Endocrinology/VasopressinADH/SummaryOfEffect/basic

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With an increase/a decrease in the synthesis, secretion, and blood concentration of vasopressin (ADH), the number of water channels (in the tubule) increases/decreases, which increases/decreases the reabsorption of water (from the tubule). The plasma osmolarity-decreasing effect of reabsorption becomes stronger/weaker, and plasma osmolarity decreases (diluted, hypotonic)/increases (concentrated, hypertonic).

Challenge Quiz

1.

With an increase a decrease in the synthesis, secretion, and blood concentration of vasopressin (ADH), plasma osmolarity decreases (diluted, hypotonic).

2.

With an increase a decrease in the synthesis, secretion, and blood concentration of vasopressin (ADH), plasma osmolarity increases (concentrated, hypertonic).