A woman in preterm labor at 30 weeks of gestation receives two 12-mg doses of beta-methasone intramuscularly. The purpose of this pharmacologic treatment is to:
a. Stimulate fetal surfactant production.
b. Reduce maternal and fetal tachycardia associated with ritodrine administration.
c. Suppress uterine contractions.
d. Maintain adequate maternal respiratory effort and ventilation during magnesium sulfate therapy.
A
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A Antenatal glucocorticoids given as intramuscular injections to the mother sti-mulates fetal lung maturation.
B Inderal would be given to reduce the effects of ritodrine administration.
C Betamethasone has no effect on uterine contractions.
D Calcium gluconate would be given to reverse the respiratory depressive effects of magnesium sulfate therapy.
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