The Chain of Infection Explained Through Real-World Scenarios

The video explains the chain of infection, detailing the six links: causative agent, reservoir, means of exit, mode of transmission, portal of entry, and person at risk. It emphasizes the importance of breaking these links to prevent infection spread. Standard precautions like hand hygiene and PPE use are highlighted as essential measures to reduce infection risk.

What is the first link in the chain of infection?

• Portal of entry

• Reservoir

• Causative agent

• Mode of transmission

Where do pathogens live and multiply?

• On surfaces

• In the bloodstream

• In the air

• In the reservoir

How can pathogens leave the respiratory tract?

• Through the skin

• Via the bloodstream

• Through saliva or mucus

• Through the digestive system

What is the most common route of transmission in the workplace?

• Vector-borne

• Waterborne

• Direct contact

• Airborne

Which of the following is a mode of transmission for influenza?

• Vector-borne

• Airborne

• Direct contact

• Ingestion

How can pathogens enter the body?

• Through intact skin

• Via the hair

• Through the bloodstream

• By being ingested

What factors affect a person's risk of infection?

• Age and gender

• Diet and exercise

• Occupation and hobbies

• General health and immune system strength

What is a key strategy in preventing infection?

• Breaking the chain of infection

• Increasing pathogen exposure

• Avoiding all contact with others

• Using antibiotics regularly

Which of the following is a standard precaution to reduce infection risk?

• Good hand hygiene

• Regular exercise

• Getting enough sleep

• Eating a balanced diet

Why is it important to work in ways that prevent infection at all times?

• Because everyone shows symptoms of infection

• Because it is the easiest way to stay healthy

• Because it is required by law

• Because not everyone who carries harmful microorganisms will be ill