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Questions and Answers
Which of the following is NOT a factor affecting the potential of an organism to produce disease?
Which of the following is NOT a stage of infection?
Which of the following is NOT a mode of transmission for pathogens?
Which of the following is NOT a reservoir for pathogens?
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Which of the following is NOT a portal of entry for pathogens?
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Which of the following is NOT a healthcare acquired infection (HAI)?
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Which of the following is the #1 prevention for healthcare acquired infections (HAI)?
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Which of the following is NOT a stage in the chain of infection?
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Which of the following is the smallest pathogen?
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Which of the following is NOT a mode of transmission for pathogens?
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Study Notes
Factors Affecting Disease Potential
- Virulence, infectivity, and pathogenicity are factors that affect an organism's potential to produce disease.
- Host factors, such as age, immune status, and underlying health conditions, also impact an organism's potential to produce disease.
Stages of Infection
- The stages of infection are: exposure, infection, colonization, disease, and transmission.
Modes of Transmission
- Modes of transmission for pathogens include: direct contact, indirect contact, airborne, and vector-borne transmission.
- Vertical transmission, from mother to child, is also a mode of transmission.
Reservoirs for Pathogens
- Reservoirs for pathogens include: humans, animals, environment, and fomites.
Portals of Entry for Pathogens
- Portals of entry for pathogens include: skin, mucous membranes, respiratory tract, gastrointestinal tract, and genitourinary tract.
Healthcare Acquired Infections (HAI)
- Healthcare acquired infections (HAI) are infections that patients acquire during the course of receiving healthcare.
- Examples of HAI include: surgical site infections, urinary tract infections, and pneumonia.
Prevention of Healthcare Acquired Infections (HAI)
- Hand hygiene is the #1 prevention for healthcare acquired infections (HAI).
Chain of Infection
- The chain of infection consists of: infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host.
Types of Pathogens
- Prions are the smallest pathogens, consisting of abnormally folded proteins.
- Other types of pathogens include: bacteria, viruses, fungi, and parasites.
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Description
Test your knowledge of infectious diseases with this quiz on factors affecting disease potential, stages of infection, modes of transmission, reservoirs for pathogens, portals of entry, and healthcare acquired infections (HAIs). Find out which factors, stages, modes, reservoirs, and portals are not associated with disease transmission.
