A Previously Healthy 16-Year-Old Boy Is Evaluated for Progressive Headaches

question 795

Multiple Choice

A previously healthy 16-year-old boy is evaluated for progressive headaches and blurred vision that started several months ago.  The headaches are more severe upon waking up in the morning and are often accompanied by nausea and vomiting.  He takes no medications and does not use tobacco, alcohol, or illicit drugs.  Physical examination is notable for bilateral papilledema.  MRI of the brain is shown in the exhibit.  This patient's brain lesion most likely originated from which of the following cells?

• A)Astrocytes
• B)Ependymal cells
• C)Microglia
• D)Neurons
• E)Oligodendrocytes
• F)Schwann cells
• G)Vascular endothelial cells

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Definitions:

Buying Center

A group of individuals within an organization who are involved in the decision-making process of purchasing goods or services, with roles including users, influencers, deciders, buyers, and gatekeepers.

Gatekeeper

An individual or organization that has the control to provide or restrict access to something or someone, often influencing the flow of information or decision-making processes.

Buying Center

A team within a company tasked with deciding on procurement matters.

Chief Financial Officer

The senior executive responsible for managing the financial actions of a company, including financial planning, risk management, and financial reporting.