A pair of scissors is an example of a:

Which hormone released by the kidneys stimulates red blood cell production?

A) Erythropoietin B) Angiotensin II C) Natriuretic peptide D) Anti-diuretic hormone

_______ _______ must work with minimal training and equipment and are often the first on scene before all _______ have been addressed

Fill in the blank(s) with the appropriate word(s).