With Film-Screen Imaging,decreasing Collimation (Using a Larger Field Size)results in ____________Image

question 60

Multiple Choice

With film-screen imaging,decreasing collimation (using a larger field size) results in ____________image contrast and ____________ patient exposure.

• A) lower; higher
• B) lower; lower
• C) higher; higher
• D) higher; lower

---

Definitions:

Expected Return

The weighted average of all possible returns for an investment, with weights being the probabilities of each outcome.

Standard Deviation

A statistical measure of the dispersion of returns for a given security or market index, indicating how much returns can deviate from the average return.

Correlation

A statistical measure indicating the degree to which two variables' movements are associated with each other, ranging from -1 (perfect negative correlation) to 1 (perfect positive correlation).

Time Diversification

An investment strategy that spreads exposure across different periods to reduce risk associated with market volatility.