Iodine-131 Has a Half-Life of 8

question 49

Multiple Choice

Iodine-131 has a half-life of 8.1 days and is used as a tracer for the thyroid gland. If a patient drinks a sodium iodide (NaI) solution containing iodine-131 on a Tuesday, how many days will it take for the concentration of iodine-131 to drop to 5.0% of its initial concentration?

• A)19 days
• B)0.81 day
• C)8.1 days
• D)35 days
• E)4.3 days

---

Definitions:

Global Village

A term coined to describe a world in which communication technology has virtually eliminated geographical distances, making the world more interconnected.

Indigenization

The process of adapting practices, methods, or knowledge to fit local cultural contexts, especially in reference to decolonization efforts and promoting local traditions in various fields.

Cosmopolitanism

Seeing culture as fluid, which helps individuals resist cultural homogenization.

Transnational Corporation

is a large company that operates and invests in multiple countries, often having a centralized headquarters but managing production or service facilities worldwide.