Given below are two statements.
Statement I : Many collecting ducts converge and open into the renal pelvis through calyces.
Statement II : The renal pelvis is the expanded, proximal portion of the ureter within the kidney.
In light of the above statements, choose the correct answer from the options given below.

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Statement I is incorrect but statement II is correct.

Both statement I and statement II are correct.

Statement I is correct but statement II is incorrect.

Both statement I and statement II are incorrect.

answer is A.

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Detailed Solution

Both statement I and statement II are correct.

Statement I: "Many collecting ducts converge and open into the renal pelvis."

Explanation: This statement is true. The collecting ducts, which are responsible for carrying urine from the nephrons, converge in the renal medulla and open into the renal pelvis. The renal pelvis is a funnel-shaped structure located at the proximal end of the ureter within the kidney.

Statement II: "Renal pelvis is the expanded, proximal portion of the ureter, within the kidney."

Explanation: This statement is also true. The renal pelvis serves as the expanded, proximal portion of the ureter within the kidney. It collects urine from the collecting ducts and funnels it into the ureter, which carries the urine to the urinary bladder for storage and eventual elimination.

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