A nurse is reviewing the ABGs of a client who has pneumonia. The nurse should identify which of the following findings is an indication of respiratory acidosis.
PaO2 86 mm Hg.
pH 7.4.
HCO3 16 mEq/L.
PaCO2 58 mm Hg.
The Correct Answer is D
Choice A rationale:
A PaO2 value of 86 mm Hg is within the normal range (80-100 mm Hg) and does not indicate respiratory acidosis. PaO2 measures the partial pressure of oxygen in arterial blood.
Choice B rationale:
A pH of 7.4 is within the normal range (7.35-7.45) and does not indicate respiratory acidosis. The pH reflects the acidity or alkalinity of the blood.
Choice C rationale:
An HCO3 (bicarbonate) level of 16 mEq/L is within the normal range (22-28 mEq/L) and does not indicate respiratory acidosis. HCO3 is a measure of the metabolic component of the body's acid-base balance.
Choice D rationale:
This is the correct choice. A PaCO2 value of 58 mm Hg is elevated and indicates respiratory acidosis. PaCO2 measures the partial pressure of carbon dioxide in arterial blood, and an elevated value suggests the presence of excess carbon dioxide, leading to acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
10 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 1 hour. However, the question asks for the rate at which to administer 10 mEq over 1 hour, which means the total volume should be 100 mL/hr.
Choice B rationale:
50 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 2 hours. However, the question specifies 1 hour, so the rate should be higher.
Choice C rationale:
This is the correct answer. To administer 10 mEq of potassium chloride in 100 mL over 1 hour, the infusion pump should be set to deliver 100 mL/hr.
Choice D rationale:
500 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 10 minutes (1/6th of an hour). However, the question specifies 1 hour, so the rate should be much lower.
Correct Answer is D
Explanation
Choice A rationale:
Placing the client in a low Fowler's position with the knees bent (Choice A) can help reduce tension on the abdominal incision, but it is not the priority when evisceration is present. The focus should be on immediate intervention and preparation for surgery.
Choice B rationale:
Covering the client's wound with a sterile saline-soaked dressing (Choice B) is essential to prevent further contamination and maintain moisture in the exposed tissue. This step helps protect the wound until the client can be taken to the operating room.
Choice C rationale:
Notifying the surgeon about the finding (Choice C) is important, but it should not be done before taking more immediate action. Evisceration requires prompt intervention and transfer to surgery, and the surgeon will be involved once the client is ready for the operation.
Choice D rationale:
Preparing the client for transfer to surgery (Choice D) is the correct sequence of steps in this situation. Evisceration is a surgical emergency that requires immediate intervention to prevent complications and infection. The nurse should stabilize the wound with a sterile dressing and then prepare the client for surgery promptly.
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