The Secretion of Thyroxine from the Thyroid Gland Is Regulated

question 47

Multiple Choice

The secretion of thyroxine from the thyroid gland is regulated by a hormone from the

• A) adenohypophysis
• B) neurohypophysis
• C) adrenal gland
• D) thymus gland
• E) pancreas

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Definitions:

Vitamin A Deficiency

A nutritional condition resulting from insufficient vitamin A intake, which can lead to vision problems and decreased immune function.

Night Blindness

A condition marked by difficulty seeing in low light or darkness, often due to a deficiency of vitamin A or retinal problems.

Alzheimer's Disease

A progressive neurodegenerative disorder characterized by memory loss, cognitive decline, and personality changes.

Dietary Supplement

A manufactured product intended to supplement the diet by providing nutrients, such as vitamins, minerals, or amino acids, that may be missing or may not be consumed in sufficient quantities.