A Child Has a Bicycle Accident and Is Rushed to the ER

question 21

Multiple Choice

A child has a bicycle accident and is rushed to the ER. The doctors stop the bleeding, but the child needs a transfusion. Fortunately, the patient is AB-positive, so the doctors can give him ________.

• A) AB negative or positive only
• B) any blood type
• C) O positive only
• D) O negative only

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Definitions:

Coagulates

The process by which a fluid, especially blood, changes to a solid or semi-solid state, often to stop bleeding.

Vessel Wall

The structural boundary of blood vessels consisting of layers including the endothelium, smooth muscle, and connective tissue.

Thrombus

A blood clot that forms on the inside of an injured blood vessel wall.

Bacteria

Microscopic, single-celled organisms that exist in vast numbers in every environment on Earth, both harmful and beneficial.