1.

Regarding the renin-angiotensin system, which is CORRECT?

A. renin has many functions including the formation of angiotensin I from angiotensinogen
B. after nephrectomy, circulating levels of prorenin fall
C. renin is formed in the juxtaglomerular cells of the kidney
D. active renin has a half-life in the circulation of 40 minutes or less
E. prorenin is biologically active
Answer» D. active renin has a half-life in the circulation of 40 minutes or less


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