A client is receiving oxygen therapy via a nasal cannula. When the client asks the nurse why he needs to have oxygen tubing in his nose, which of the following explanations about the cannula should the nurse give him?
"It delivers the highest concentration of oxygen possible."
"It delivers a specific concentration of oxygen constantly."
"It delivers the low concentration of oxygen you need."
"It allows you to remove it for a while when it gets uncomfortable."
The Correct Answer is C
A. "It delivers the highest concentration of oxygen possible." This is inaccurate; other methods (like non-rebreather masks) deliver higher concentrations.
B. "It delivers a specific concentration of oxygen constantly." While it does provide a specific concentration, it is not as constant as other devices because it can vary based on the client's breathing patterns.
C. "It delivers the low concentration of oxygen you need." A nasal cannula typically delivers a low concentration of oxygen (approximately 24-44% oxygen depending on the flow rate), which is appropriate for clients who need supplemental oxygen but do not require a high concentration.
D. "It allows you to remove it for a while when it gets uncomfortable." This is misleading; while the client can remove it temporarily, it is essential to maintain oxygen therapy as prescribed for adequate oxygenation.
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Correct Answer is D
Explanation
A. Decreasing respiratory rate: This is not expected; respiratory rate may increase as the body attempts to compensate for reduced oxygenation.
B. Facial flushing: This is not a common symptom of atelectasis and may indicate other issues such as anxiety or fever.
C. Dry cough: While a cough may be present, it is more likely to be productive due to retained secretions.
D. Increasing dyspnea: Atelectasis often leads to decreased lung volume, which can cause increasing dyspnea as the lung tissue collapses.
Correct Answer is B
Explanation
A. Abdominal pain: This is not typically associated with respiratory alkalosis, which primarily affects respiratory and neurologic systems.
B. Hyperventilation: Respiratory alkalosis occurs when a person exhales too much carbon dioxide, typically from hyperventilation, which can result from anxiety, pain, or other conditions.
C. Constipation: This is not a symptom of respiratory alkalosis; it might be seen in other metabolic disorders but not this one.
D. Dry skin: Dry skin is not a common manifestation of respiratory alkalosis; symptoms are usually respiratory and neurological (e.g., lightheadedness, tingling).