Oxygen-15 Is A $\beta$ + Emitter That Is Often Used in PET Scans

question 10

Multiple Choice

Oxygen-15 is a $\beta$ + emitter that is often used in PET scans.It has a half-life of 122 seconds.Calculate how long it takes for the patient's initial activity to be reduced by a factor of 100.

• A)203 mins
• B)1.22 \(\times\) 10⁴ mins
• C)13.5 mins
• D)8.13 mins
• E)None of these is correct.

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Definitions:

Psychiatrists

Medical doctors specialized in diagnosing, treating, and preventing mental, emotional, and behavioral disorders through medication, psychotherapy, and various other treatments.

NCRMD Criteria

Legal standards used to determine if an individual’s mental state at the time of a crime qualifies them for a Not Criminally Responsible on account of Mental Disorder defense.

Involuntary Civil Commitment

A legal process through which individuals with severe mental disorders are court-ordered to receive treatment in a psychiatric hospital against their will, usually because they are considered a danger to themselves or others.

Conviction

A firmly held belief or opinion or the formal declaration that someone is guilty of a criminal offense, made by the verdict of a jury or the decision of a judge in a court of law.