What Are Antibodies? - Definition, Function & Types


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question 1 of 3

Antibodies are _____ that are _____ by the immune system.

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1. The most common antibody in the human body is _____.

2. Antigens are _____.

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About This Quiz & Worksheet

Use this quiz/worksheet combo to help you test your understanding of characteristics of antibodies. Topics you'll be assessed on include defining antibodies and antigens as well as identifying the number of major types of antibodies and their location throughout the body.

Quiz & Worksheet Goals

In these assessments you'll be tested on:

  • Description of antibodies
  • Comparing antibodies to a common everyday object
  • Antigens defined
  • Reason(s) antibodies remain in the body
  • Identifying the number of major types of antibodies and their location throughout the body

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on characteristics of antibodies
  • Defining key concepts - ensure that you can accurately define main terms, such as antigen and antibody
  • Information recall - access the knowledge you've gained regarding the reason(s) antibodies remain in the body
  • Knowledge application - use your knowledge to answer questions about the number of major types of antibodies and their location throughout the body

Additional Learning

You can learn more about infectious agents by reviewing the accompanying lesson on Characteristics of Antibodies. This lesson covers the following objectives:

  • Define 'antibodies' and identify another name for antibodies
  • Differentiate antibodies from antigens
  • Describe how the immune system works to attack invaders
  • Know the five major types of antibodies and their functions