The Biological Half-Life of ¹³¹I in a Particular Patient Is

question 19

Multiple Choice

The biological half-life of ¹³¹I in a particular patient is 30 days.The physical half-life is 193 hours.If the patient's thyroid is counted with the thyroid probe detector, what effective half-life will be observed?

• A)26 days
• B)6.3 days
• C)5.1 days
• D)1.2 days

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Definitions:

Normal

Referring to something that conforms to a standard; typical, expected, or average.

Altruistic Feelings

Altruistic feelings are emotions that lead an individual to act in the interest of others, often at a cost or risk to oneself, driven by a selfless concern for the well-being of others.

Egoistic Feelings

Emotions centered around oneself, often reflecting concern with one's own interests rather than those of others.

Acts Of Helping

Behaviors or actions taken to assist, support, or benefit someone else without expecting anything in return.