Contrast media are routinely introduced:

Which of the following is a serious complication of a fall with chest injuries suffered by a 75-year-old male?

A) Blood clots B) Bruised ribs C) Collapsed lungs D) Pneumonia

A check that is so old when presented for payment that it is no longer valid is called a(n)

A) postdated check. B) old voucher. C) stale check. D) warrant.