In which application method does the operator direct the foam stream onto an elevated object, allowing the foam to run down and onto the surface of the fuel?

All of the following conditions refer to when exposed parts of the body become very cold, but not frozen, except:

a. frostnip b. trench foot c. immersion foot d. frostbite

Spirometry results reflect all of the following EXCEPT ________.

A. the patient's ability to breathe air into the lungs. B. the elasticity of the patient's lungs. C. the patient's ability to blow air out of the lungs. D. the strength of the patient's respiratory muscles.