Case Study 1 Following a cold, Mr. O developed sinusitis and otitis media. The n

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Case Study 1 Following a cold, Mr. O developed sinusitis and otitis media. The nasal secretions changed from thin, clear, and colorless to thick, yellow-green mucus. Fever and sore throat developed, as well as pain around his eyes and in the right ear Discussion Questions T. Discuss the types of diagnostic tests that can be used to reveal the type and cause of the infections. (See Diagnostic Tests.) 2. If the diagnostic tests reveal the presence of high numbers of staphylococci, discuss the probable conditions that are producing the given signs and symptoms. (Se Clinical Signs and Symptoms of Infection.) Now that the sinusitis and otitis media have been diagnosed, discuss the probable course of treatment. (See Antimicrobial Drugs.) 3. 4. Discuss some of the potential problems, such as opportunistic infections, drug allergies, and antibiotic resistance, associated with the use of antimicrob (See Antimicrobial Drugs-Guidelines for Use.) Case Study 2 Ms. R. a 25.year-old health care worker from Chicago, volunteered for work in Haiti with her church group following the earthquake. She observed a high incidence of measles in infants in the tent cities set up for survivors. Discussion Questions 1. Identify factors that would promote the transmission of measles in this case. 2. For each factor, suggest a preventive measure that could be undertaken. 3. Is Ms. R at risk for measles? Why or why not? 4. How has host resistance been reduced in the Haitian population?

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