Marieb Language Of Anatomy Practice Exam

Which term denotes the lower back region?

Lumbar Thoracic Umbilical Cephalic

Correct Answer:

Lumbar

Explanation:

The lower back region is called the lumbar region. It corresponds to the area of the lumbar vertebrae (L1–L5), positioned between the thoracic (mid back) region above and the sacral/pelvic region below. The term lumbar comes from Latin for loin or lower back, a label you’ll see in phrases like lumbar spine or lumbar puncture. In contrast, the thoracic region is the chest and upper back, the umbilical region centers around the belly button, and the cephalic region refers to the head.

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