Which of the Following Refers to a Foreign-Body Substance That

question 23

Multiple Choice

Which of the following refers to a foreign-body substance that triggers an immune response?

• A) an antibody
• B) an antigen
• C) a lymphocyte
• D) a macrophage

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Definitions:

Vertical Spread

A strategy in options trading that involves purchasing and selling of two options of the same type and expiration date but different strike prices.

Data Points

Individual values or measurements that are collected through observation and are represented in a data set.

Regression Analysis

A statistical method used for estimating the relationships among variables.

Independent Variable

In an experiment or study, the variable that is manipulated or controlled to test its effect on the dependent variable.