In which abdominal quadrant is most of the liver located?
a. right upper quadrant c. left upper quadrant
b. right lower quadrant d. left lower quadrant
A
Anatomic maps serve as a frame of reference during examination of the abdomen. The abdominal cavity can be subdivided using two methods: four quadrants or nine regions. The most commonly used examination approach in clinical practice is the four-quadrant technique. The abdominal surface is divided into four sections by vertical and horizontal lines intersecting at the umbilicus. The four quadrants are the right upper quadrant, right lower quadrant, left upper quadrant, and left lower quadrant. The nine abdominal regions are the right hypochondriac region, the right lumbar region, the right iliac region, the epigastric region, the umbilical region, the hypogastric region, the left hypochondriac region, the left lumbar region, and the left iliac region. Most of the liver is located in the right upper quadrant, but extends across the midline into the left upper quadrant. The left lobe of the liver is found in the left upper quadrant.
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A. Atelectasis B. Increased tidal volume C. Dehydration D. Pneumonia
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