Which step in vitamin D production does the kidney perform?

a)converts cholecalciferol into calcidiol
b)converts calcidiol into calcitriol
c)stores vitamin D
d)none of these


b)converts calcidiol into calcitriol

Anatomy & Physiology

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In the following enhanced CT of the abdomen, the arrow points to the:

A) lumbar artery. B) right crus of the diaphragm. C) psoas major. D) quadratus lumborum. E) inferior pole of the right kidney.

Anatomy & Physiology

Positive feedback mechanisms tend to enhance the original stimulus so that the response is accelerated

Indicate whether this statement is true or false?

Anatomy & Physiology

The heme from the hemoglobin removed from worn-out RBCs is converted into:

A) biliverdin B) transferrin C) amino acids D) erythropoietin

Anatomy & Physiology

Which of these is NOT a function of lymph nodes?

A) house lymphocytes and macrophages B) filter lymph C) produce red blood cells D) produce lymphocytes

Anatomy & Physiology