A 45-year-old woman is brought to the emergency department after a generalized tonic-clonic seizure. She reports no prior history of seizures, but she has noticed right arm weakness over the last week. Her family history is significant for her mother's death from skin cancer. Physical examination shows a skin lesion measuring 13 mm on her back, as shown in the image below. This lesion most likely originated from which of the following embryologic derivatives?

Question

A 45-year-old woman is brought to the emergency department after a generalized tonic-clonic seizure.  She reports no prior history of seizures, but she has noticed right arm weakness over the last week.  Her family history is significant for her mother's death from skin cancer.  Physical examination shows a skin lesion measuring 13 mm on her back, as shown in the image below.  This lesion most likely originated from which of the following embryologic derivatives?

Quizplus · Accepted Answer

The Answer is C

A 45-Year-Old Woman Is Brought to the Emergency Department After