Vitamin D Is Unique Among the Vitamins Because

question 36

Multiple Choice

Vitamin D is unique among the vitamins because

• A) it is absorbed and transported via the lymphatic system.
• B) absorption requires bile and fat.
• C) it can be formed in the body by skin exposure to the sun.
• D) it can be stored.

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Definitions:

Tumor Necrosis Factor (TNF)

A cell signaling protein (cytokine) involved in systemic inflammation and is part of the immune system's response to infections and diseases.

Inflammatory Response

The body's biological reaction to harmful stimuli, infections, or injuries, aimed at eliminating the cause and restoring tissue health.

Cytokines

Small proteins released by cells, particularly those in the immune system, that act as signaling molecules to regulate immunity, inflammation, and hematopoiesis.

Type I Interferons

A subset of interferons, which are proteins released by host cells in response to the presence of pathogens, playing a key role in the immune response.