BIPN100 Sheet 5 Answers

BIPN100 Sheet 5 Answers - Handout 5 w/ Answers I. Autonomic...

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Handout 5 w/ Answers I. Autonomic Nervous System Organs Sympathetic Fight or Flight Parasympathetic Heart - Muscle rate; contraction force (β 1 ) Why? Bring more O2 to tissues. rate; force of contraction Systemic arterioles Constricts or Dilates Why? Increase resistance for blood flow in certain areas to channel blood to less areas of resistance. So if muscle arterioles dilate others constrict, blood will flow to muscle. NONE Bronchioles Dilates (β 2 ) Why? Decrease resistance of air in/out Constricts Why? Trap bacteria from getting in lungs, mucous secretion. Mucous deals with it. Adrenal Medulla catecholamine secretion (NE) NONE Liver Breakdown of glucagon, Release glucose No glucose regulation Sweat glands sweating (α) 2 types: 1)localized (ex-palms) 2)thermoregulatory Hot-vasodilation- Cold vasoconstriction: turn pale NONE Salivary glands 2 ) Watery secretion GI peristalsis and secretion peristalsis and secretion Bladder Urinary retention (α, β 2 ) bladder contraction Penis Ejaculation Erection Eye Dilate (α) Constrict-lens round up
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Organs Sympathetic Fight or Flight Parasympathetic Heart - Muscle rate; contraction force (β 1 ) Why? Bring more O2 to tissues. rate; force of contraction Pupil Advantage? More light gets into eye. Also, If running away from a mad man, don’t need to focus your eye on anything while your booking it down the road. Able to focus on things,
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BIPN100 Sheet 5 Answers - Handout 5 w/ Answers I. Autonomic...

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