ATI Community Health Nursing Test Bank Related

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Women who develop vaginal fungal infections (commonly referred to as yeast infections) usually have a history of having been prescribed antibiotics for bacterial infections. Which component of the epidemiological triangle (agent–host–environment) contributes most to the development of vaginal infections?

  • A. Agent
  • B. Environment
  • C. Host
  • D. Agent and host
Correct Answer: C

Rationale: Rationale: The correct answer is C: Host. Antibiotics disrupt the normal vaginal flora, creating an environment conducive to yeast overgrowth. The host's susceptibility to infection due to altered microbiota is the primary factor in developing vaginal fungal infections. The agent (yeast) and the environment (vaginal environment) play secondary roles. Choice A is incorrect because the yeast is the agent causing the infection, but it is the host's response that determines infection development. Choice B is incorrect because the vaginal environment is affected by antibiotics, but it is the host's response that leads to infection. Choice D is incorrect because while both agent and host are involved, it is the host's susceptibility that is the key factor.