What is the first link in the chain of infection?

The Chain of Infection Explained Through Real-World Scenarios

Interactive Video
•
Biology, Science, Health
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Portal of entry
Reservoir
Causative agent
Mode of transmission
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where do pathogens live and multiply?
On surfaces
In the bloodstream
In the air
In the reservoir
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can pathogens leave the respiratory tract?
Through the skin
Via the bloodstream
Through saliva or mucus
Through the digestive system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the most common route of transmission in the workplace?
Vector-borne
Waterborne
Direct contact
Airborne
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a mode of transmission for influenza?
Vector-borne
Airborne
Direct contact
Ingestion
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can pathogens enter the body?
Through intact skin
Via the hair
Through the bloodstream
By being ingested
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What factors affect a person's risk of infection?
Age and gender
Diet and exercise
Occupation and hobbies
General health and immune system strength
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