Chain of Infection Quiz

Which of the following is a mode of transmission for infectious diseases?

• A. Sneezing

• B. Drinking water

• C. Physical exercise

• D. Sleeping

What are infectious agents?

• A. Substances that cause diseases

• B. People who spread diseases

• C. Places where diseases are found

• D. Conditions that make people more susceptible to diseases

What is a susceptible host?

• A. A person who is immune to all diseases

• B. A person who is resistant to diseases

• C. A person who is easily infected by diseases

• D. A person who spreads diseases to others

Which of the following is a portal of entry for infectious agents?

• A. Skin

• B. Lungs

• C. Stomach

• D. Eyes

What is a portal of exit?

• A. A place where diseases are transmitted

• B. A person who spreads diseases

• C. A way for infectious agents to leave the body

• D. A person who is immune to all diseases

Which of the following is NOT a mode of transmission for infectious diseases?

• A. Direct contact

• B. Indirect contact

• C. Airborne

• D. Eating contaminated food

What are infectious agents also known as?

• A. Pathogens

• B. Hosts

• C. Environments

• D. Vectors

What is a susceptible host also known as?

• A. Carrier

• B. Reservoir

• C. Vector

• D. Infectious agent

Which of the following is a portal of entry for infectious agents?

• A. Ears

• B. Mouth

• C. Feet

• D. Hair

What is a portal of exit also known as?

• A. Carrier

• B. Reservoir

• C. Vector

• D. Source