Most Tumors in the Brain Originate from Glial Cells, but Not

question 29

Multiple Choice

Most tumors in the brain originate from glial cells, but not neurons. What characteristic of glial cells make them the most likely source of tumors in the brain?

• A) Glial cells are able to divide, while neurons are not.
• B) Glial cells naturally release a tumor-promoting factor.
• C) Glial cells carry a neuronal signal, making them vulnerable to abnormal replication.
• D) Glial cells are easily damaged by the electrical signal carried on the neurons.

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Definitions:

Profit Margin

A financial metric indicating the percentage of revenue that exceeds the cost of goods sold, highlighting a company’s profitability.

Net Income

The remaining earnings of a corporation after deducting all expenditures and tax obligations from its revenue.

Net Sales

The revenue generated from sales after deducting returns, allowances for damaged or missing goods, and discounts.

Market/Book Ratio

A financial ratio that compares a company's market value to its book value, providing an indication of investor expectations and valuation.