A patient has the following arterial blood gas results: PH: 7.50. PaC02: 31 mm Hg, HC03-: 25 mEq/L. The nurse determines that these results indicate:

Respiratory alkalosis

Respiratory acidosis

Metabolic alkalosis

Metabolic acidosis

Answer and Explanation

The Correct Answer is A

Based on the given arterial blood gas results, the patient's pH is elevated, indicating alkalosis. The PaCO2 level is decreased, which suggests respiratory compensation. The bicarbonate (HCO3-) level is within the normal range. Therefore, the interpretation of the arterial blood gas results is respiratory alkalosis.

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Correct Answer is D

Explanation

Coﬀee-ground material in the NG suction indicates that there is active bleeding in the upper gastrointestinal tract, which could be a life-threatening situation. This requires immediate medical attention and intervention to control the bleeding and stabilize the patient.

Options A, B, and C are also important assessment data, but they are not as urgent as option D in this scenario.

A. The client's stool is positive for occult blood. B. The client reports abdominal discomfort an hour after each meal. C. The client has had four ulcers in the last 5 years. D. The client's hemoglobin is 13 g/dL and hematocrit is 42%.

Correct Answer is B

Explanation

Abdominal discomfort an hour after a meal is a common symptom of a gastric ulcer because the stomach is where food is initially processed, and stomach acid is most concentrated. In contrast, duodenal ulcers typically cause pain 2-3 hours after meals, as food moves out of the stomach and into the duodenum, where it encounters duodenal acid.

A positive stool occult blood test is a non-specific finding that can be caused by many gastrointestinal conditions, including peptic ulcers. It does not indicate the location of the ulcer.

The number of ulcers the client has had in the past does not indicate the location of the current ulcer.

Normal hemoglobin and hematocrit levels do not provide information about the location of the ulcer.

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A patient has the following arterial blood gas results: PH: 7.50. PaC02: 31 mm Hg, HC03-: 25 mEq/L. The nurse determines that these results indicate:

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Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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