How is the gram-equivalent (gEq) weight of a substance computed?
a. Dividing its gram atomic weight by its va-lence
b. Dividing its valence by its gram atomic weight
c. Multiplying its atomic number times its atomic weight
d. Multiplying its gram atomic weight times its valence
ANS: A
Gram equivalent weight values. A gEq of a substance is calculated as its gram atomic (formula) weight divided by its valence. The valence signs (+ or –) are disregarded.
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A commonly performed test that provides the clinician with an estimate of the patient's red cell volume and the blood's oxygen-carrying capacity is the ____________________.
Fill in the blank(s) with the appropriate word(s).