Online Proctored Exam ,NR-565 Advanced
Pharmacology Fundamentals | 100% Pass
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Answers.
A 68-year-old man with COPD reports progressive shortness of breath. Which acid–
base disturbance is most likely during an acute exacerbation?
A. Metabolic acidosis
B. Respiratory acidosis
C. Metabolic alkalosis
D. Respiratory alkalosis
Answer: B. Respiratory acidosis
Rationale: In acute COPD exacerbations hypoventilation causes CO₂ retention leading to
respiratory acidosis. Chronic compensation may be present but acute worsens PaCO₂.
, Which lab value best indicates acute myocardial injury?
A. Elevated BNP
B. Elevated troponin I or T
C. Elevated CRP
D. Elevated AST
Answer: B. Elevated troponin I or T
Rationale: Troponins are highly specific and sensitive markers for myocardial necrosis;
BNP is for heart failure, CRP for inflammation, AST is nonspecific.
, 3. A patient on ACE inhibitor develops a dry cough. The mechanism is most likely
due to accumulation of:
A. Bradykinin
B. Angiotensin II
C. Aldosterone
D. Renin
Answer: A. Bradykinin