In the given figure, Juxtaglomerular cells of ___ and macula densa cells of ___ form the Juxtaglomerular apparatus
Afferent arteriole, PCT
Efferent Arteriole, PCT
Afferent arteriole, DCT
Efferent arteriole, DCT
Assertion [A]: The rate of glomerular filtration is high.
Reason [R]: The diameter of the afferent arteriole is smaller than that of the efferent arteriole.