An unresponsive client was brought to the emergency room and had an arterial blood gas drawn. Ten minutes later, the laboratory calls with the following results: PaO2 74%, pH 7.22, PaCO2 85 mm Hg, and HCO3 23 mEq/L. The nurse interprets the results as indicating which imbalance?

Respiratory acidosis without compensation

Metabolic acidosis with full compensation

Respiratory acidosis with partial compensation

Metabolic acidosis without compensation

Answer and Explanation

The Correct Answer is C

A. Respiratory acidosis without compensation: The pH of 7.22 indicates acidosis, but the HCO3 level of 23 mEq/L suggests that compensation is occurring because the HCO3 is within the normal range for respiratory acidosis.
B. Metabolic acidosis with full compensation: The high PaCO2 level is more indicative of respiratory issues, not metabolic acidosis. Additionally, compensation for metabolic acidosis would show elevated HCO3.
C. Respiratory acidosis with partial compensation: The elevated PaCO2 and low pH indicate respiratory acidosis. The normal HCO3 level suggests partial compensation by the kidneys.
D. Metabolic acidosis without compensation: The elevated PaCO2 and normal HCO3 suggest respiratory acidosis rather than metabolic acidosis.

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Correct Answer is C

Explanation

A. Facilitating sodium and potassium exchange: This is not related to vitamin D. Sodium and potassium exchange is primarily managed by other mechanisms in the body.
B. DNA and prothrombin synthesis: This role is more associated with vitamins like B12 and K, not vitamin D.
C. Regulating calcium and phosphorus metabolism: This is the correct choice. Vitamin D plays a crucial role in the absorption of calcium and phosphorus from the diet and their metabolism in the body.
D. Production of beta carotene: Beta carotene is a precursor to vitamin A, not related to vitamin D's functions.

A. Client's serum pH is 7.41 B. Client has a stage 2 sacral wound C. Client requires continuous nasogastric suction D. Client has a history of adrenal insufficiency

Correct Answer is C

Explanation

A. Client's serum pH is 7.41: This is within the normal range for blood pH (7.35-7.45) and does not specifically indicate a potassium deficit.
B. Client has a stage 2 sacral wound: This is related to skin integrity and does not directly impact potassium levels.
C. Client requires continuous nasogastric suction: Continuous nasogastric suction can lead to the loss of potassium as it removes gastric contents, which may include electrolytes.
D. Client has a history of adrenal insufficiency: While adrenal insufficiency can affect electrolyte balance, continuous nasogastric suction is a more immediate risk for potassium deficit.

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An unresponsive client was brought to the emergency room and had an arterial blood gas drawn. Ten minutes later, the laboratory calls with the following results: PaO2 74%, pH 7.22, PaCO2 85 mm Hg, and HCO3 23 mEq/L. The nurse interprets the results as indicating which imbalance?

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Naxlex Comprehensive Predictor Exams

The nurse is providing teaching to the client about the use of vitamins and supplements. The nurse would state that vitamin D has a major role in which process?

Correct Answer is C

Explanation

The nurse is preparing to care for a client with an electrolyte imbalance. After reviewing the electronic health record, what finding should the nurse understand places that client at the greatest risk for developing a potassium deficit?

Correct Answer is C

Explanation

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