A nurse has been assigned to care for a client diagnosed with a small bowel obstruction. The client has a nasogastric tube attached to suction for 2 days. Which arterial blood gas result will the nurse expect to see for this client?

Metabolic alkalosis

Respiratory acidosis

Metabolic acidosis

Respiratory alkalosis

Answer and Explanation

The Correct Answer is A

A.   This condition occurs because the suctioning can lead to a significant loss of hydrochloric acid from the stomach. Since hydrochloric acid is one of the components that maintain the acid-base balance in the body, its loss can lead to an increase in blood pH, causing alkalosis
B.   Respiratory acidosis occurs due to retention of carbon dioxide (CO2), leading to an increase in PaCO2 and a decrease in pH. In the context of a small bowel obstruction with nasogastric tube suctioning, this is less likely unless there are concurrent respiratory issues.
C.   This condition occurs because the suctioning can lead to a significant loss of hydrochloric acid from the stomach. Since hydrochloric acid is one of the components that maintain the acid-base balance in the body, its loss can lead to an increase in blood pH, causing alkalosis. Acidosis is, therefore, unlikely.
D.   Respiratory alkalosis occurs due to hyperventilation, leading to a decrease in PaCO2 and an increase in pH. This is less likely in the context of nasogastric tube suctioning unless there are other contributing factors.

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Correct Answer is D

Explanation

A. A pH of 7.45 indicates alkalosis, not acidosis. In respiratory acidosis, the pH would be lower than normal (below 7.35) due to the accumulation of carbon dioxide.
B. A bicarbonate (HCO3-) level of 30 mEq/L is within the normal range (typically 22-26 mEq/L). Bicarbonate levels may be normal or slightly elevated in respiratory acidosis as a compensatory mechanism to buffer the excess acid.
C. Potassium levels can vary in respiratory acidosis but are not typically specified by a specific value. The level of potassium is more directly related to metabolic acid-base disturbances rather than respiratory acidosis.
D. An elevated PaCO2 level above 45 mm Hg indicates respiratory acidosis. In this scenario, a PaCO2 of 50 mm Hg suggests that the client is retaining carbon dioxide, leading to an acidotic state (lower pH).

Correct Answer is ["167"]

Explanation

1 kilogram is equivalent to 2.2 pounds.

The client weighs 245 lbs, which is approximately 111.36 kg (245 lbs / 2.2). The prescribed dosage is 1.5 mg per kilogram.

Therefore, the dosage per dose would be 1.5 mg/kg * 111.36 kg, which equals 167.04 mg. Rounded to the nearest whole number, the nurse should administer 167 mg per dose.

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A nurse has been assigned to care for a client diagnosed with a small bowel obstruction. The client has a nasogastric tube attached to suction for 2 days. Which arterial blood gas result will the nurse expect to see for this client?

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Naxlex Comprehensive Predictor Exams

A nurse is reviewing the laboratory values of a client who has respiratory acidosis. Which of the following findings should the nurse expect?

Correct Answer is D

Explanation

Correct Answer is ["167"]

Explanation

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