Chain of Infection Quiz

What are fomites in the context of infection?

• Objects contaminated with infectious material that contains the pathogens

• Medicines used to kill bacteria

• Symptoms of an infectious disease

• Types of viruses

Which of the following is described as a way that the infectious agent can be transmitted to another reservoir or host where it can live?

• Mode of transmission

• Portal of entry

• Susceptible host

• Immune response

Who is considered a susceptible host in the chain of infection?

• A person likely to get an infection or disease

• A person who is immune to all diseases

• A person who transmits the infectious agent

• A person who treats infections

Which aseptic-control method destroys pathogens but is not always effective against spores and viruses?

• Disinfection

• Sterilization

• Pasteurization

• Filtration

What are opportunistic infections?

• Infections that occur when the body's defenses are weak; unusual in individuals with intact immune systems

• Infections that occur only in healthy individuals

• Infections that are always present in the body

• Infections that are caused by vaccines