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Q: Would decreased blood volume increase afterload?
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In a healthy individual which of the following would be low Contractility Preload Stroke volume or Afterload.?

afterload


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What decreases cardiac output without change in heart rate PAWP or SVR Is it preload afterload or contractility?

A change in cardiac output without any change in the heart rate, pulmonary artery wedge pressure (PAWP = equated to preload) or systemic vascular resistance (SVR = afterload) would have to be due to a change in the contractility of the heart. Cardiac output (CO) is roughly equal to stroke volume x heart rate. Stroke volume is related to preload, contractility, and afterload. As you can see, the only variables you have not controlled for is cardiac contractility.


How would a decrease in blood volume affect both stroke volume and cardiac output?

It's decreased ... unless the rate falls, which is the normal cardiac response.


If the air in a carbon of milk was allowed to warm up what would happen to it?

Its volume would increase (apex)


What would happen if the earths rate of rotation decreased what would increase?

The length of the day


Would most likely happen if the number of shrimp decreased?

The plankton population would increase


Would an increase in contractility cause an increase to cardiac output?

Yes - an increase in contractility would lead to an increase in stroke volume. An increased stroke volume would cause an increased cardiac output.


When the volume of gas decreases would the pressure increase or decrease?

It would increase.


If the concentration of the dye was decreased would the distance it moves increase?

decrease it the right answer


If the temperature of a gas were to increase would the volume increase?

no the presure would become greater unless the contianer became larger the volume would stay the same


If the volume of an object increases what will the density do?

it will increase. the epuation for density is mass divided by volume.