help me plz senior writer

For this assignment, make sure you post your initial response to the Discussion Area by Saturday, October 5, 2013.

 

To support your work, use your course and text readings and also use outside sources. As in all assignments, cite your sources in your work and provide references for the citations in APA format.

Start reviewing and responding to the postings of your classmates as early in the week as possible. 

Fluid, Electrolyte, and pH Balance

Utilizing knowledge from your learning and assigned readings, respond to the following questions:

1. Why does maintaining fluid balance in older people require a higher water intake than in a normal, healthy adult under age 40?
2. Why does potassium concentration rise in patients with acidosis? What is this called? What effects does it have?
3. Saline solution is used to reverse hypotonic hydration. Are body cell membranes permeable to saline? Explain your response.
4. Explain the renin-angiotensin mechanism.
5. Explain how ADH compensates for blood that contains too many solutes.