A pregnant patient is in premature labor. Which class of drug will she be given?

a. Alpha1 agonist
b. Anticholinergic
c. Beta2 agonist
d. Beta2 antagonist


ANS: C
Beta2 agonists cause relaxation of uterine muscle, slowing or stopping the contractions that precipitate labor. An alpha1 agonist would have effects on the heart and arterioles. Anticholinergic drugs generally are given for their effects on the urinary and GI tracts and do not affect uterine muscle. A beta2 antagonist would cause increased constriction of uterine muscle.

Nursing

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The nurse has presented a class on reproduction at a college

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