Which Is TRUE About the Juxtaglomerular Apparatus

Multiple Choice

Which is TRUE about the juxtaglomerular apparatus?

A) It is composed of parts of the ascending limb of the loop of Henle and the efferent arteriole.
B) It is composed of glomerular capillaries and the macula densa.
C) It is the site of renin secretion.
D) It is created by the junction between the proximal tubule and the afferent arteriole.
E) It is composed of cells that secrete atrial natriuretic peptide and cells that secrete norepinephrine.