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Which describes the effect or prolonged stress on blood pressure?
It causes blood pressure to increase.
How does positive pressure ventilation affect cardiac output?
It increases intrathoracic pressure which decreases venous return to the heart and causes a decrease in cardiac output.
How does positive-pressure ventilation affect cardiac output?
It increases intrathoracic pressure which decreases venous return to the heart and causes a decrease in cardiac output.
Describe the changes in gas pressure?
The increase in solubility causes increase in pressure.
What causes speed to increase or decrease?
Presence of friction, incline and so on.
What happens to pressure if you increase the ATM?
If you increase the atmospheric pressure, the pressure will also increase. This is because atmospheric pressure is the pressure exerted by the weight of air above a certain point, so increasing the amount of air causes an increase in pressure.
Increased heart rate causes systolic pressure to increase or decrease mean arterial pressure?
Mean arterial pressure can be thought of as 1/3 systolic + 2/3 diastolic since the heart spends slightly more time is diastole (rest) that it does in systole (contracting). MAP = 1/3 systolic + 2/3 diastolic. Therefore, an increase in either systolic or diastolic will increase the MAP. Additionally, under physiological conditions, an increase in heart rate will increase blood pressure. Increased HR leads to increased cardiac output, among other things, which increase blood pressure.
What effect does increase water vapor have on atmospheric pressure?
it causes a decrease in atmosperic pressure A+
Arterial blood pressure increases in response to?
stimulation of the sympathetic nervous system and the release of adrenaline, which causes vasoconstriction and an increase in heart rate. Other factors that can increase arterial blood pressure include stress, physical activity, and certain medications.
In a pressure chamber filled with gas above a liquid solution a decrease in volume causes?
AN increase n pressure, an increase in gas concentration in the solution
What causes a pressure in a gas?
Heat. The addition of heat causes expansion and spreading of the molecules which in turn causes an increase in pressure.
Does the presence of athrosclaratic plaque increase blood pressure?
Yes, plaque is one of the most comman reasons for high blood pressure. It causes narrowing and harding of the blood vessels and makes it more difficult for the blood to travel and the vessel to expand, thus the pressure required to pump the blood is greater.
