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Chapter 25 (study questions)
Terms in this set (23)
Internal respiration is the exchange of gases at the
As blood flows out if the heart, it passes into the ___________ the largest artery in the body.
red blood cells, white blood cells, platelets (all suspended in plasma)
ANS(autonomic nervous system)
Monitors the body's needs, adjusts blood flow(shunting blood), maintains homeostasis.
The circulation of the blood within an organ or tissue to meet the cells needs for oxygen nutrients and waste removal.
Changes in vital signs may occur with significant blood loss
Increase in heart rate, increase in respiratory rate, decrease in blood pressure.
How well people compensate for blood loss is related to how;
Rapidly they bleed
Causes spurting, bright red bleeding
Flows slowly or rapidly depending on vein size, dark red
bleeding from capillaries, which is characterized by a slow, oozing flow of dark red blood
Bleeding tends to stop rather quickly; within
Patient lacks blood clotting factors. Bleeding no matter how small can be serious.
Injury or damage to internal organs commonly ;
Results in extensive internal bleeding
With a femur break you have the potential to lose how much blood?
High energy MOI should increase your;
Index of suspicion for serious unseen injuries.
Signs and symptoms for internal bleeding includes;
Swelling in area of bleeding
Dyspnea, tachycardia, hypotension
Bleeding from any body opening
Broken ribs; bruises over lower part of the chest or a rigid, distended abdomen
How well a patients body can compensate for blood loss is related to how;
Rapidly the blood loss occurs.
Most commonly used methods to control external bleeding includes what?
Direct, even pressure
Pressure dressings and/or splints
The blood pressure that differentiates between compensated and decompensated shock
A systolic <90
If bleeding is too proximal you should
Apply direct pressure and hold until you arrive at the hospital.
At minimum, how long should you hold direct uninterrupted pressure?
At least 5 minutes
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