What Are the Most Common Primary Central Nervous System (CNS)

question 11

Multiple Choice

What are the most common primary central nervous system (CNS) tumours in adults?

• A) Meningiomas
• B) Oligodendrogliomas
• C) Astrocytomas
• D) Ependymomas

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Definitions:

Firm-Specific Risk

The portion of a security's risk that is attributable to factors affecting only that company, distinct from market risk.

Unique Risk

Risk that affects a very limited number of assets, often referred to as "unsystematic risk" or "idiosyncratic risk."

Diversifiable Risk

The portion of an investment's risk that can be mitigated or eliminated through portfolio diversification.

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables.