A nurse is assessing a client’s pulmonary artery wedge pressure (PAWP). The nurse should recognize that an elevated PAWP indicates which of the following complications?
Cardiogenic shock
Left ventricular failure
Hypotension
Hypovolemia
The Correct Answer is B
Choice A reason: Cardiogenic shock involves reduced cardiac output, typically with low PAWP due to decreased preload from poor heart function. Elevated PAWP reflects left atrial pressure buildup, not characteristic of cardiogenic shock alone, which is distinct from heart failure, requiring specific hemodynamic management.
Choice B reason: Elevated PAWP indicates left ventricular failure, where the heart cannot pump blood effectively, causing pulmonary congestion. This increases left atrial pressure, leading to pulmonary edema, a hallmark of heart failure. Diuretics and inotropes are needed to reduce fluid overload and improve cardiac function.
Choice C reason: Hypotension is a symptom, not a direct complication of elevated PAWP. It may occur in heart failure due to reduced cardiac output, but elevated PAWP specifically signals left heart dysfunction, not hypotension itself, which is a systemic response rather than a primary cardiac issue.
Choice D reason: Hypovolemia reduces blood volume, lowering PAWP due to decreased preload. Elevated PAWP suggests fluid overload or left ventricular dysfunction, not hypovolemia, which presents with low central venous pressure and dehydration signs, requiring fluid resuscitation rather than management of heart failure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Preventing leakage is not the primary purpose of flushing an intermittent infusion device. Flushing maintains patency by clearing blood or medication residue, preventing clots or blockages. Leakage is addressed by proper capping or clamping, not flushing, making this statement incorrect as it misrepresents the procedure’s purpose.
Choice B reason: Flushing an infusion device does not contribute to hydration, as the flush solution (typically saline) is minimal and not intended for fluid replacement. The purpose is to maintain catheter patency by clearing debris or clots. This statement is incorrect, as it inaccurately suggests a hydration benefit unrelated to the procedure.
Choice C reason: Flushing an intermittent infusion device with saline clears blood or medication residue from the catheter, preventing occlusion and maintaining patency. Blood left in the line can clot, increasing infection risk or blocking the device. This statement accurately reflects the procedure’s purpose, ensuring continued functionality for future medication administration.
Choice D reason: Flushing does not ensure sterility, as the device is already in place and exposed to the bloodstream. Sterility is maintained during insertion or access, not flushing. The primary goal is patency, not sterilization, making this statement incorrect as it misaligns with the procedure’s clinical purpose.
Correct Answer is B
Explanation
Choice A reason: Nurses can witness advance directives in many settings, depending on state laws, so stating they cannot is inaccurate. This response dismisses the client’s request without providing guidance, making it incorrect and unhelpful for addressing their wishes.
Choice B reason: Including the client’s desire for advance directives in the medical record ensures their wishes are documented and respected. This aligns with the Patient Self-Determination Act, facilitating care planning, making it the correct and supportive response.
Choice C reason: Stating the client’s name can be removed from advance directives is confusing, as directives are personal and revocable, not about name removal. This response is inaccurate and irrelevant to the client’s request, making it incorrect.
Choice D reason: There is no universal age requirement of 21 for advance directives; competent adults (typically 18+) can create them. This statement is incorrect and restrictive, misinforming the client about their rights, making it inappropriate.
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