Renal 9, Renin angiotensin mechanism

The kidneys regulate blood pressure by the selective release of:
a.  adrenaline
b.  rennin
c.  erythropoietin
d.  angiotensinogen

Which of the following statements is true?
a. Rennin is secreted from the efferent arteriole
b. More renin will be secreted is blood pressure increases
c. Renin converts angiotensin I into angiotensin II
d. Renin will act on angiotensinogen

Which of the following statements is true?
a. Angiotensin II is a vasodilator
b. Angiotensin II will inhibit release of aldosterone
c. Aldosterone will increase the amounts of sodium in the urine
d. Aldosterone will increase the amounts of sodium reabsorbed from the renal tubules

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