MP CHO-2018
Applied Microbiology & Infection control (E5)
Easy

Inanimate objects (Inanimate) that can transmit disease are called?

Appeared in: MP CHO-2018

Explanation

  • Fomites are non-living (inanimate) objects or materials that can become contaminated with infectious agents and serve as a vehicle for their transmission.
  • This is a form of indirect transmission, where the pathogen is transferred from a reservoir to a host via an intermediate object.
  • Common examples in healthcare include stethoscopes, bed linens, and doorknobs, which can harbor pathogens like bacteria, viruses, or fungi.
  • The term specifically refers to the object itself, distinguishing it from the pathogen's natural habitat (reservoir) or other transmission modes like droplets.

Why Other Options Were Wrong

  • Option A: A droplet is a particle of moisture expelled from the respiratory tract during coughing or sneezing. It is a mode of direct transmission, not a solid inanimate object.
  • Option B: Dust consists of fine, dry particles that can become airborne and carry infectious agents. While it is an inanimate vehicle, 'fomite' is the broader and more precise term for any contaminated object, not just dust.
  • Option D: A reservoir is the natural habitat where an infectious agent normally lives, grows, and multiplies. It is the source of the pathogen, not the inanimate object that transports it.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Knowing Modes of disease transmission and infection control terminology helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
  • Understanding the role of fomites is fundamental to infection control in nursing. Nurses must meticulously disinfect shared medical equipment (e.g., stethoscopes, thermometers) between patients to prevent cross-contamination.
  • Effective hand hygiene is the single most important practice to prevent transmission from fomites. Nurses must wash their hands after touching patient surroundings, even if there was no direct patient contact.
  • Patient education on fomite transmission is crucial, especially for preventing the spread of infections like MRSA or C. difficile in both hospital and home settings.
How to Approach the Question
  • This is a factual recall question that tests your knowledge of key terms in epidemiology and infection control.
  • First, break down the question to its core components: 'inanimate objects' and 'transmit disease'.
  • Next, evaluate each option based on this definition.
  • Eliminate 'Droplet' as it refers to respiratory moisture, not a solid object.
  • Consider 'Dust'. While it can transmit disease, it's a specific type of particle. 'Fomite' is a more general and accurate term for any contaminated object.
  • Differentiate between 'Fomite' and 'Reservoir'. A reservoir is the source where the pathogen lives and multiplies, whereas a fomite is just a passive transport vehicle.
Concept Tested & Keywords
  • Concept Tested: Modes of disease transmission and infection control terminology.
  • Stem keywords: Inanimate objects, transmit disease
  • Lead-in keywords: are called
  • Negative lead-in flag: false

Question ID

QcjQ6xhOJBTTDCJJR7E5PZ

Reference Book

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) pp. 91-93, 89-91

Practise the full MP CHO-2018

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