Be aware of the ____________ in mission, crew training, and capabilities of helicopters that do air medical care and those of helicopters that do rescue

Elevation of the rib cage during inhalation occurs when:

A. the diaphragm descends. B. abdominal contents descend. C. intrathoracic pressure decreases. D. the intercostal muscles contract.

Which of the following statements about the American National Standards Institute (ANSI) is MOST accurate?

A. ANSI develops many of the performance standards used in North America. B. ANSI standards are always adopted by the Standards Council of Canada. C. ANSI does not develop consensus standards; it accredits member organizations that do. D. ANSI is primarily a testing laboratory that does not develop consensus standards.