NCLEX Respiratory Questions Related

Review NCLEX Respiratory Questions related questions and content

Which laboratory tests should the client receive before prophylactic drug therapy for tuberculosis is started?

  • A. Serum creatinine and blood urea nitrogen (BUN)
  • B. Aspartate aminotransferase (AST; SGOT) and alanine aminotransferase (ALT; SGPT)
  • C. Complete blood count (CBC) and hematocrit
  • D. White blood cell (WBC) count and urinalysis
Correct Answer: B

Rationale: Liver function tests (AST and ALT) are essential before starting tuberculosis prophylaxis, as drugs like isoniazid can cause hepatotoxicity.