L9 Pressures : P_ip is +ve and > P_alv in active expiration ; as it limits bronchial air flow Reverse in active inspiration to act as a suction cup to overly inflate the lungs STL PCS = sympathetic thoraco lumbar Angiotensin II inc SV, raises BP , vasoconstrictor, stimulates aldosterone {heart contractiler + inc BV BP} , stimulates thirst center, ADH release and increasing of water intake ANP dec BP n BV 6. The type of hypoxia caused by pulmonary embolism . A. arterial hypoxia Cl- principal anion in intracellular fluid Adrenal medulla – sympathetic preganglionic cholinergic fibers Systemic venodilation dec venous return Stimulation of aortic baroreceptor will result in inc activity of parasympathetic system NO plays main role in GFR inc Primary H+ sec – intercalated ; 2ndary H+ sec - PCT