Wisconsin CNA State Exam Vocabulary Practice

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What is the function of a colostomy?

Assisting with breathing
Excreting bile
Excreting urine
Expelling feces

The correct answer is: Expelling feces

A colostomy serves the function of expelling feces. This surgical procedure involves creating an opening, called a stoma, in the abdomen by bringing a portion of the colon (large intestine) through the abdominal wall. As a result, waste is diverted out of the body and into a colostomy bag instead of passing through the rectum. This is typically necessary when segments of the colon are damaged or need to be bypassed due to conditions such as colorectal cancer, inflammatory bowel disease, or traumatic injury. The other options pertain to functions that are unrelated to a colostomy. Breathing is managed through the respiratory system, and bile is produced by the liver and stored in the gallbladder for digestion. Urine excretion is a function of the urinary system, specifically the kidneys and bladder. Therefore, the most accurate choice regarding the purpose of a colostomy is indeed related to expelling feces.