Why should the therapist be reluctant to provide excess protein to a COPD patient who is being weaned from mechanical ventilation and who has an increased ventilatory drive?
A. Hypoventilation may occur.
B. The patient may overventilate.
C. Pulmonary perfusion may decrease.
D. Anaerobic respiration may be induced.
?ANS: A
A. Correct response: Theoretically, increasing protein provision may be used to stimulate ventilatory drive in weaning efforts. However, in pushing too hard with protein infusion in a patient with COPD, who already has an increased ventilatory drive, may precipitate fatigue and dyspnea. The fatigue and failure may lead to lower minute ventilation and a further increased Paco2.
B. Incorrect response: See explanation A.
C. Incorrect response: See explanation A.
D. Incorrect response: See explanation A.
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