The physician orders haloperidol (Haldol) 2 mg intramuscularly for a patient who is experiencing a psychiatric crisis. Haldol 5 mg/mL is available. How many milliliters should the nurse give?
a. 0.3 mL
b. 0.4 mL
c. 1 mL
d. 1.5 mL
ANS: B
2 mg 1 mL = 0.4 mL 5 mg
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