A nurse is reviewing the ABG results of a client who has COPD. The results include a pH of 7.3 (7.35 to 7.45), PaO2 56 mm Hg (80 to 100 mm Hg), PaCO2 54 mm Hg (35 to 45 mm Hg), HCO3- 26 mEq/L (21 to 28 mEq/L), and SaO2 87%. Which of the following is the correct interpretation of these values?

Compensated metabolic acidosis

Compensated respiratory acidosis

Uncompensated respiratory acidosis

Uncompensated metabolic acidosis

Answer and Explanation

The Correct Answer is C

A. Compensated metabolic acidosis would show a normal pH with a decrease in HCO3- and a decrease in PaCO2.

B. Compensated respiratory acidosis would show a normal pH with an elevated PaCO2 and a compensatory increase in HCO3-.

C. The low pH indicates acidosis, and the elevated PaCO2 suggests that it is respiratory in origin, with the HCO3- remaining normal, indicating no compensation has occurred yet.

D. Uncompensated metabolic acidosis would present with a low pH, low HCO3-, and normal PaCO2.

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Correct Answer is B

Explanation

A. Taking the medication 2 hours apart from calcium supplements is important, but the timing is not the primary instruction; the focus should be on the medication itself.

B. Levothyroxine should be taken on an empty stomach, ideally 30 to 60 minutes before breakfast, to enhance absorption.

C. Taking a double dose if a dose is missed can lead to toxicity; patients should be instructed to skip the missed dose and resume the regular schedule.

D. While taking the medication with a small sip of water is acceptable, it is not the most critical instruction for ensuring proper absorption and effectiveness of levothyroxine.

A. "I am concerned about my child's future participation in team sports." B. "My child doesn't like to sit still for nebulizer treatments." C. "My child has only a small amount of mucus after percussion therapy." D. "I think that my child has been running a fever over the last couple of days."

Correct Answer is C

Explanation

A. Concerns about participation in team sports are important, but they do not directly warrant a request for a high-frequency chest compression vest.

B. Discomfort with nebulizer treatments suggests the need for alternate therapies but does not specifically indicate a need for the vest.

C. A statement regarding a small amount of mucus after percussion therapy suggests that traditional methods of airway clearance may not be effective enough, indicating a need for a high-frequency chest compression vest to help mobilize mucus.

D. A fever may indicate an infection or exacerbation but does not directly relate to the need for a high-frequency chest compression vest.

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A nurse is reviewing the ABG results of a client who has COPD. The results include a pH of 7.3 (7.35 to 7.45), PaO2 56 mm Hg (80 to 100 mm Hg), PaCO2 54 mm Hg (35 to 45 mm Hg), HCO3- 26 mEq/L (21 to 28 mEq/L), and SaO2 87%. Which of the following is the correct interpretation of these values?

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Naxlex Comprehensive Predictor Exams

A nurse is providing teaching to a client who has a prescription for levothyroxine 25 mcg PO daily. Which of the following instructions should the nurse include in the teaching?

Correct Answer is B

Explanation

.A home health nurse is evaluating a school-age child who has cystic fibrosis. The nurse should initiate a request for a high-frequency chest compression vest in response to which of the following parent statements?

Correct Answer is C

Explanation

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