Which of the Following Best Defines an Endemic Disease

question 84

Multiple Choice

Which of the following best defines an endemic disease?

• A) It is a disease that has a much higher incidence than usual.
• B) It is a disease that used to be common but is eradicated through vaccination programs.
• C) It is a disease that is transmitted by an arthropod vector.
• D) It is a disease that occurs naturally in animals but may spread to people.
• E) It is a disease that is always present at some level in a population.

---

Definitions:

Long Run

A period in economics where all factors of production and costs are variable, and firms can adjust all inputs according to market demands.

Arc Elasticity

A method for calculating elasticity between two points on a demand curve using the midpoint formula.

Wheat Demand

The total quantity of wheat that consumers are willing and able to purchase at a given price level.

Price Elasticity of Demand

A measure of the responsiveness of the quantity demanded of a good to a change in its price.