A 45-year-old male with a history of recurrent flank pain pr…

A 45-year-old male with a history of recurrent flank pain presents to the emergency department with a sudden onset of severe, colicky left flank pain radiating to his groin. He also reports associated nausea, vomiting, and visible blood in his urine. An ultrasound of the left kidney is performed , what is the most likely diagnoses?   

There was a fatal accident at Six Flags. The Tatsu rollercoa…

There was a fatal accident at Six Flags. The Tatsu rollercoaster broke and 6 chairs broke off. Fortunately, 3 people survived. These people experienced major injuries and lost a significant amount of blood. One person is blood type A-, the other is AB+, and the other is AB-. Who can donate to all of these patients?