1. Explain the renin - angiotensin- aldosterone system(RAAS). Be sure to describe the role of each organ, hormone, andenzyme involved, as well as elaborate on why such a system isnecessary even though the kidney is able to regulate glomerularfiltration rate through vasoconstriction and vasodilation of theafferent and efferent arterioles.
2). This man has a long history of infectiousbronchitis. Why would this chronic smoker be especially susceptibleto infections of the bronchi?
3). Explain why this man has bloody sputum(hemoptysis).
4). More than 90% of all cancers (any type: skin,breast, esophageal, lung, etc.) arise from epithelial tissue. Whydo you suppose this is the case?
5). if there is an increase in systemic bloodpressure, the kidneys respond by causing:
