Here is a sample of the answers for Chapter 4 of the Egan’s Workbook. For rest of the answers, check out our Workbook Helper. We have both the 10th and 11th Edition available.

1. A. HAI: infections that patients acquire during the course of medical treatment., B. 1.7 million infections; approximately 5% of all patients 

2. Many infections involve the lung and are fatal, and so HAIs are important to respiratory therapy. 

3. A. Source or reservoir, B. Susceptible host, C. Route of transmission 

4. A. Rubella, B. Measles, C. Varicella, D. Hepatitis B, E. Pertussis 


For the rest of the answers, check out the Workbook Helper

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10th & 11th Edition