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?
Hypotension
Hypovolemia
Cardiogenic shock
Left ventricular failure
The Correct Answer is D
Rationale:
A. Hypotension: Hypotension is typically associated with decreased preload and low PAWP rather than elevated values. An elevated PAWP reflects increased pressure in the left heart, which does not occur with simple hypotension alone.
B. Hypovolemia: Hypovolemia leads to decreased circulating blood volume, reducing preload and PAWP. It is typically marked by low filling pressures, not elevated wedge pressures.
C. Cardiogenic shock: Although cardiogenic shock can be associated with elevated PAWP due to poor cardiac output and fluid backup, it is not as specific a marker as left ventricular failure, which directly affects PAWP.
D. Left ventricular failure: Elevated PAWP reflects increased pressure in the left atrium and pulmonary circulation, which is a hallmark of left-sided heart failure. This elevation occurs because the failing left ventricle cannot efficiently pump blood forward.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. Instruct the client to have his testosterone checked in 1 week: Testosterone levels are typically monitored after several weeks of therapy, not within just one week. Early testing may not accurately reflect the medication's effectiveness or stability in the bloodstream.
B. Wear clean gloves to apply the gel: Gloves must be worn, but they should be disposable and protective not simply clean gloves. This prevents accidental transdermal absorption of testosterone by the nurse, which can have hormonal effects, especially in females.
C. Apply the gel to the client's genital region: Testosterone gel should not be applied to the genital area due to the risk of irritation and unpredictable absorption. Recommended sites include the shoulders, upper arms, or abdomen where the skin is intact and dry.
D. Advise the client to wait 1 hr before showering or swimming: The client should be instructed to wait at least 1 hour to allow for full absorption of the gel. Showering or swimming too soon can reduce the effectiveness of the medication.
Correct Answer is ["A","B","C"]
Explanation
Rationale:
A. Maternal diabetes: Infants born to diabetic mothers are at increased risk for hypoglycemia due to elevated insulin levels stimulated by maternal hyperglycemia. After birth, the abrupt loss of maternal glucose can lead to a rapid drop in the infant’s blood sugar.
B. Prematurity: Premature infants have limited glycogen stores and immature metabolic systems, making them more susceptible to hypoglycemia. Their inability to effectively regulate glucose levels increases their risk after birth.
C. Hypothermia: Cold stress increases metabolic demands and glucose consumption. As the infant uses more energy to maintain body temperature, blood glucose levels can drop rapidly if not closely monitored and managed.
D. Thrombocytopenia: Low platelet counts may indicate other underlying conditions but are not directly associated with hypoglycemia. It is more relevant to clotting and bleeding risks rather than glucose regulation.
E. Anemia: Anemia affects oxygen-carrying capacity but does not have a direct link to blood glucose control. While it may indicate other health issues, it is not a recognized independent risk factor for neonatal hypoglycemia.
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