A nurse is collecting data on a client who has obstructive sleep apnea. Which of the following findings should the nurse expect?

A. Rest in a supine position.

This option is not recommended for improving gas exchange in emphysema. Resting in a supine position can lead to decreased lung expansion and increased dyspnea in individuals with emphysema. Optimal lung expansion is crucial for efficient gas exchange, and certain positions, such as sitting upright or using pillows to support the head and chest, are preferred to facilitate breathing.

B. Consume a low-protein diet.

A low-protein diet is not directly related to improving gas exchange in emphysema. In fact, adequate protein intake is important for maintaining overall health and supporting respiratory muscle function. Protein is necessary for tissue repair and maintaining muscle strength, including the respiratory muscles. Therefore, a balanced diet that includes adequate protein intake is recommended for individuals with emphysema.

C. Breathe in through her nose and out through pursed lips.

This is the correct choice. Breathing in through the nose and out through pursed lips helps to create positive pressure in the airways during exhalation. This positive pressure helps to keep the airways open, prevents premature collapse of the air sacs (alveoli), and facilitates more effective gas exchange. It also slows down the rate of breathing, reduces the work of breathing, and can alleviate shortness of breath (dyspnea) in individuals with emphysema.

D. Limit fluid intake throughout the day.

Limiting fluid intake throughout the day is not recommended for improving gas exchange in emphysema. Adequate hydration is important for thinning respiratory secretions, which can make it easier to clear mucus from the airways. Dehydration can worsen respiratory symptoms and increase the risk of complications. Therefore, maintaining adequate fluid intake is essential for individuals with emphysema.

A. Nausea

While nausea can occur in hypoxia, it is less common compared to other symptoms such as dyspnea (difficulty breathing), confusion, or cyanosis (bluish discoloration of the skin and mucous membranes).

B. Dysphagia

Dysphagia, or difficulty swallowing, is not typically associated with hypoxia. It is more commonly seen in conditions affecting the esophagus or neurological disorders affecting swallowing function.

C. Agitation

Manifestations of hypoxia can vary depending on the severity and duration of oxygen deprivation. Agitation is a common finding in hypoxia, particularly in cases of acute or severe hypoxemia. As the body's oxygen supply becomes compromised, the brain may perceive this as a threat, leading to increased anxiety, restlessness, and agitation as the body attempts to compensate for the lack of oxygen.

D. Warm, dry skin

Warm, dry skin is not a typical finding in hypoxia. Instead, hypoxia may lead to peripheral vasoconstriction and cool, clammy skin as the body attempts to conserve oxygen and maintain core body temperature.