MP CHO-2018
Applied Microbiology & Infection control
Easy

What is an infection that occurs in a hospital or healthcare agency during treatment called?

Appeared in: MP CHO-2018

Explanation

  • A nosocomial infection is the specific term for an infection that originates in a patient while they are in a hospital or another healthcare facility.
  • For an infection to be classified as nosocomial, it must not have been present or in the incubation period at the time of the patient's admission.
  • It is also commonly referred to as a Hospital-Acquired Infection (HAI).
  • These infections typically manifest 48 hours or more after admission and are a significant concern in healthcare due to their impact on patient safety and outcomes.

Why Other Options Were Wrong

  • Option A: An opportunistic infection is defined by the patient's compromised immune system, not the location where the infection was acquired. These infections are caused by pathogens that are typically harmless to healthy individuals.
  • Option C: An iatrogenic infection is specifically one that results from a medical treatment or diagnostic procedure. While many iatrogenic infections are also nosocomial, the term 'nosocomial' is broader and better fits the question's focus on the healthcare setting itself.
  • Option D: Indirect infection describes a mode of transmission where the infectious agent is passed to a host via a contaminated intermediate object (fomite) or vector. It does not describe where the infection was acquired.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Knowing Definition of Nosocomial (Hospital-Acquired) Infections helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
  • Preventing nosocomial infections is a primary responsibility of nurses. Strict adherence to infection control protocols, especially hand hygiene, directly impacts patient safety and reduces morbidity and mortality.
  • HAIs lead to longer hospital stays, increased healthcare costs, and significant patient suffering. Nurses are on the front line of identifying at-risk patients and implementing preventive measures.
  • What if? - If a patient develops an infection 24 hours after admission, it is generally considered a 'community-acquired infection' rather than nosocomial, as the incubation period likely began before they entered the hospital.
How to Approach the Question
  • First, identify the core concept of the question, which is the classification of an infection based on where it was acquired.
  • Analyze the key phrase: 'occurs in a hospital or healthcare agency'. This points to a location-based definition.
  • Evaluate each option's definition: 'Opportunistic' relates to host immunity, 'Iatrogenic' to a procedure, and 'Indirect' to a transmission method.
  • Recognize that 'Nosocomial' is the specific medical term derived from Greek words meaning 'hospital' ('nosokomeion').
  • Therefore, 'Nosocomial infection' is the only term that defines an infection based on its acquisition in a healthcare setting.
Concept Tested & Keywords
  • Concept Tested: Definition of Nosocomial (Hospital-Acquired) Infections
  • Stem keywords: infection, hospital, healthcare agency, during treatment
  • Lead-in keywords: what is
  • Negative lead-in flag: false

Question ID

Q8CTJpnqrvH0gTLhvJNgYn

Reference Book

E6 Nursing Fundamentals Taylor p. 167-169

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) p. 87-89

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) p. 25-27

Practise the full MP CHO-2018

Attempt every question from this paper in a timed mock, then review the full solution for each one.