Thyroxine (Tetraiodothyronine)

question 63

Multiple Choice

Thyroxine (tetraiodothyronine)

• A) is more potent than triiodothyronine in peripheral tissues
• B) is deiodinated in target cells to the biologically more potent triiodothyronine
• C) has no biological activity and is a form of hormone removed by kidneys
• D) is a transport protein for thyroid hormones

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Definitions:

Self-Actualization

The realization or fulfilment of one's talents and potentialities, considered as a drive or need present in everyone.

Physiological Needs

are the basic physical requirements for human survival, such as air, water, food, shelter, and sleep, forming the base of Maslow's hierarchy of needs.

Belongingness Needs

The innate human need to feel connected and accepted by others, often considered a fundamental human motivation.

Alderfer's Existence Needs

A component of Clayton Alderfer's ERG theory, focusing on the basic physical and material well-being requirements akin to Maslow's physiological and safety needs.