What structures enter and exit the kidney at the hilum?
A) the renal artery and ureter enter; the renal vein and the urethra exit at the hilum
B) the renal vein and urethra enter; the renal artery and ureter exit at the hilum
C) the renal artery and renal nerves enter; the renal vein and ureter exit at the hilum
D) the renal artery and vein enter; the renal nerves exit at the hilum
E) the renal artery and renal nerves enter; the renal vein and urethra exit at the hilum
Answer: C
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