Which Action Best Reflects the Movement of Urine from the Renal

question 11

Multiple Choice

Which action best reflects the movement of urine from the renal pelvis to the bladder?

• A) Normal intra-abdominal positive pressure promotes renal drainage.
• B) Slight distention of the renal pelvis initiates a wave of peristaltic contractions.
• C) Distention of the proximal ureter facilitates gravity drainage through signaling channels.
• D) Urine is propelled into the bladder when adrenal hormones bind with ureteral receptor sites.

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Definitions:

Piriformis

A muscle in the gluteal region of the lower limb, which can sometimes be involved in sciatic nerve compression.

Iliacus

A muscle located in the pelvis, part of the iliopsoas group, important for flexing the hip and stabilizing the lower body.

Sartorius

The sartorius is a long, thin, superficial muscle that runs down the length of the thigh in the human body, known for being the longest muscle.

Thorax Muscle

Refers to the muscles located in the chest region that assist with the breathing process and support upper body movements.