Which of the following is caused by reduced blood supply to the heart and is experienced as chest pain?

A ____ is software that the computer's operating system uses to interact with specific hardware.

A. USB drive B. driver C. power setting D. user account

According to the Institute of Medicine, how many deaths occur from medical errors annually in the United States?

A) 7,440 B) 19,000 C) 45,000 D) 98,000