The renal blood vessels enter and leave the kidney at the:
A) cortex
B) renal papilla
C) medulla
D) hilum
D
Explanation: The renal blood vessels enter and leave the kidney at the hilum. The cortex is the outer portion of the kidney. The renal papilla is the tip of the renal pyramids. The medulla is the inner area of the kidney.
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B) Men ages 19-22
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D) Women ages 75+
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