The Active Hormonal Form of Vitamin D Is Synthesized by the Combined

question 23

Multiple Choice

The active hormonal form of vitamin D is synthesized by the combined action of the:

• A) skin, liver, and kidney.
• B) gallbladder, liver, and pancreas.
• C) thyroid gland, small intestine, and lymph system.
• D) colonic bacteria, kidney, and adrenal gland.