Answered

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5. Which of the following accurately explains the lumbar and sacral plexuses?

A. The lumbar plexus nerves innervate the leg and foot musculature and skin, whereas the sacral plexus nerves innervate the abdominal, thigh, and hip musculature and skin.

B. The sacral plexus derives from the ventral rami of spinal nerves T12-L04, whereas the lumbar plexus derives from the ventral rami of spinal nerves L04-S04.

C. The lumbar plexus derives from the ventral rami of spinal nerves T12-L04, whereas the sacral plexus derives from the ventral rami of spinal nerves L04-S04.

D. The sacral plexus includes the genitofemoral, lateral femoral cutaneous, and femoral nerves, whereas the lumbar plexus includes the sciatic and pudendal nerves.

Sagot :

GinnyAnswer

Final answer:

The lumbar plexus includes the femoral nerve, while the sacral plexus gives rise to the sciatic nerve.


Explanation:

The lumbar plexus arises from all the lumbar spinal nerves and gives rise to nerves innervating the pelvic region and anterior leg, such as the femoral nerve. The sacral plexus comes from lower lumbar nerves L4 and L5 and sacral nerves S1 to S4, with the significant sciatic nerve originating from this plexus.


Learn more about Spinal nerve plexuses here:

https://brainly.com/question/43184159


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