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Blood-Brain Barrier: Definition & Function

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

What is the blood-brain barrier?

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1. How are endothelial cells in the brain different from endothelial cells in the rest of the body?

2. What type of brain cell helps the endothelial cells form the blood-brain barrier?

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About this Quiz & Worksheet

Test your ability to understand the characteristics and make-up of the blood-brain barrier. Quiz questions assess your knowledge of what the blood-brain barrier is and what happens when this barrier breaks down.

Quiz & Worksheet Goals

In these assessments you'll be tested on the following:

  • Blood-brain barrier
  • Difference between endothelial cells in the brain and in the body
  • Brain cells that are wrapped around endothelial cells to strengthen the blood-brain barrier
  • What happens when the blood-brain barrier breaks down
  • Causes of the blood-brain barrier breaking down

Skills Practiced

This worksheet and quiz let you practice the following skills:

  • Reading comprehension- ensure that you draw the most important information from the related blood-brain barrier lesson
  • Distinguishing differences- compare and contrast topics from the lesson, such as endothelial brain cells and endothelial body cells
  • Knowledge application- use your knowledge to answer questions about the causes of the blood-brain barrier breaking down

Additional Learning

To review concepts related to the blood-brain barrier, read through the brief lesson on Blood-Brain Barrier: Definition & Function. This lesson will help you:

  • Identify what the blood-brain barrier is
  • Understand the structure of the barrier such as endothelial cells and astrocytes surrounding the endothelial cells
  • Distinguish differences between endothelial cells in the brain and endothelial cells in the body
  • Recall what happens when the blood-brain barrier breaks down
  • Review the causes of the blood-brain barrier breaking down
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