A nurse is assisting with the planning of an in-service about updates in wound care for nursing staff. Which of the following sources should the nurse identify as providing the best evidence-based information?

Blood pressure: This finding is consistent with preeclampsia, but not HELLP syndrome.Preeclampsia is defined as new-onset hypertension (systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90 mmHg) after 20 weeks of gestation, with or without proteinuria.HELLP syndrome is a severe form of preeclampsia that involves hemolysis, elevated liver enzymes, and low platelets, but does not necessarily cause hypertension. Hemoglobin: This finding is consistent with HELLP syndrome, but not preeclampsia.

Hemolysis is one of the main features of HELLP syndrome, which causes a decrease in hemoglobin levels.Preeclampsia does not typically affect hemoglobin levels, unless there is significant blood loss or hemodilution.

Platelet count: This finding is consistent with both preeclampsia and HELLP syndrome.Low platelets (thrombocytopenia) are a common complication of preeclampsia, especially in severe cases.They are also a diagnostic criterion for HELLP syndrome, which requires a platelet count of less than 100,000/mm3.

Alanine aminotransferase: This finding is consistent with HELLP syndrome, but not preeclampsia.Elevated liver enzymes are another hallmark of HELLP syndrome, which indicates liver damage and inflammation.Preeclampsia may cause mild elevations of liver enzymes, but not to the same extent as HELLP syndrome.

Choice A rationale:

This is the correct answer. Older adults often experience decreased kidney function as a normal part of aging. Medications that are excreted primarily by the kidneys may require dosage adjustments to prevent potential toxicity.

Choice B rationale:

Increased liver function is not a typical physiological change in older adults. Liver function tends to decrease with age, which can affect the metabolism and clearance of certain medications.

Choice C rationale:

Increased metabolism is not a common physiological change in older adults. Metabolic rate tends to decrease with age, which can affect the metabolism of drugs.

Choice D rationale:

While pulmonary function may decrease with age, it is not the primary physiological change to consider when administering medications to older adults. Kidney function is a more critical factor in medication dosing for this population.