You have completed a chest radiograph on a 2-month-old infan…

You have completed a chest radiograph on a 2-month-old infant using a restraining device at a 72” SID. Because of the design of the device, your OID is suboptimum. The image reveals good resolution of the bony anatomy, but the pulmonary vasculature is blurred. The image receptor was properly exposed. In an effort to improve the quality of the repeat image, the competent radiographer would

Acute kidney injury is a rapid decline in renal functioning…

Acute kidney injury is a rapid decline in renal functioning and resultant azotemia.  Causes of acute kidney injury are divided into the following categories prerenal, intrarenal, and post renal causes.  A prerenal cause of kidney injury is which of the following?