单选题
Which
of the following statements is the most consistent with the
definition of heart failure? ()
A: Stroke volume is decreased
B: The volume of venous return is greater than that of cardiac output
C: Cardiac output cannot meet body’s requirement for metabolism
D: Heart dysfunction results in congestion in pulmonary and systemic
circulation
Which
of the following statements is the most consistent with the
definition of heart failure? ()
A: Stroke volume is decreased
B: The volume of venous return is greater than that of cardiac output
C: Cardiac output cannot meet body’s requirement for metabolism
D: Heart dysfunction results in congestion in pulmonary and systemic
circulation
举一反三
- What<br/>is heart failure? () A: condition in which the heart stops beating B: condition in which the heart cannot pump enough blood to meet the<br/>body's needs C: heart<br/>attack D: condition in which the patient experiences chest pain E: none<br/>of above
- Which of the following are the causes of congestion? A: Local venous compression B: Local or systemic venous obstruction C: Cardiac failure D: Increase of vasoactive substances
- 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
- After trauma, about functional<br/>change of vital organ,whichof the following<br/>is wrong? () A: Heart: Catecholamine<br/>increases heart<br/>rate. Anoxia,<br/>acidosis→ the injuries of cardiac muscle. B: Lungs: The<br/>ventilation-perfusion imbalance→ ARD C: Kidneys: Renal failure,<br/>oliguria ( D: Brain: Edema, The encephalic<br/>pressure increases.
- A 59-year-old male presented with palpitation, weakness, seated<br/>aspiration, and a diagnosis of chronic congestive heart failure. He<br/>was treated with cardiac glycosides. Which of the following is the<br/>reason for the patient's use of cardiac glycosides() A: Directly activating inhibitory porton pump B: Inhibit H+-K+-ATPase C: Directly excite the heart D: Inhibit Na+-K+-ATPase E: Prolong the opening time of calcium channel