Infectious Diseases

What is the job of the immune system?

• To protect your body from drugs and medicine
• To protect your body from air and water
• To protect your body from pathogens
• To protect your body from itself

What sort of pathogen causes influenza (flu)?

• A bacterium
• A virus
• A fungus
• A protist

Strep throat is caused by

• A bacterium.

• A virus.

• A fungi.

• A protist.

Vaccines work by...

• killing pathogens that are already infecting a host
• helping antibodies build immunity against a specific pathogen
• causing the body to expel pathogens faster than normal
• preventing a specific pathogen from entering the body

Which pathogen is treated with antibiotics?

• virus

• bacteria

• parasite

• fungi

Which of the following is not a typical way for a person to catch a disease?

• From pathogens in boiled water.

• From pathogens in the air.

• From pathogens in poorly cooked food.

• From physical contact with an infected person.

Imagine you were investigating the cause of a mysterious disease. Which of the following would not be important to determine?

• The food that the diseased people recently ate.

• Who the diseased people were in contact with recently.

• Where the diseased people had recently been.

• How wealthy the diseased people were.

Where would a disease transmitted by person-to-person contact be most likely to spread quickly?

• In a remote region, where contact between people is rare.

• In a rural farming community, where neighbors live miles apart.

• In a crowded city.

• In a medical lab, where people wear protective gear (face masks, gloves, etc.) and equipment is regularly sterilized.

What type of disease transmission is most likely represented by the graph shown below?

• Person to person.

• Foodborne.

• Airborne.

• Foodborne and airborne.

Which of the following patterns is most likely to indicate a foodborne illness?

• All of the victims worked in the same office.

• All of the victims were friends.

• All of the victims shopped at the same supermarket.

• All of the victims had the same symptoms.