A: The mean arterial pressure of a normal young adult averages about 100 mmHg.
B: Depends solely on the cardiac output.
C: Is the arithmetic average of the systolic and diastolic pressures.
D: Is due to the vascular resistance of the capillaries.
举一反三
- In a cardiac cycle, the average value of arterial blood pressure is<br/>called () A: Systolic pressure B: Diastolic pressure C: Pulse pressure D: Mean arterial pressure E: Central venous pressure
- Which of the following about arterial blood pressure is correct? A: Average arterial pressure is the average of systolic and diastolic blood pressure. B: The variation of aortic pressure and left ventricular pressure is the same. C: The variation of aortic pressure and left ventricular pressure is the same. D: Arterial blood pressure increases with age in both men and women.
- Under normal circumstances, the arterial diastolic pressure mainly reflects peripheral resistance.
- The reliable variables reflecting tissue perfusion are () A: Central venous pressure B: Mean arterial pressure C: Systemic vascular resistance D: Venous oxygen saturation E: Pulmonary capillary wedge pressure
- Which<br/>has the biggest effect on diastolic arterial pressure ? ( ) A: stroke<br/>volume B: peripheral<br/>resistance C: large<br/>artery elasticity D: cardiac<br/>pump function E: vascular<br/>filling
内容
- 0
The pressure measured in either the arterial or the venous<br/>circulation when the heart has stopped long enough to allow the<br/>pressures to equalize is called the () A: hemodynamic pressure B: mean arterial pressure C: transmural pressure D: mean circulatory filling pressure E: hydrostatic pressure
- 1
The long-term regulation of arterial blood pressure mainly depends on baroreceptive reflex.
- 2
Under normal circumstances, the arterial diastolic pressure mainly reflects peripheral resistance. A: 正确 B: 错误
- 3
Which the following statement about the change of blood pressure is<br/>wrong() A: Clip the side of the common carotid artery, and cause to raise blood<br/>pressure B: Arterial blood pressure is elevated when the sympathetic nerve is<br/>excited C: Vagus nerve inhibits heart activity and lowers arterial blood<br/>pressure D: The excitation of vagus nerve enhances heart activity and arterial<br/>blood pressure elevated E: Intravenous epinephrine, blood pressure rise
- 4
The long-term regulation of arterial blood pressure mainly depends on baroreceptive reflex. A: 正确 B: 错误