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25 Cards in this Set
- Front
- Back
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The average size adult has how many quarts of blood |
5-6 |
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How much blood can an average sized adult donate |
A half quart |
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How much blood loss can lead to shock and death |
1 quart |
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If a child loses ___ quarts they are in extreme danger |
Half quart |
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Hemorrhage is |
A large amount of bleeding in a short time |
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External bleeding can be classified into three types.. |
Arterial bleeding, venous bleeding, and capillary bleeding. |
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In arterial bleeding |
Blood spurts up to several feet from the wound. This type of bleeding does not clot well because the high flow of blood reduces the ability of a clot to adhere to the damaged vessel |
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The most serious type of bleeding is |
Arterial bleeding be a use a large amount of blood loss can occur in a very short time. |
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Venous bleeding is when |
Blood from a vein flows steadily or gushes |
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Capillary bleeding is |
The most common type of bleeding. Blood oozes, and often will clot and stop by itself. |
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Blood vessel spasm, when a blood vessel is completely severed |
It draws back into the tissue, contrite the diameter, and slows the bleeding. |
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Blood vessel spasm, if an artery is only partially cut across diameter |
Constriction is incomplete and the loss if blood may not slow dramatically. |
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What forms a clot |
Special elements in blood called platelets |
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Clotting serves as |
A protective covering for a wound until the tissues underneath can repair |
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In a healthy person, clotting |
Normally takes 10 minutes |
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Clogging time is longer in people who |
Have a great deal of blood loss over prolonged time, taking aspirin, are anemic, have hemophilia. |
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What is the largest artery |
The aorta about the size if a garden hose |
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What is the largest vein |
The inferior vena cava, returns blood from the lower half of the body back to the heart |
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What to not apply direct pressure to |
Eye injury, a wound with embedded object, or a skull fracture. |
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Do not remove |
Blood soaked dressing. Doing so can pull off clots that have already formed. Apply dressing in top. |
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Care for bleeding |
1. Expose wound. Remove or cut clothing 2. Place sterile gauze over entire wound and apply direct pressure 3. Hold steady and firm for 5 minutes |
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If bleeding does not stop within 10 minutes.. |
Add more dressing in top of first and press harder over wider area. |
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To free you to attend other injuries |
Use a pressure bandage to hold the dressing on the wound. |
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Bleeding still continues use |
A tourniquet about 2 to 3 inches above wound |
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Applying pressure on a surgical wound |
May further open the wound by tearing internal or external sutures |
