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For each of the following situations, describe the anticipated effect on blood pressure and the physiological...

For each of the following situations, describe the anticipated effect on blood pressure and the physiological basis of the response: (1) anticipation to giving a lecture/speech/presentation, (2) cardiac arrest, (3) atherosclerosis, and (4) femoral artery bleed.

Science   Anatomy-And-Physiology   
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Answer #1

1: Anticipation to giving a lecture/speech/presentation causes fight and flight response due to increased activity of sympathetic nervous system which leads to increase in blood pressure.

2: In Cardiac arrest, cardiomyopathy happens due to thickening of heart muscles caused by increased blood pressure.

3: In atherosclerosis the arteries gets narrow due to formation of plaques on the walls of arteries, this leads to increase in blood pressure.

4: Femoral artery bleed will lead to loss of blood, due to loss of blood the blood volume decreases and this will cause decrease in blood pressure.

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