INFECTION CONTROL FULL QUESTIONS
AND CORRECT ANSWERS PROFESSIONAL
PREPARATION MATERIAL
●● Which of the following is the most significant and commonly found
infection-causing agent in health care institutions?
A. Bacteria
B. Fungi
C. Viruses
D. Mold
Answer: A. Bacteria
●● Infectious agents
Answer: 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
Answer: 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
Answer: Number of organisms
Virulence
Competence of person's immune system
Length and intimacy of contact between person and microorganism
●● Possible Reservoirs for Microorganisms
Answer: 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
C. E. coli
D. Influenza
Answer: D. Influenza
, ●● Stages of Infection
Answer: Incubation period: organisms growing and multiplying
Prodromal stage: person is most infectious, vague and nonspecific signs
of disease
Full stage of illness: presence of specific signs and symptoms of disease
Convalescent period: recovery from the infection
●● Common portals of exit
Answer: Respiratory
Gastrointestinal
Genitourinary tracts
Breaks in skin
Blood and tissue
●● Factors Affecting Host Susceptibility
Answer: Intact skin and mucous membranes
Normal pH levels
Body's white blood cells
Age, sex, race, hereditary factors
Immunization, natural or acquired
Fatigue, climate, nutritional and general health status
AND CORRECT ANSWERS PROFESSIONAL
PREPARATION MATERIAL
●● Which of the following is the most significant and commonly found
infection-causing agent in health care institutions?
A. Bacteria
B. Fungi
C. Viruses
D. Mold
Answer: A. Bacteria
●● Infectious agents
Answer: 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
Answer: 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
Answer: Number of organisms
Virulence
Competence of person's immune system
Length and intimacy of contact between person and microorganism
●● Possible Reservoirs for Microorganisms
Answer: 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
C. E. coli
D. Influenza
Answer: D. Influenza
, ●● Stages of Infection
Answer: Incubation period: organisms growing and multiplying
Prodromal stage: person is most infectious, vague and nonspecific signs
of disease
Full stage of illness: presence of specific signs and symptoms of disease
Convalescent period: recovery from the infection
●● Common portals of exit
Answer: Respiratory
Gastrointestinal
Genitourinary tracts
Breaks in skin
Blood and tissue
●● Factors Affecting Host Susceptibility
Answer: Intact skin and mucous membranes
Normal pH levels
Body's white blood cells
Age, sex, race, hereditary factors
Immunization, natural or acquired
Fatigue, climate, nutritional and general health status
