Intro to Epidemiology: Crash Course Public Health #6

What happens during an epidemic?

• A disease that affects only a few people.

• A disease that spreads slowly over many years.

• More people in a group than usual get a certain illness.

• A disease that only affects animals.

What is the main focus of epidemiology?

• How to build hospitals.

• The patterns of sickness and health in groups of people.

• How to make new medicines.

• The history of doctors.

What are the two main types of studies used in epidemiology?

• Reading studies and writing studies.

• Experimental studies and observational studies.

• Microscope studies and data studies.

• Animal studies and plant studies.

What is an important job of an epidemiologist when dealing with a health emergency?

• To create new medicines for diseases.

• To quickly understand and respond to the problem.

• To tell people what to eat and drink.

• To build new hospitals.

What does it mean if two things have a "correlation" but not "causation"?

• One thing definitely causes the other.

• The two things are completely unrelated.

• They happen at the same time, but one doesn't necessarily cause the other.

• They are both caused by a third, unknown factor.

In the Rothman Causal Pie model, what are "component causes"?

• The main ingredients in a dessert pie.

• Different risk factors that work together to cause a health effect.

• The only single cause of a disease.

• The symptoms of a disease.

For Tuberculosis (TB) to happen, what is always needed?

• Poor ventilation.

• Overcrowded homes.

• Exposure to the Mycobacterium tuberculosis bacteria.

• A weakened immune system.