
D. Worsening headache: A worsening headache could be a sign of water intoxication or hyponatremia, which can occur if vasopressin causes excessive water retention. This is a serious side effect that requires immediate attention, as it could indicate complications related to vasopressin therapy. The healthcare provider should be notified to assess and address any potential adverse effects of the treatment.