A nurse is caring for a client who has pneumonia with dyspnea. The client's ABG results are pH 7.30, PaCO2 50 mm Hg, HCO3 26 mEq/L. The nurse should recognize that the client has which of the following acid-base imbalances?
Metabolic acidosis
Respiratory acidosis
Respiratory alkalosis
Metabolic alkalosis
The Correct Answer is B
This ABG result indicates that the client has an excess of carbon dioxide (CO2) due to hypoventilation.
A. "Metabolic acidosis" is an incorrect answer because the pH is low and the HCO3 is within normal range.
C. "Respiratory alkalosis" is an incorrect answer because the pH is low and the PaCO2 is elevated.
D. "Metabolic alkalosis" is an incorrect answer because the HCO3 is within normal range, and the pH is low.
Explanation: The ABG result shows a low pH, elevated PaCO2, and normal HCO3, indicating respiratory acidosis. This condition can be caused by conditions that affect breathing, such as pneumonia, asthma, or chronic obstructive pulmonary disease (COPD).
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Related Questions
Correct Answer is D
Explanation
The client had a right radical mastectomy, which can lead to lymphedema, a buildup of fluid that can cause swelling in the arm. Using the client's left arm to obtain blood samples can help prevent injury to the affected arm and reduce the risk of lymphedema. Obtaining blood pressure readings with the client's left arm is also recommended. Range-of-motion exercises are important to prevent stiffness, and elevating the affected arm can help reduce swelling.
A: Obtaining blood pressure readings with the client's right arm can cause injury and increase the risk of lymphedema.
B: Limiting range-of-motion exercises can lead to stiffness and may not prevent lymphedema.
C: Keeping both arms below the level of the client's heart can help reduce swelling, but does not directly prevent lymphedema.
Correct Answer is D
Explanation
Choice A rationale: Applying an estrogen vaginal cream daily is not a risk factor for osteoporosis. In fact, estrogen can help maintain bone density.
Choice B rationale: Including canned sardines in the diet provides calcium and vitamin D, which are beneficial for bone health.
Choice C rationale: Walking 30 minutes per day is a weight-bearing exercise that helps maintain bone density and is beneficial for preventing osteoporosis.
Choice D rationale: Using a beclomethasone inhaler (a corticosteroid) can be a risk factor for osteoporosis, especially if used long-term, as corticosteroids can lead to bone loss.
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