A ____ is a low-pitched, soft scratching sound that occurs at any time during the cardiac cycle and indicates pericarditis, or an inflammation of the pericardial sac that surrounds the heart.

Which of the following conditions would the EMT recognize as an acute abdominal emergency?

A) Inflammation of the lower portion of the right lung B) Swelling of the brain and spinal cord C) Infection of the lining surrounding the heart D) Rupture of the bladder

When a child receives the attenuated measles vaccine, what historical science figure(s) contributed to its success?

A) Pasteur B) Jenner C) Ehrlich D) Both A and B E) All of the above