What Can Cause a False-Positive IgM Serologic Test

question 21

Multiple Choice

What can cause a false-positive IgM serologic test?

• A) The presence of IgG antibodies
• B) The presence of rheumatoid factors
• C) The presence of Rh factor
• D) The presence of cytomegalovirus (CMV) antibodies

---

Definitions:

Demand Curve

A demand curve is a graphical representation that shows the relationship between the price of a good or service and the quantity of it that consumers are willing to purchase at various prices.

Substitute Good

Refers to a product or service that a consumer sees as the same or similar to another product, thus they can be used interchangeably.

Substitute Goods

Products or services that can be used in place of each other, where the consumption of one increases the likelihood of the other being consumed less.

Demand Curve

A graph showing the relationship between the quantity of a goods or services demanded and its price, usually downward sloping.