Infection control Questions and Correct Answers/ Latest Update / Already Graded

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Infection Control Questions and Correct
Answers/ Latest Update / Already
Graded
Components of the Infection Cycle


Ans: Infectious agent: bacteria, viruses, fungi


Reservoir: natural habitat of the organism


Portal of exit: point of escape for the organism


Means of transmission: direct contact, indirect contact, airborne route


Portal of entry: point at which organisms enter a new host


Susceptible host: must overcome resistance mounted by host's defenses




Which of the following is the most significant and commonly found

infection-causing agent in health care institutions?


A. Bacteria


B. Fungi


C. Viruses

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D. Mold


Ans: A. Bacteria




Infectious agents


Ans: Bacteria: most significant and most prevalent in hospital settings


Virus: smallest of all microorganisms


Fungi: plant-like organisms present in air, soil, and water




Classification of Bacteria


Ans: Spherical (cocci), rod shaped (bacilli), corkscrew shaped

(spirochetes)


Gram positive or gram negative—based on reaction to Gram stain


Aerobic or anaerobic—based on need for oxygen




Factors Affecting an Organism's

Potential to Produce Disease

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Ans: Number of organisms


Virulence


Competence of person's immune system


Length and intimacy of contact between person and microorganism




Possible Reservoirs for Microorganisms


Ans: Other people


Animals


Soil


Food, water, milk


Inanimate objects




Which infection or disease may be spread by touching a

contaminated inanimate article?


A. Rabies


B. Giardia