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Review Question - QID 213438

Germ Layer Derivatives Ectoderm Neuroectoderm - CNS and brain QID: 213438 (M1.OMB.19.4801)
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QID 213438 (Type "213438" in App Search)
A 10-year-old boy is brought to his pediatrician over concern for a 2-month history of headaches. Recently, the patient has been experiencing nausea and vomiting, along with some difficulty with coordination during soccer practice last week. On exam, the patient's temperature is 98.2°F (36.8°C), blood pressure is 110/80 mmHg, pulse is 72/min, and respirations are 14/min. On further evaluation, the patient is found to have a well-encapsulated posterior fossa mass. The patient undergoes surgical resection, and the mass is found to be positive for GFAP. Which of the following is derived from the same embryologic germ layer as the cells that comprise this tumor?
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