A serum digitalis level is needed to evaluate whether the patient has reached a therapeutic level. Which is an acceptable therapeutic level for digoxin?
a. 2.5 ng/mL
b. 3.0 ng/mL
c. 0.2 ng/mL
d. 0.5 ng/mL
ANS: D
The serum level of digoxin needed to achieve a therapeutic effect is 0.5 to 2 ng/mL (nanogram/milliliter). The toxic serum level is 2.5 ng/mL.
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Indicate whether the statement is true or false