Which statement is true regarding blood transfusions? blood transfusions were common practice in the seventeenth century. they routinely infused human blood into animals. blood transfusions were performed by infusing sheep's blood into humans; in the eighteenth century, they were common and highly successful. in the seventeenth century, blood transfusions were rarely done and often fatal; they were outlawed until the nineteenth century. a blood transfusion is a lifesaving procedure that was developed and perfected in the nineteenth century.

If gloves become heavily soiled and additional patient care tasks must be performed on that patient, what should you do? a. no action is necessary as it's the same patient b. change gloves c. double glove d. wash the gloves

Is it bad to have a headache all day long?

A62-year-old man is being treated for an acute myocardial infarction. he originally came to the ed with substernal chest pain and diaphoresis. given his risk factors of hypertension, diabetes, tobacco use, and family history, he is considered high risk. an ecg in the ed reveals a left-bundle branch pattern, and cardiac enzymes are elevated slightly. after a focused evaluation in the ed, the patient receives iv thrombolytics. although his bundle branch pattern never resolves, the patient is chest pain-free and haemodynamically stable after thrombolysis. two days later, however, the patient reports episodes of recurrent chest discomfort and shortness of breath overnight. in evaluating for potential myocardial reinfarction, which of the following is the most appropriate diagnostic test? - creatinine kinase- dynamic ecg changes- lactate dehydrogenase- myoglobin levels- troponin i level