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The nurse is caring for a diabetic patient in renal failure who is in metabolic acidosis. Which laboratory findings are consistent with metabolic acidosis?

A.

pH 7.35, PaCO2 40 mm Hg, HCO3-25 mEq/L

B.

pH 7.32, PaCO2 47 mm Hg. HCO3-23 mEq/L

C.

pH 7.3, PaCO2 36 mm Hg. HCO3- 19 mEq/L

D.

pH 7.5, PaCO2 35 mm Hg, HCO3- 35 mEq/L

Answer and Explanation

The Correct Answer is C

A.    pH 7.35, PaCO2 40 mm Hg, HCO3-25 mEq/L: This is within normal ranges and does not indicate acidosis.
B.    pH 7.32, PaCO2 47 mm Hg. HCO3-23 mEq/L: This indicates respiratory acidosis, not metabolic.
C.    pH 7.3, PaCO2 36 mm Hg. HCO3- 19 mEq/L: This indicates metabolic acidosis. The pH is low (acidic), and the HCO3- (bicarbonate) is decreased. The PaCO2 is within normal limits, indicating the respiratory system is compensating for the metabolic acidosis.
D.    pH 7.5, PaCO2 35 mm Hg, HCO3- 35 mEq/L: This indicates alkalosis, not acidosis.
 


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Related Questions

Correct Answer is C

Explanation

A. This is a good method to gather feedback but does not directly assess the client's ability to perform the taught skills.
B. This is important to identify knowledge gaps but does not assess the client's ability to perform the skills.
C. This is the most direct way to assess the client's ability to perform the taught skill and ensures that the client has retained the information.
D. While important, vital signs do not directly assess the effectiveness of home care teaching.

Correct Answer is ["100"]

Explanation

To calculate the rate at which the IV pump should be set to deliver the medication, you would use the formula:

(Total Volume in mL / Time in hours) = mL/hr.

The total volume of the IV bag is 50 mL and the time frame is 0.5 hours (since 30 minutes is half an hour). So, the calculation would be 50 mL / 0.5 hours = 100 mL/hr.

Therefore, the nurse should set the IV pump to deliver 100 mL/hr to administer 500 mg of ampicillin over 30 minutes.

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