1. Why would a drug called renin inhibitors be effective in treating hypertension?

1. Why would a drug called renin inhibitors be effective in treating hypertension?

2. A toddler in Africa travels to a remote area with no access to clean drinking water. He drinks sewage water and soon develops severe diarrhea and dies 10 days later of cardiac arrest. Explain the possible physiological cause(s) of his death.

3. A patient with poor blood flow to the kidneys is treated with an ACE inhibitor and goes into renal failure. Explain the reason for the renal failure.