The onset of menopause leads to a sudden and dramatic loss of bone due to the lack of

A 36-year-old patient has overdosed on an unknown drug and is unresponsive. He is breathing shallowly at 6 times per minute. He has cyanosis around his lips and to his fingertips. His skin is cool to the touch, and his radial pulse is rapid. His breath sounds are diminished but clear. The EMT should recognize which one of the following respiratory conditions?

A) Hypoxia B) Tachypnea C) Bronchospasm D) Apnea

An ST segment that is more than 1 mm above the isoelectric line:

A) indicates myocardial ischemia. B) is clinically insignificant in lead II. C) must be substantiated by a 12-lead ECG. D) is a definitive sign of myocardial injury.