Vasopressin Basics Flashcards
1
Q
Where is vasopressin secreted from?
A
Posterior pituitary
2
Q
What is the general function of vasopressin?
A
Decrease water loss, concentrate urine, increase BP
3
Q
What stimulates the release of vasopressin?
A
Osmotic pressures
Na < 135 — vasopressin is suppressed
Na > 145 — vasopressin is released
Serum Osmo > 280 — ADH is increased
Baroreceptors —monitor hemodynamic function
Thirst receptors — ensures adequate hydration
