Decreasing Collimation Results In

question 14

Multiple Choice

Decreasing collimation results in:

• A) a smaller field size.
• B) a larger field size.
• C) decreased patient dose.
• D) less scatter production.

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Definitions:

Dizygotic

Refers to twins that are formed from the fertilization of two separate eggs by two separate sperm, resulting in fraternal twins that are genetically distinct, akin to regular siblings sharing approximately 50% of their genes.

Epigenetic

The study of changes in gene expression caused by mechanisms other than changes in the underlying DNA sequence.

Individual Differences

Variations among individuals in their psychological traits, behaviors, and physiological responses.

Epigenetic Marks

Chemical modifications to DNA and histone proteins that regulate gene activity without altering the DNA sequence, affecting how cells read genes.