Inert gases provide no warning signs concerning the dangers of _________

Assessment of a 72-year-old man reveals absent lung sounds to the left lung accompanied by a sudden onset of sharp chest pain on the same side. When obtaining the history, which of the following statements made by his wife is MOST important?

A) "He has chronic obstructive pulmonary disease." B) "He has had a fever since last night." C) "He did not take his medications today." D) "He just saw his doctor yesterday."

____ involves establishing a best guess perimeter to contain the subject and limit the search area.

A. Attraction B. Bracketing C. Tracking D. Containment