A nurse is reviewing the following ABG results for a postoperative client: pH 7.27, PaCO2 49 mm Hg, PaO2 65 mm Hg, HCO 22 mEq/L. The nurse should interpret the findings as which of the following imbalances?

Respiratory acidosis

Metabolic acidosis

Respiratory alkalosis

Metabolic alkalosis

Answer and Explanation

The Correct Answer is A

The ABG results show a low pH (acidosis), a high PaCO2 (respiratory component), and a normal HCO3 (metabolic component). This indicates respiratory acidosis, which is caused by hypoventilation and retention of carbon dioxide.

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Correct Answer is D

Explanation

A flat lesion with irregular borders is one of the signs of melanoma, a type of skin cancer that arises from melanocytes, the cells that produce pigment. Other signs of melanoma include asymmetry, color variation, diameter greater than 6 mm, and evolution or change over time. The other options are more characteristic of other types of skin cancer or benign lesions.

A. "I can drink vegetable juice with a meal." B. "I can season my foods with garlic and onion salts." C. "I can have a frozen fruit juice bar for dessert." D. "I can have mayonnaise on my sandwiches."

Correct Answer is C

Explanation

A frozen fruit juice bar for dessert is a low-sodium option that can satisfy the client's sweet tooth. According to the National Health and Nutrition Examination Survey, Americans consume about 3700 mg of sodium daily, which is much higher than the recommended 2300 mg for the general population and 1500 mg for those with heart failure. Excessive sodium intake can lead to fluid retention, hypertension, and worsening of heart failure symptoms. Therefore, the client should avoid high-sodium foods such as vegetable juice, garlic and onion salts, and mayonnaise.

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A nurse is reviewing the following ABG results for a postoperative client: pH 7.27, PaCO2 49 mm Hg, PaO2 65 mm Hg, HCO 22 mEq/L. The nurse should interpret the findings as which of the following imbalances?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is performing skin cancer screening on a group of clients. Which of the following findings should the nurse identify as an indication of melanoma?

Correct Answer is D

Explanation

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Correct Answer is C

Explanation

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