Following traumatic bilateral leg amputations, the 5-year-old child requires a STAT blood transfusion to treat hemorrhagic shock. The child's blood type is unknown. Which action is most appropriate? 

A patient with septicemia acutely develops a deep vein thrombosis and pulmonary embolism. No evidence of hemorrhage is noted. Laboratory studies have revealed prolonged clotting times, moderate thrombocytopenia, and an elevated D-dimer level. A diagnosis of disseminated intravascular coagulation is made. Administration of which of the following therapies will be most effective at resolving this patient’s DIC?

A patient presents to the emergency department complaining of intractable epistaxis. Upon assessment, the nurse notes petechiae and ecchymosis covering the patient’s chest and arms. The patient is otherwise well. Laboratory results are normal with exception of the patient’s platelet count, which is abnormally low (29,000/microL). The nurse anticipates an order for which medication?