Infectious and Non-infectious Diseases: Practice Questions

If you smell a strong gas leak in the kitchen, what is the safest action to take immediately?

Unlike infectious diseases, non-infectious diseases are not spread by germs from person to person. Which of the following lifestyle choices is a major risk factor for developing non-infectious diseases like lung cancer and heart disease?

To prevent the spread of cholera, which of the following community measures is the most critical to implement?

When a person catches a skin infection by touching a contaminated towel used by someone else, which transmission route is this?

Which human system is most directly and negatively impacted by alcohol abuse, leading to symptoms such as poor coordination and slower reaction times?

When someone with the flu sneezes or coughs, how do these actions primarily spread the flu virus to other people?

Scientists often use a colored water spray to test the effectiveness of surgical masks. Which specific mode of infectious disease transmission are they simulating with this test?

If a community experiences a sudden increase in cases of both cholera and heart disease, explain why the concept of "breaking the chain of transmission" applies only to cholera. Additionally, suggest one specific prevention method for each disease based on their primary causes.

Diseases are generally categorized into infectious diseases and non-infectious diseases. Answer the following questions about their differences:
a) Which of these is an infectious disease: The Flu or Heart Disease? (1 point)
b) Is Cancer considered an infectious disease or a non-infectious disease? (1 point)
c) Name one common symptom for someone suffering from the flu. (1 point)
d) Suggest one healthy lifestyle habit that can help reduce the risk of non-infectious diseases. (1 point)

Cancer and Heart Disease are common non-infectious diseases in modern society, while Influenza is a well-known infectious disease.

a) Explain one major difference between how a person "catches" or develops an infectious disease versus a non-infectious disease. (2 points)

b) Identify two healthy daily habits or lifestyle choices that can specifically help reduce the risk of developing non-infectious diseases like heart disease. (2 points)

c) Vaccines are a major scientific advancement. Briefly explain how widespread vaccination helps maintain biosafety (生物安全) and protects a community during an infectious disease outbreak. (2 points)