A woman in labor at 34 weeks of gestation is hospitalized and treated with IV magnesium sulfate for 18 to 20 hours.
When the magnesium sulfate is discontinued, which oral drug will probably be prescribed for at-home continuation of the tocolytic effect?

A) Ritodrine
B) Terbutaline
C) Calcium gluconate
D) Magnesium sulfate

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Is a fossil fem that support wegener's hypothesis of continental drift a. gondwanded b. kannemerid c. mesosaurus d. glossopters

Match each law or principle to its description. 1. law of original horizontality sediment continues to spread in a flat plane until it hits an edge or runs out of material. 2. law of superposition the youngest strata are at the top and the oldest are at the bottom. 3. law of original lateral continuity sediment gets pulled down by gravity in a horizontal and flat layer. 4. law of cross-cutting or intrusive relationships if there is a fracture or intrusive feature seen in rock strata, it is younger than the rock strata.