HESI (Health and Environmental Sciences Institute) Health Assessment Practice Test

Question: 1 / 400

Which structure is located in the left lower quadrant of the abdomen?

Liver

Duodenum

Gallbladder

Sigmoid colon

The sigmoid colon is located in the left lower quadrant of the abdomen, which is significant in terms of the digestive system's anatomy. It is a part of the large intestine that connects the descending colon to the rectum and plays a key role in storing fecal matter until it is ready to be expelled from the body. Understanding the location of the sigmoid colon is essential for assessing abdominal pain or discomfort, as conditions like diverticulitis, colonic obstruction, or colorectal cancer may involve this area.

In contrast, the liver is situated in the upper right quadrant, the duodenum is primarily located in the upper abdomen towards the right side, and the gallbladder is found underneath the liver, typically in the right upper quadrant. Knowing these anatomical positions helps in diagnosing various gastrointestinal disorders and understanding the abdominal pain's potential origins.

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