A nurse is reviewing the ABG values of a client who has chronic bronchitis and reports dyspnea with minimal exertion. Which of the following acid- base imbalances should the nurse suspect?
Metabolic acidosis
Respiratory alkalosis
Respiratory acidosis
Metabolic alkalosis
The Correct Answer is C
Answer: C. Respiratory acidosis
Rationale:
A) Metabolic acidosis: This occurs when there is an excess of acid in the body or a loss of bicarbonate, often due to conditions such as renal failure or severe diarrhea. In chronic bronchitis, the primary issue is related to respiratory function rather than metabolic disturbances.
B) Respiratory alkalosis: This condition results from hyperventilation, leading to excessive loss of carbon dioxide. It is unlikely in a client with chronic bronchitis, who typically experiences difficulty in exhaling fully rather than hyperventilating.
C) Respiratory acidosis: In chronic bronchitis, airflow obstruction and reduced gas exchange can lead to carbon dioxide retention, resulting in respiratory acidosis. Symptoms like dyspnea and increased work of breathing support this imbalance, as the body is unable to adequately expel carbon dioxide.
D) Metabolic alkalosis: This imbalance results from excessive bicarbonate or loss of hydrogen ions, often related to prolonged vomiting or diuretics. It is not characteristic of chronic bronchitis, where the primary concern is respiratory function rather than metabolic processes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
(a) Administer another dose of the beta-blocker as prescribed by the physician: Administering another dose of the beta-blocker may not be the best course of action. If the client is experiencing fatigue and weakness, it could be a sign that the medication’s side effects are causing these symptoms. Administering an additional dose may exacerbate these side effects. Adjusting the medication regimen should be done under the direction of the healthcare provider.
(b) Offer the client a salty snack to improve blood pressure: Offering a salty snack may increase blood pressure, but it does not address the underlying issue of the medication’s side effects. Moreover, a diet high in salt can lead to other health problems, such as heart disease and stroke.
(c) Document the client’s symptoms and notify the healthcare provider: Documenting the client’s symptoms and notifying the healthcare provider is the most appropriate initial nursing action. The healthcare provider needs to be informed so that appropriate changes to the medication regimen can be made.
(d) Encourage the client to participate in physical therapy exercises: While physical therapy exercises can be beneficial for overall health, they do not address the immediate concern of the medication’s side effects. The client’s symptoms are indicative of medication side effects rather than a lack of physical activity. While physical therapy is important, it is not the most immediate priority in addressing the client’s current symptoms.
Correct Answer is D
Explanation
A. Have the client place their head between their knees:
Placing the head between the knees may help alleviate symptoms of hyperventilation by promoting relaxation and reducing dizziness. This position can help increase venous return to the heart and improve cerebral blood flow, which may reduce symptoms associated with hyperventilation.
B. Plan to administer sodium bicarbonate to the client:
Sodium bicarbonate is not indicated for respiratory alkalosis. It is used to treat metabolic acidosis by increasing plasma bicarbonate levels. Administering sodium bicarbonate to a client with respiratory alkalosis may exacerbate the alkalosis by further increasing the pH of the blood.
C. Plan to administer insulin to the client:
Insulin administration is not indicated for respiratory alkalosis. Insulin is used to manage hyperglycemia in diabetes mellitus and does not address the underlying respiratory condition causing alkalosis.
D. Have the client breathe into a paper bag:
Breathing into a paper bag is a common intervention for managing hyperventilation associated with respiratory alkalosis. Rebreathing exhaled carbon dioxide helps increase carbon dioxide levels in the blood, which can reverse the alkalosis and alleviate symptoms of hyperventilation.
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