What does a nurse need before ordering equipment for a client?

What does "expectoration" mean?

A. Spitting up, coughing up, or clearing one's throat by coughing and spitting out collected mucus B. Vomiting or regurgitation of stomach contents C. Diarrhea or watery stools that is not caused by bacterial or viral agent, but instead by dehydration D. Hyperventilation caused by an excessive level of excitement or external agitation

Of the railcars listed below, which of the following is considered to be obsolete?

a. Covered hopper car b. Cryogenic liquid tank car c. High pressure tube car d. Nonpressure tank car without an expansion dome.