Examine Figure 5-22

question 29

Multiple Choice

Examine figure 5-22. In the text The reason you can take your pulse in your carotid artery on one side of your neck and not cause ischemic injury is because

• A) the other carotid artery increases in size (dilates) to compensate
• B) the brain can go up to 20 minutes without an active blood supply
• C) the circle of Willis and communicating arteries allow circulation in the brain to continue
• D) all of the above

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