Baby K., age 14 months, has vomiting and diarrhea and is crying continuously because of what appears to be severe abdominal pain. The suspected cause is gastroenteritis caused by Staphylococcus aureus...

Baby K., age 14 months, has vomiting and diarrhea and is crying continuously because of what appears to be severe abdominal pain. The suspected cause is gastroenteritis caused by Staphylococcus aureus from milk custard that had not been properly stored. 1. Briefly describe how S. aureus in the custard could cause vomiting and diarrhea.

2. Describe the fluid and electrolyte imbalances that can be expected in Baby K.

3. What arterial blood gas levels would you expect to find in this child with gastroenteritis?

4. Describe the signs of dehydration that can be expected in a child.

5. Explain the process and factors involved by which a young child can quickly develop vascular collapse if vomiting and diarrhea are severe.

6. Explain why water alone would not be adequate treatment for the child.