Allergic Reactions Are​

question 52

Multiple Choice

Allergic reactions are​

• A) ​a result of digestive system dysfunction.
• B) ​an abnormal immune system reaction to a foreign substance.
• C) ​caused by viruses.
• D) ​more common in people whose immune systems are not fully functional at birth.

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Definitions:

MR

Stands for Marginal Revenue, which is the additional income received from selling one more unit of a product or service.

Short Run

A time period in economics during which at least one input is fixed, limiting the ability of the economy or firm to adjust to changes in demand or supply.

AVC

Average Variable Cost, the total variable costs (labor, materials, etc.) divided by the quantity of output produced, illustrating how variable costs change with the level of output.

Shutdown Point

The point where a firm's revenue is not enough to cover its variable costs, leading to a decision to cease production temporarily.