The first line of defense to buffer rapid changes of plasma calcium is:

The receptor for parathyroid hormone is:

Thyrocalcitonin

Parathormone

High plasma level of thyroxin:

A person with hypothyroidism would exhibit:

Hyperthyroidism is manifested by

Cretinism is:

The active form of vitamin D is:

Plasma levels of calcium can be increased most rapidly by the direct action of parathyroid hormone on which of the following?

Hyperparathyroidism decreases the plasma levels of:

Actions of cortisol include:

Cortisol

Cortisol actions include:

Aldosterone secretion is increased by:

Regarding insulin hormone:

Glucagon hormone:

Insulin hormone:

Cushing syndrome patient (hypercorticism) shows:

All the following hormones are very important for growth except: