Difficulty: Medium
Average Score: 65%
Simulated
A nurse is reviewing the laboratory results of a child who was recently admitted for suspected rheumatic fever. The nurse should identify that which of the following laboratory tests can contribute to confirming this diagnosis? Select all that apply.
Correct answer
B,C,D
Rationale
The correct answer is B, C, and D.
B: C-reactive protein (CRP) is elevated in inflammatory conditions like rheumatic fever, indicating active inflammation.
C: Erythrocyte sedimentation rate (ESR) is also elevated in inflammatory conditions, supporting the diagnosis of rheumatic fever.
D: Antistreptolysin O (ASO) titer is used to detect a recent streptococcal infection, which can trigger rheumatic fever.
Incorrect choices:
A: Partial thromboplastin time (PTT) is not specific to rheumatic fever.
E: Blood urea nitrogen (BUN) is not relevant for diagnosing rheumatic fever.
B: C-reactive protein (CRP) is elevated in inflammatory conditions like rheumatic fever, indicating active inflammation.
C: Erythrocyte sedimentation rate (ESR) is also elevated in inflammatory conditions, supporting the diagnosis of rheumatic fever.
D: Antistreptolysin O (ASO) titer is used to detect a recent streptococcal infection, which can trigger rheumatic fever.
Incorrect choices:
A: Partial thromboplastin time (PTT) is not specific to rheumatic fever.
E: Blood urea nitrogen (BUN) is not relevant for diagnosing rheumatic fever.