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In acute heart failure, which of the following compensatory mechanisms is not possible:
选项：

A:increased heart rate
B:Tonogenic Dilation
C:sympathetic excitation
D:myocardial hypertrophy
E:redistribution of blood flow

发布时间：2024-06-13 20:23:33

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1.In heart failure, which of the following compensatory modes is not the compensatory mode of the heart itself? 选项：A、Increased heart rate B、Increase of cardiac contractility C、Redistribution of blood flow D、Tonogenic dilation E、Myocardial hypertrophy
2.Which of the following alteration cannot appear in acute heart failure? 选项： A、Increased heart rate B、Decreased blood pressure C、Pale skin D、Myocardial hypertrophy
3.Which of the following alteration cannot appear in acute heart failure?选项： A:Increased heart rate; B:Decreased blood pressure; C:Pale skin; D:Myocardial hypertrophy
4.Which of the following alteration cannot appear in acute heart
failure? () 选项： A、Increased heart rate B、Decreased blood pressure C、Pale skin D、Myocardial hypertrophy
5.Which of the following is normally associated with an increased venous return of blood to the heart? A: Decreased mean systemic filling pressure B: Acute large vein dilation C: Decreased sympathetic tone D: Increased blood volume
6.Which of the following is normally associated with an increased venous return of blood to the heart? 选项： A:Decreased mean systemic filling pressure; B:Acute large vein dilation; C: Decreased sympathetic tone; D: Increased blood volume
7.Which of
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10.Which of the following statements about the effect of the sympathetic nerve on the heart is correct（）选项： A:Enhance myocardial contractility B:Increase heart rate C:Increase the conduction velocity D:Reduce stroke volume E:Slow heart rate
11.Highpressure heart failure( ) 选项： A、Cause hypertrophy of the cardiac muscle fibers B、If the overload of the heart is prolonged from the increased pressure, it could lead to heart failure C、 Is compensated initially by an increase of heart rate D、The thickening of the ventricular walls occurs E、All of these are correct
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23.A 22-year-old man enters the hospital emergency room after severing a major artery in a motorcycle accident. It is estimated that he has lost approximately 700 ml of blood. His blood pressure is 90/55 mm Hg. Which of the following sets of changes would be expected in response to hemorrhage in this man?选项： A:Heart rate↑, Sympathetic nerve activity↑, Total peripheral resistance↑.; B:Heart rate↓, Sympathetic nerve activity↑, Total peripheral resistance↑.; C:Heart rate↑, Sympathetic nerve activity↑, Total peripheral resistance↓.; D:Heart rate↓, Sympathetic nerve activity↓, Total peripheral resistance↓.

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In acute heart failure, which of the following compensatory mechanisms is not possible: 选项：A:increased heart rate B:Tonogenic Dilation C:sympathetic excitation D:myocardial hypertrophy E:redistribution of blood flow

In acute heart failure, which of the following compensatory mechanisms is not possible:
选项：

A:increased heart rate
B:Tonogenic Dilation
C:sympathetic excitation
D:myocardial hypertrophy
E:redistribution of blood flow