[Solved] Which of the following pathophysiologic mechanisms may be activated as a result of a flail chest and increase the patient's respiratory rate? A) IV only B) III only C) I and II only D) II and IV only E) I, II, III, and IV Internet Search Engine: A software system designed to carry out web searches, which means to search the World Wide Web in a systematic way for particular information specified in a textual web search query. Pornography: Visual or written content intended to stimulate erotic feelings rather than aesthetic or emotional feelings. Mass Media: Diverse media technologies that reach a large audience via mass communication, including newspapers, television, radio, and the internet. Business Influence: The impact that companies or industries have on economic policies, consumer behavior, and the market environment.