The Trophic Hormone That Controls the Release of T4 (Thyroxine)

question 9

Multiple Choice

The trophic hormone that controls the release of T4 (thyroxine) and T3 (triiodothyronine) is secreted by

• A) Acidophilic cells
• B) Basophilic cells
• C) Chromaffin cells
• D) Chromophobic cells
• E) Follicular cells

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Definitions:

Longitudinal Design

A special kind of systematic observation, used by correlational researchers, that involves obtaining measures of the variables of interest in multiple waves over time.

Preschoolers

Young children typically between the ages of 3 and 5 years who are in the developmental stage before attending kindergarten.

Experimental Studies

Research methodologies that involve the manipulation of variables to observe the effect on another variable, typically within a controlled environment.

Causality

The relationship between cause and effect where one event (the cause) leads to the outcome (the effect), fundamental to scientific and philosophical inquiry.