HESI RN Patho Pharmacology | Nurselytic

Questions 54

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HESI RN Patho Pharmacology Questions

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Question 1 of 5

Two days after admission for an exacerbation of chronic obstructive pulmonary disease (COPD), an older client’s arterial blood gas (ABG) indicate an acid base imbalance. The client’s laboratory results reveal a low hemoglobin level, an elevated creatinine clearance, and decreased urine specific gravity. Which is the most likely cause for the acid base imbalance?

Correct Answer: C

Rationale: Chronic renal insufficiency (
C) causes metabolic acidosis due to impaired acid excretion and bicarbonate regulation, consistent with low hemoglobin (anemia), elevated creatinine clearance (renal dysfunction), and low urine specific gravity (poor concentration). Prior MI (
A) is unrelated. Antacids (
B) don’t cause acidosis. Exertional dyspnea (
D) may cause respiratory acidosis, not metabolic.

Question 2 of 5

Correct Answer:

Rationale:

Question 3 of 5

Correct Answer:

Rationale:

Question 4 of 5

Correct Answer:

Rationale:

Question 5 of 5

Correct Answer:

Rationale:

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