What is a nosocomial infection?
an infection acquired in a hospital
What is the definition of asepsis?
practice that reduces the spread of microorganisms
What is the most common type of disease causing microorganisms?
bacteria
What is the smallest disease causing agent?
Viruses
What is a microorganism that lives on other LIVING organisms?
Parasites
What is a pathogen?
A microorganism that causes disease
No signs or symptoms of a disease is called?
Asymptomatic
What does virulence mean?
ability to cause disease
What is the definition of acute infection?
An infection that occurs suddenly, and only lasts a short time
What is a chronic infection?
An infection that progressed over a long period of time
What is an iatrogenic infection?
, An infection resulting from a treatment of diagnostic procedure.
What is considered an exogenous source?
An infection that comes from the healthcare system environment
What is a CAUTI?
catheter associated urinary tract infection
What are two ways an organism can get to a host during transmission?
Through direct and indirect contact
What happens during the chain of infection?
1. etiologic agent occurs (bacteria or virus)
2. reservoir (source)
3. portal of exit
4. method of transmission
5. portal of entry to the susceptible host
6. susceptible host becomes infected
What factors affect immunity?
1. age
2. CNS function
3. emotional status
4. medications
5. stress, illness, trauma, or surgery
What is the first line defense against bacteria and viruses?
Intact skin, and mucous membranes
What is considered second line defense?
1. phagocytes
2. chemicals
3. inflammation
an infection acquired in a hospital
What is the definition of asepsis?
practice that reduces the spread of microorganisms
What is the most common type of disease causing microorganisms?
bacteria
What is the smallest disease causing agent?
Viruses
What is a microorganism that lives on other LIVING organisms?
Parasites
What is a pathogen?
A microorganism that causes disease
No signs or symptoms of a disease is called?
Asymptomatic
What does virulence mean?
ability to cause disease
What is the definition of acute infection?
An infection that occurs suddenly, and only lasts a short time
What is a chronic infection?
An infection that progressed over a long period of time
What is an iatrogenic infection?
, An infection resulting from a treatment of diagnostic procedure.
What is considered an exogenous source?
An infection that comes from the healthcare system environment
What is a CAUTI?
catheter associated urinary tract infection
What are two ways an organism can get to a host during transmission?
Through direct and indirect contact
What happens during the chain of infection?
1. etiologic agent occurs (bacteria or virus)
2. reservoir (source)
3. portal of exit
4. method of transmission
5. portal of entry to the susceptible host
6. susceptible host becomes infected
What factors affect immunity?
1. age
2. CNS function
3. emotional status
4. medications
5. stress, illness, trauma, or surgery
What is the first line defense against bacteria and viruses?
Intact skin, and mucous membranes
What is considered second line defense?
1. phagocytes
2. chemicals
3. inflammation
