The development of gas bubbles within the body at high altitudes is best explained by:

A. Boyle's law

B. Charles's law

C. Henry's law

D. Dalton's law

C. Henry's law

During a rapid decompression, the rapid change in temperature is best explained by:

A. Boyle's law

B. Charles's law

C. Henry's law

D. Dalton's law

B. Charles's law

Positive G forces

Blood pools in the lower extremities increasing intravascular pressures and stagnant hypoxia. Can occur during rapid ascent, or turbulence that forces the aircraft upward rapidly.

Negative G forces

blood pools in the upper body and may precipitate a headache. Can occur during rapid descent, or turbulence that forces the aircraft downward rapidly.

You are exposed to 92 decibels at work, what is the maximal time of unprotected exposure allowed before you are at risk?

A. 1 hour

B. 2 hours

C. 3 hours

D. 4 hours

B. 2 hours

Decompression sickness is associated with which gas law?

A. Boyles law

B. Charles's law

C. Henry's law

D. Graham's law

C. Henry's law (evolved gas disorders)

Which of the following IABP timing errors would prevent adequate coronary perfusion?

A. Late inflation

B. Late deflation

C. Early inflation

D. Early deflation

A. Late inflation

(Early deflation causes a vacuum effect)

The opening of which heart valve is associated with arterial systole?

A. Mitral valve

B. Tricuspid valve

C. Aortic valve

D. Bicuspid valve

C. Aortic valve