The Urinary System - Control of Urinary Secretion Flashcards
The selective reabsorption or secretion of materials in the urine is regulated by ____ and ____ control
chemical and nervous system
The two main systems of chemical control are the ____ system and the ____ system
antidiuretic hormone (ADH) system and the renin-aldosterone (RA) system
ADH is secreted by the hypothalamus in response to ____ in the blood
high sodium concentrations
Hypernatremia
high sodium concentrations in the blood
To lower the salt concentration, ADH works on the tubules to promote ____ of water
reabsorption
Since ADH allows reabsorption of water, it ____ the amount of water in the urinary filtrate
reduces
Diuretics ____ the water volume in the urinary filtrate
increase
Diuretics allow the kidneys to eliminate more ____ from the bloodstream
water volume
Common substances such as ____ and ____ are diuretics
alcohol and caffeine
