The nurse is admitting a patient with pulmonary edema resulting from heart failure. Upon assessment, the nurse notes that the patient is hyperventilating. What lab results will the nurse expect to see?

pH 7.46, PaCO2 30, HCO3 24

pH 7.48, PaCO2 45, HCO3 29

pH 7.26, PaCO2 59, HCO3 30

pH 7.31, PaCO2 34, HCO3 18

Answer and Explanation

The Correct Answer is A

Choice A reason: The lab results pH 7.46, PaCO2 30, HCO3 24 indicate respiratory alkalosis, which can occur due to hyperventilation. In pulmonary edema, the patient may hyperventilate to compensate for reduced oxygenation, leading to a decrease in carbon dioxide (PaCO2) and an increase in pH (alkaline).

Choice B reason: The lab results pH 7.48, PaCO2 45, HCO3 29 indicate metabolic alkalosis with partial compensation. This is not consistent with hyperventilation in pulmonary edema, where respiratory alkalosis is more likely.

Choice C reason: The lab results pH 7.26, PaCO2 59, HCO3 30 indicate respiratory acidosis with partial compensation. This finding suggests hypoventilation, which is not expected in a patient hyperventilating due to pulmonary edema.

Choice D reason: The lab results pH 7.31, PaCO2 34, HCO3 18 indicate metabolic acidosis with partial compensation. This is not typical in a patient with hyperventilation and pulmonary edema.

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Correct Answer is B

Explanation

Choice A reason: Scattered petechiae on bilateral lower extremities are a common finding in patients with thrombocytopenia, indicating low platelet count and increased risk of bleeding. While this finding is concerning, it is not as immediate a threat as significant bleeding or bruising.

Choice B reason: Ecchymosis around the intravenous site suggests significant bleeding and bruising, which can be more urgent and requires immediate reporting. A platelet count of 10,000/mm³ is critically low, increasing the risk of spontaneous bleeding and haemorrhage. Immediate intervention is necessary to prevent further complications.

A. Take the iron with dairy products to enhance absorption. B. Always take iron supplements with meals. C. Iron will cause the stools to darken in color. D. Limit foods high in fiber due to the risk for diarrhea. E. Include vitamin C-rich foods or drinks with your iron supplement.

Correct Answer is ["C","E"]

Explanation

Choice A reason: Taking iron with dairy products to enhance absorption is incorrect. Calcium in dairy products can interfere with the absorption of iron. It is recommended to take iron supplements with water or vitamin C-rich foods to enhance absorption.

Choice B reason: Always taking iron supplements with meals is not necessary and can reduce absorption. Iron is best absorbed on an empty stomach, although taking it with food can help reduce gastrointestinal side effects. The timing should be individualized based on the patient's tolerance.

Choice C reason: Iron will cause the stools to darken in color, which is a common and harmless side effect of iron supplements. Patients should be informed about this to prevent unnecessary concern.

Choice D reason: Limiting foods high in fiber due to the risk of diarrhea is not necessary. High-fiber foods are generally beneficial for overall health and can help prevent constipation, which is a more common side effect of iron supplements.

Choice E reason: Including vitamin C-rich foods or drinks with your iron supplement is recommended. Vitamin C enhances the absorption of non-heme iron from supplements and plant-based sources, improving the efficacy of the treatment.

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The nurse is admitting a patient with pulmonary edema resulting from heart failure. Upon assessment, the nurse notes that the patient is hyperventilating. What lab results will the nurse expect to see?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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Explanation

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