What Happens to Most of the Secreted T₄

question 177

Multiple Choice

What happens to most of the secreted T₄?

• A) It is phagocytized by target tissues.
• B) It is converted into T₃ after being peripherally stripped of one of its iodine atoms.
• C) It is the major biologically active form of thyroid hormone at the cellular level.
• D) It is split to form two DIT molecules, which are excreted in the urine.
• E) It is permitted to exert its full biological effect as a result of epinephrine's permissive actions.

---

Definitions:

Informal Reference Groups

Groups of individuals from whom one might seek guidance or influence informally, without formal membership or structure, such as friends, family, or colleagues.

Formal Reference Groups

Groups with a structured system of organization and a specific set of expectations that influence an individual's behavior and attitudes.

Marketers

Professionals involved in promoting, selling, and distributing a product or service.

Clothing

Textile items worn on the body, primarily designed for purposes such as protection, comfort, and social or cultural expression.