Question

indicate whether each statement is true or false:

1. the omach is an enlarged segment of the digestive tract located in the left inferior part of the abdomen. (click to select)
2. the largest part of the stomach is the pyloric region and is composed of the antrum, canal, orifice, and sphincter. (click to select)
3. the muscularis of the stomach consists of three layers: an outer longitudinal layer, a middle circular layer, and an inner oblique layer. (click to select)
4. the stomach is lined with pseudostratified columnar epithelium that is located along the surface of many tubelike gastric pits. (click to select)

Explanation:

1. The stomach is indeed an enlarged segment of the digestive tract located in the left inferior part of the abdomen.
2. The largest part of the stomach is the body, not the pyloric region. The pyloric region has the antrum, canal, orifice, and sphincter.
3. The muscularis of the stomach has three layers: outer longitudinal, middle circular, and inner oblique.
4. The stomach is lined with simple columnar epithelium, not pseudostratified columnar epithelium.

Answer:

1. True
2. False
3. True
4. False