Answer:
The correct answer is B
Explanation:
Arteriolls regulate peripheral vascular resistance. Blood pressure is defined by cardiac output and peripheral vascular resistance, therefore these vessels have the ability to modify their caliber to maintain adequate blood pressure levels.
Excess fluid in your tissues leads to this swelling (edema), which is frequently brought on by congestive heart failure or a blockage in a leg vein. These are edema symptoms.
<h3>How can you eliminate severe edema?</h3>
Treatment for edema entails a number of steps, including treating the underlying cause (if feasible), cutting back on salt (sodium) in their diet, and, in many situations, using a drug called a diuretic to get rid of extra fluid. Additionally suggested measures include elevating the legs and wearing compression stockings.
<h3>How can you tell whether an edema is severe?</h3>
If your edema suddenly gets worse, hurts, is new, or if it's accompanied by chest pain or breathing difficulties, seek medical attention right once. The latter could be an indication of pulmonary edema, a serious illness where fluid fills the lung cavities.
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A urine concentration test measures the ability of the kidneys to conserve or excrete water.
A urine specific gravity test compares the density of urine to the density of water. This quick test can help determine how well your kidneys are diluting your urine. Urine that's too concentrated could mean that your kidneys aren't functioning properly or that you aren't drinking enough water.
Urine is concentrated in the final stages of its production: water is absorbed, in excess of solute, from the collecting ducts and into the vasculature of the medulla, thus increasing the osmolality of the collecting duct fluid and thus the osmolality of the urine that emerges from the collecting ducts.
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