Chain of Infectiion

Area where the causative agent can live 

• mode of transmission
• portal of exit
• reservoir
• portal of entry

Way that causative agent transmits to another host

• portal of entry
• portal of exit
• reservoir
• mode of transmission

Pathogen that causes disease

• portal of exit
• susceptible host
• causative agent
• portal of entry

infection acquired while in a hospital setting

• direct contact
• opportunistic infection
• indirect contact
• nosocomial infection

way for causative agent to escape the reservoir

• portal of entry
• portal of exit
• reservoir
• causative agent

person who gets a disease because of weak defenses

• causative agent
• susceptible host
• reservoir
• portal of entry

way for the causative agent to enter a new reservoir

• portal of entry
• portal of exit
• direct
• indirect

How many links are in the Chain of Infection?

• 10
• 5
• 12
• 6

All are ways to break the Chain of Infection except?

• Handwashing
• Sterilization
• Disinfection
• Reusing gloves

What is the single most effective way to break the Chain of Infection?

• Handwashing
• Sterilization
• Cleaning surfaces
• Nutrition