PhysIIpractice questions

PhysIIpractice questions - Test 1 exam questions 18: q...

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Test 1 exam questions 18: q increases except. ...? answer: parasympathetic tone 19: a bolus of epinephrine increases? increases p. arterial vasculature 20: alpha adrenergic agonists? Inhibits VSM, decreases preload 21: I think this is just the answer. acts on the uptake of cytoplasmic Ca into the SR. 1. Q: Atropine RX blocks Ach Muscarinic receptor. An infusion into a normal person would ? A: Increase HR 100 bpm 2. Q: After infusion of Atropine, STRONG stimuli carotid sinus barorecptro you would expect? A: Fall in pressure smaller because the fall in HR would be smaller. 3. Q: Infusion of an agent which markedly increase blood oncotic pressure would cause ? A: An increase in the reabsorption into the capillaries 4. Q: Vasodilation of the arterioles supply a bed (with no change in oncotic pressure) would? A: all above (Increase radius of arteriole, decrease in the resistance of the artery, increase the blood flow in that bed, increase filtration in the capillaries of that bed.) Randoms: 27. Q: Ventricular repolarization is reflected in an ekg tracing as which of the following? A: T wave 29. Q: A prerequisite for a “slow” heart cell is? A: phase O depolarization due to changes in the sodium conductance
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31. Q According to Lakatta, change in the MP that occur during phase 4 depolarization of SA nodal AP reflect which ionic event? A: Ca sparks 32. Q Troponin C binds Ca resulting in what? A: not sure Questions 1-4 RED exam: 1. Pulse pressure would best be described as the difference between systolic blood pressure and which of the following: Diastolic blood pressure 2. Most of the blood resides in the: Veins 3. Calcium transient refers to which process in the heart cells? Calcium released from junctional SR, removed by SERCA 4. Variations in the volume of blood in the heart during diastole will affect which protein function: Actinomycin ATPase 5, Which of the following has the greatest effect on contactility? (sympathetic tone)
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This note was uploaded on 12/03/2009 for the course PSL 431 taught by Professor Stephenson during the Spring '07 term at Michigan State University.

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PhysIIpractice questions - Test 1 exam questions 18: q...

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