Explain the role of aldosterone in sodium and water balance
What will be an ideal response
Aldosterone targets the distal tubule and collecting duct and enhances sodium ion reabsorption so that very little leaves the body in urine. Aldosterone also causes increased water reabsorption because, as sodium is reabsorbed, water follows it back into the blood.
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An enzyme secreted by the gastric mucosa of a newborn that coagulates milk proteins is
A) pepsin. B) trypsin. C) gastrin. D) rennin. E) cholecystokinin.
Which of the following compounds yields the most ATP per molecule?
A. Pyruvate B. Acetyl-CoA C. Glucose D. Glycogen E. Lactate
From the arcuate artery, blood then flows into which vessels?
A. Peritubular capillaries B. Afferent arterioles C. Renal arteries D. Cortical radiate arteries E. Interlobar arteries
Which condition is characterized by a congenital defect resulting in failure of the hard and/or soft palate to fuse?
A. Bursitis B. Rickets C. Rheumatoid arthritis D. Cleft palate