In Positron Emission Tomography (PET),a Positron Emitted from an Unstable

question 108

Multiple Choice

In positron emission tomography (PET) ,a positron emitted from an unstable isotope travels a short distance before it is annihilated by

• A) an electron,creating a proton that is detected by the instrument.
• B) a neutron,creating two gamma rays that travel in opposite directions.
• C) an electron,creating two gamma rays that travel in opposite directions.
• D) an alpha particle,creating two protons that travel in opposite directions.
• E) gamma ray,creating an electron that is detected by the instrument.

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Definitions:

Transgender

People are uncomfortable with the gender assigned to them at birth or do not fit neatly into conventional male or female gender categories.

Essentialism

Is a school of thought that views gender differences as a reflection of biological differences between women and men.

Innately Competitive

Possessing a natural or inherent tendency to compete or strive for superiority or success against others.

Innately Nurturing

Describes an inherent quality or instinct in some beings to provide care and support to others, often used in the context of parenting or caregiving.