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Explain the Baroreceptor Reflex and how it regulates BP & HR. What are the receptors and neural pathways involved?
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- List the effects of sympathoadrenal stimulation on different effector organs. In each case, indicate whether the effect is due to alpha- or beta-receptor stimulation.What is the importance of the baroreceptor reflex to our daily activities?Discuss.What is the direct effect (prior to any reflex compensation) of administeringintravenously a selective beta 1 receptor agonist?A)Increased heart rate, stroke volume and total peripheral resistance.B)Increased total peripheral resistance and renin secretion.C)Increased heart rate and stroke volume.D) Increased total peripheral resistance and decreased renin secretion.E) Decreased renin secretion, total peripheral resistance and heart rate.
- describe the mechanism for the anti-pain activity of aspirin. make sure to state its target and the metabolic pathway affectedDescribe the activation of the β2 (beta2) adrenergic receptor, and briefly explain how this leads to increased breakdown of glycogen stores in muscle.Parasympathetic activation can result in all of the following EXCEPT __________.A.constriction of the pupils and bronchiB.decreased blood pressureC.decreased function of the gastrointestinal tractD.decreased heart rate
