The chamber of the heart that pumps oxygenated blood to the body is the:

One of the classic signs of moderate to severe respiratory distress is the:

A) inability to walk. B) inability to speak in full sentences. C) inability to sit down. D) inability to stand up.

Resident flora occupy the deeper layers of the epidermis and must be reduced when performing invasive procedures and surgery

Indicate whether the statement is true or false.