APA format is required. References should be listed immediately after the question that is being answered. Each question lists a minimum number of unique scholarly references; the textbook is considered one unique reference (per question) regardless of how many times it is used. All references should be from the years 2007 to present day.

1. Describe some factors that contribute to the capacity of an emergency room, as measured by the number of patients served per day. Use at least two unique references. Length: 4-5 paragraphs. 

2. What are the three steps in designing process layouts? Use at least two unique references. Length: 4-5 paragraphs.

3. What are the characteristics of self-managed teams? Use at least two unique references. Length: 4-5 paragraphs. 

4. Describe advantages and disadvantages of periodic review systems. Use at least two unique references. Length: 4-5 paragraphs. 

Please use the presentation attached for keywords and reference.