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Biology 18 Online
OpenStudy (anonymous):

explain why human blood pressure decreases when man suffers from a bleeding ?

OpenStudy (anonymous):

When continued and uncontrolled bleeding occurs, the organs of your body will receive less amount of blood due to excess loss of blood from the body. This will lower the blood pressure.

OpenStudy (anonymous):

When you lose blood from trauma, you go through 4 stages of shock. The quantity of blood loss and the signs associated with it determine the stage. OpenStudy is not letting me add Breaks, so i will add the classes as separate answers.

OpenStudy (anonymous):

- Class I hemorrhage involves a blood volume loss of up to 15 percent. The heart rate is minimally elevated or normal, and there is no change in blood pressure, pulse pressure, or respiratory rate.

OpenStudy (anonymous):

- Class II hemorrhage occurs when there is a 15 to 30 percent blood volume loss and is manifested clinically as tachycardia (heart rate of 100 to 120), tachypnea (respiratory rate of 20 to 24), and a decreased pulse pressure, although systolic blood pressure changes minimally if at all. The skin may be cool and clammy, and capillary refill may be delayed.

OpenStudy (anonymous):

- Class III hemorrhage involves a 30 to 40 percent blood volume loss, resulting in a significant drop in blood pressure and changes in mental status. Heart rate (≥120 and thready) and respiratory rate are markedly elevated, while urine output is diminished. Capillary refill is delayed.

OpenStudy (anonymous):

- Class IV hemorrhage involves more than 40 percent blood volume loss leading to significant depression in blood pressure and mental status. Urine output is minimal or absent. The skin is cold and pale, and capillary refill is delayed.

OpenStudy (anonymous):

ty guyss !!

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