A nurse is caring for a term macrosomic newborn whose mother has poorly controlled type 2 diabetes. The newborn has respiratory distress syndrome. The nurse should be aware that the most likely cause of the respiratory distress is which of the following?

Choice A reason: Calcium carbonate is not the compound that the nurse should have readily available, as it is an antacid that neutralizes stomach acid and relieves heartburn. Calcium carbonate is not used to treat severe preeclampsia or magnesium sulfate toxicity, which are the conditions that the client may have.

Choice B reason: Potassium chloride is not the compound that the nurse should have readily available, as it is an electrolyte supplement that replenishes potassium levels and prevents hypokalemia. Potassium chloride is not used to treat severe preeclampsia or magnesium sulfate toxicity, which are the conditions that the client may have.

Choice C reason: Ferrous sulfate is not the compound that the nurse should have readily available, as it is an iron supplement that prevents or treats iron deficiency anemia. Ferrous sulfate is not used to treat severe preeclampsia or magnesium sulfate toxicity, which are the conditions that the client may have.

Choice D reason: Calcium gluconate is the compound that the nurse should have readily available, as it is an antidote that reverses the effects of magnesium sulfate and restores calcium levels and neuromuscular function. Calcium gluconate is used to treat severe preeclampsia or magnesium sulfate toxicity, which are the conditions that the client may have.

Choice A reason: Disseminated intravascular coagulation (DIC) syndrome is not the correct answer, as it is a coagulation disorder that causes widespread clotting and bleeding in the body. DIC can occur as a complication of severe preeclampsia, but it is not indicated by the laboratory results. DIC would cause a low platelet count, but also a prolonged prothrombin time (PT) and activated partial thromboplastin time (aPTT), and a low fibrinogen level.

Choice B reason: Eclampsia is not the correct answer, as it is a seizure disorder that occurs in clients with severe preeclampsia. Eclampsia can occur as a complication of severe preeclampsia, but it is not indicated by the laboratory results. Eclampsia would cause a high blood pressure, but also a proteinuria, edema, and hyperreflexia.

Choice C reason: Hemolysis, elevated liver enzyme levels, and low platelet levels (HELLP) syndrome is the correct answer, as it is a variant of severe preeclampsia that affects the blood and the liver. HELLP syndrome is indicated by the laboratory results, as it causes a low platelet count, an elevated AST level, and a falling hematocrit. HELLP syndrome would also cause a high blood pressure, a proteinuria, and a right upper quadrant pain.

Choice D reason: Idiopathic thrombocytopenia is not the correct answer, as it is an autoimmune disorder that causes the destruction of platelets by antibodies. Idiopathic thrombocytopenia can affect pregnant women, but it is not related to severe preeclampsia or the laboratory results. Idiopathic thrombocytopenia would cause a low platelet count, but not an elevated AST level or a falling hematocrit.