The patient is admitted to the hospital after fainting at home. Blood tests reveal a hypochromic, microcytic anemia with a large amount of fetal hemoglobin. Thrombocytopenia is noted as well. The lymph nodes, spleen, and liver are all within normal limits for size and consistency. A blood transfusion and platelet transfusion are administered, with less than expected results. The nurse anticipates administering antithymocyte globulin in response to which result?   

The baby born at 40 weeks gestation requires substantial resuscitation at birth and remains a critically ill neonate. Initial testing reveals a diagnosis of E. coli sepsis. Until further testing is completed, the nurse avoids administering which substance?

A 45-year-old overweight patient has a fasting blood glucose level of 130 mg/dL. Which is the initial therapy for this patient?