Podcast
Questions and Answers
Which factor affects the efficiency of a disinfectant related to the type and level of microbial contamination?
Which factor affects the efficiency of a disinfectant related to the type and level of microbial contamination?
- pH
- Bioburden (correct)
- Concentration
- Temperature
What was used by Joseph Lister in 1867 to reduce the incidence of infections after surgical procedures?
What was used by Joseph Lister in 1867 to reduce the incidence of infections after surgical procedures?
- Ethanol
- Hydrogen peroxide
- Iodine
- Phenol (correct)
Which type of agents inhibit the growth of pathogens either temporarily or permanently?
Which type of agents inhibit the growth of pathogens either temporarily or permanently?
- Viricidal agents
- Fungicidal agents
- Microbistatic agents (correct)
- Bactericidal agents
How can obligate anaerobes be killed?
How can obligate anaerobes be killed?
Which factor affects the efficiency of a disinfectant based on the time the disinfectant must remain in contact with organisms to kill them?
Which factor affects the efficiency of a disinfectant based on the time the disinfectant must remain in contact with organisms to kill them?
What does chemical disinfection refer to?
What does chemical disinfection refer to?
What is the physical nature of the object being disinfected an important factor for?
What is the physical nature of the object being disinfected an important factor for?
'Obligate anaerobes can be killed by exposing them to what?' This statement is an example of:
'Obligate anaerobes can be killed by exposing them to what?' This statement is an example of:
'The effectiveness of phenol as a disinfectant was demonstrated by Joseph Lister in 1867.' This statement best relates to:
'The effectiveness of phenol as a disinfectant was demonstrated by Joseph Lister in 1867.' This statement best relates to:
'The organic load that is present; that is, the presence of organic matter (e.g., feces, blood, vomitus, and pus) on the materials being treated' - What is this factor called?
'The organic load that is present; that is, the presence of organic matter (e.g., feces, blood, vomitus, and pus) on the materials being treated' - What is this factor called?
