1. Explain the renin - angiotensin- aldosterone system (RAAS). Be sure to describe the role of...

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Medical Sciences

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:

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Juxtaglomerular cells are specialized smooth musclecells situated in the wall of afferent arteriole justbefore it enters the Bowman capsule These smooth muscle cells aremostly present in tunica media and tunica adventitia of the wall ofthe afferent arterioleFUNCTIONS OF JUXTAGLOMERULAR APPARATUSPrimary function of juxtaglomerular apparatus is the secretionof hormones It also regulates the glomerular blood flow andglomerular filtration rateJuxtaglomerular apparatus secretes twohormones1 Renin2 ProstaglandinRenin Juxtaglomerular cells secrete reninwhich along with See Answer

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