Which are characteristic of type A blood? a: Has anti-A antibodiesb: Has anti-B antibodiesc: Has surface antigen A on its erythrocytesd: Has surface antigen B on its erythrocytese: Has neither surface antigen A nor B on its erythrocytesf: Will agglutinate with blood type B

When the effects of one hormone reinforce the activity of another hormone on the same target cell, the interaction is said to be

Thyroid hormone synthesis involves secretion of a glycoprotein called ___________ by the follicular cells.

The part of the brain that functions as a “master control center” of the endocrine system is the

Eicosanoids are synthesized from

Parathyroid hormone release depends on blood levels of calcium. Such an endocrine reflex is said to be initiated by

The temperature of blood is about _________ than measured body temperature.

Interstitial fluid has a relatively _______ concentration of sodium and chloride; the concentrations of ions within the interstitial fluid and blood plasma are very ______.

Once a structure is fully grown and mature, it will probably

When blood oxygen is _____, erythropoietin is released, which ______ production of erythrocytes.