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In a healthy individual which of the following would be low Contractility Preload Stroke volume or Afterload.?

afterload


How would decreased diffusion across the arachnoid granulations affect the volume of the cerebrospinal fluid in the ventricles?

increase


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.


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

The length of the day


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

It 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.


If a tumor of the glucocorticoid-secreting cells of the adrenal cortex crowds out the cells that produce aldosterone what is the likely effect on urine composition and volume?

The tumor would cause increased secretion of glucocorticoids and decreased aldosterone production, leading to increased sodium and water retention in the kidneys. This would result in increased urine volume and decreased urine concentration, leading to dilute urine with low sodium levels.


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


What of the following would most likely increase of the amount of recycled materials decreased?

Landlines


What happens to gas as the temperature rises?

As the temperature of a gas rises, the kinetic energy of its particles increases, causing them to move faster and collide more frequently with the walls of the container. This increase in collisions leads to an increase in pressure and volume of the gas.


If a cell's surface area was increased by 4 by how many times would its volume increase?

yes the volume would inrease!!!