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What is the leading cause of death in the united states for people aged 1-44?
TRAUMA
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What system is responsible for the distribution of blood to all parts of the body?
The circulatory system is responsible for what?
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What are the 3 components of the cardiovascular system?
Heart, blood vessels, and the blood.
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to provide a sufficient supply of O2 and nutrients to all parts of the body the heart must pump at an adequate _______ and _______.
Rate and Rhythm
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What do arteries do?
What carries oxygen rich blood away from the heart?
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Where does the vital exchange of O2, nutrients, and CO2 take place?
The capillaries and body tissues.
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What do veins do?
Carry O2 poor blood to the heart.
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What is perfusion?
The supply of oxygen to and removal of wastes from the cells and tissues of the body as a result of the flow of blood through the capillaries.
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What is hypoperfusion?
the inability of the body to adequately circulate blood to the body's cells to supply them with oxygen and nutrients.
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What is Shock?
The inability of the body to adwquately circulate blood to the body's cells to supply them with oxygen and nutrients. Life threatening condition.
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What are the functions of the blood?
Transportation of gases, nutrition, excretion, protection, regulation.
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What is Hemorrhage?
Bleeding, usually severe.
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What is the major cause of shock?
Hemorrhage is the major cause of?
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What are the most sensitive to inadequate perfusion?
Cells and tissues of the brain, spinal cord, and the kidneys are most sensitive to?
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How is hemorrages classified?
External or internal.
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What are two common blood thinners?
Coumadin and Plavix.
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Coumadin and Plavix are both examples of ?
Blood thinners
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External bleeding classified by?
What vessel is injured.
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What are the different types of external bleeding?
Arterial, Venous, capillary
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Manifestations of Arterial bleeding?
color
flow
controllability
- Bright red color
- spurting
- Hard to control
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Manifestations of Venous bleeding?
Color
Flow
Controllability
- Dark Red
- Steady Flow
- Easy to control
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What can be a problem in venous bleeding?
Large veins may suck in debris, or air. Especially problematic for veins in neck. Air embolism may occur, effects heart rhythm.
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Manifestations of capillary bleeding?
Color
Flow
Controllability
- Medium red
- Oozing slow
- Easy to control
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What bleeding is easy to be contaminated?
Capillary bleeding is easy to be ____________?
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Severity of bleeding dependent on what?
amount of blood lost, and patients condition
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What amount of blood loss significant for an adult?
1 liter
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What amount of blood loss significant for child?
500 cc
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What amount of blood loss significant in an infant?
150 cc
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If at any time patient shows signs of shock the bleeding is considered?
If at any time patient shows _______________ the bleeding is considered serious.
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What is the body's natural response to bleeding?
Constriction of blood vessel and clotting.
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