A nurse is assisting with teaching a newly licensed nurse about the function of the large intestine. Which of the following information should the nurse include?

It produces vitamin D.

It absorbs liquid to form stool.

It secretes enzymes to digest food.

It prevents the reflux of food into the esophagus.

Answer and Explanation

The Correct Answer is B

A. It produces vitamin D: The skin, not the large intestine, produces vitamin D when exposed to sunlight.

B. It absorbs liquid to form stool: The large intestine reabsorbs water and electrolytes, forming solid stool.

C. It secretes enzymes to digest food: Enzyme secretion for digestion occurs in the stomach and small intestine, not the large intestine.

D. It prevents the reflux of food into the esophagus: The esophageal sphincter prevents reflux, not the large intestine.

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Correct Answer is A

Explanation

A. Respiratory acidosis: COPD often results in CO₂ retention due to impaired gas exchange, leading to respiratory acidosis.

B. Respiratory alkalosis: This occurs with hyperventilation and excessive loss of CO₂, which is not typical in COPD.

C. Metabolic acidosis: This is due to a primary metabolic disturbance, such as renal failure or diabetic ketoacidosis, not COPD.

D. Metabolic alkalosis: This is caused by excessive bicarbonate or loss of acids (e.g., vomiting) and is not associated with COPD.

A. Respiratory rate 28/min B. Pink mucous membranes. C. Restlessness D. Heart rate 110/min

Correct Answer is B

Explanation

A. Respiratory rate 28/min: A high respiratory rate suggests ongoing respiratory distress and that the intervention has not yet been effective.

B. Pink mucous membranes: Pink mucous membranes indicate adequate oxygenation and improved perfusion, showing that supplemental oxygen is effective.

C. Restlessness: Restlessness is a sign of hypoxia and indicates the oxygen therapy is not sufficient.

D. Heart rate 110/min: Tachycardia often occurs with hypoxia and does not indicate effective oxygen therapy.

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A nurse is assisting with teaching a newly licensed nurse about the function of the large intestine. Which of the following information should the nurse include?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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