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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
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
,2 | Page
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
, 3 | Page
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
