The Correct Order for Urine to Flow Through Structures of the Kidney

Multiple Choice

The correct order for urine to flow through structures of the kidney is _______.

A) collecting duct $\rightarrow$ minor calyx $\rightarrow$ major calyx $\rightarrow$ renal papilla $\rightarrow$ ureter
B) collecting duct $\rightarrow$ minor calyx $\rightarrow$ renal papilla $\rightarrow$ major calyx $\rightarrow$ ureter
C) collecting duct $\rightarrow$ renal papilla $\rightarrow$ minor calyx $\rightarrow$ major calyx $\rightarrow$ ureter
D) renal papilla $\rightarrow$ collecting duct $\rightarrow$ minor calyx $\rightarrow$ major calyx $\rightarrow$ ureter