The First Sphincter Encountered in the Alimentary Canal Is The

question 101

Multiple Choice

The first sphincter encountered in the alimentary canal is the:

• A) upper esophageal sphincter.
• B) pyloric sphincter.
• C) gastroesophageal sphincter.
• D) ileocecal sphincter.

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Definitions:

Urethra

The tube that carries urine from the bladder to be expelled outside the body.

Trigone

A triangular area located in the urinary bladder, situated between the openings of the ureters and the urethra, which remains stable while the rest of the bladder expands or contracts.

Bladder

A hollow organ in the lower abdomen that stores urine before it is expelled from the body.

Pelvis

The lower part of the torso in humans and other vertebrates, consisting of the pelvis bones which surround and protect organs like the bladder and reproductive organs.