Adult Health Nursing Test Bank Related

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A patient presents with severe sore throat, fever, and enlarged tonsils with exudate. Rapid antigen testing confirms group A beta-hemolytic Streptococcus (GAS) infection. Which of the following medications is the first-line treatment for this condition?

  • A. Amoxicillin
  • B. Azithromycin
  • C. Cephalexin
  • D. Clindamycin
Correct Answer: A

Rationale: The correct answer is A: Amoxicillin. Amoxicillin is the first-line treatment for GAS pharyngitis due to its effectiveness against Streptococcus bacteria. It is a penicillin-class antibiotic recommended by guidelines. Azithromycin is an alternative for patients allergic to penicillin. Cephalexin is not the first-line choice for GAS. Clindamycin is reserved for patients allergic to both penicillin and macrolides.