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- Prolonged strenuous exercise usually leads to anincrease in lactic acid. Given your knowledge ofnormal circulation, explain why it is helpful tohave a cool-down period with mild exercise ratherthan total rest immediately after strenuousexerciseSome tumors of the brain, pancreas, and small intestinesecrete ADH. What type of fluid imbalance would thisproduce? Explain whyGout—a condition that results in joint swelling and pain—iscaused by the formation of sodium urate (NaC5H3N4O3) crystalswithin tendons, cartilage, and ligaments. Sodium urate precipitatesout of blood plasma when uric acid levels become abnormallyhigh. This can happen as a result of eating too many rich foodsand consuming too much alcohol, which is why gout is sometimesreferred to as the “disease of kings.” If the sodium concentration inblood plasma is 0.140 M and Ksp for sodium urate is 5.76 * 10-8,what minimum concentration of urate results in precipitation?
- Renal tubules cannot reabsorb HCO3–; yet HCO3–concentration in the tubular fluid falls while in the blood plasma itrises. Explain this apparent contradiction.Explain why not reabsorbing bicarbonate (HCO3-) and Glucose lead to acidosis and polyuria (respectively).Mechanism of cholesterol excretion from the body
- Metabolic acidosis is often treated by administering hydrogen carbonate intravenously. Explain how this treatment can increase blood plasma pH.If uremia is untreated or if complications occur, metabolicacidosis can become decompensated. What change occursin serum pH at this point, and what is the effect on overallcell metabolism in the body?Describe in general terms the mechanism by which abscisic acidhelps minimize water loss.