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Questions and Answers
Which dermatome is located over the xiphoid process?
Which dermatome is located over the xiphoid process?
- Dermatome L1
- Dermatome T12
- Dermatome T7 (correct)
- Dermatome T10
What spinal nerve supplies the dermatome located just above the inguinal ligament and symphysis pubis?
What spinal nerve supplies the dermatome located just above the inguinal ligament and symphysis pubis?
- 10th thoracic nerve
- 1st lumbar nerve (correct)
- 12th thoracic nerve
- 7th thoracic nerve
The cutaneous nerve supply to the anterior abdominal wall is derived from which nerves?
The cutaneous nerve supply to the anterior abdominal wall is derived from which nerves?
- Posterior rami of the lower six thoracic and 1st lumbar nerve
- Anterior rami of the lower six thoracic and 1st lumbar nerve (correct)
- Posterior rami of the upper six thoracic and 1st lumbar nerve
- Anterior rami of the upper six thoracic and 1st lumbar nerve
Which dermatome corresponds to the umbilicus?
Which dermatome corresponds to the umbilicus?
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Which of the following is true about dermatomes of the anterolateral abdominal wall?
Which of the following is true about dermatomes of the anterolateral abdominal wall?
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Study Notes
Skin (Dermatomes)
- A dermatome is an area of skin primarily supplied by afferent nerve fibers from the dorsal root of a spinal nerve
- Dermatome T7 is located over the xiphoid process
- Dermatome T10 is located at the umbilicus
- Dermatome L1 lies just above the inguinal ligament and the symphysis pubis
Skin (Blood Supply & Venous Drainage)
- The cutaneous nerve supply to the anterior abdominal wall is derived from the anterior rami of the lower six thoracic and the 1st lumbar nerve
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Description
This quiz covers the dermatomes of the anterolateral abdominal wall, including the areas supplied by nerves T7, T10, and L1.
