Grid Ratio Describes the

question 21

Multiple Choice

Grid ratio describes the

• A) number of grid lines per centimeter or lines per inch.
• B) angling of the lead strips to coincide with x-ray beam diversion.
• C) relationship between the height of the lead strips to the interspace.
• D) physical size of the grid to be used for each distance measured.

---

Definitions:

DSM I

The first edition of the Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association to standardize psychiatric diagnostic criteria.

1942

A year notable for events in World War II, including the Battle of Midway and the internment of Japanese Americans.

DSM-IV-TR

The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision; a manual published by the American Psychiatric Association detailing diagnostic criteria for mental disorders.

Disruptive Behavior Patterns

Actions or sequences of actions that interrupt the normal flow or functioning of a social or operational system.