the followings are the mechanisms of ventricular diastolic
dysfunction? ()
A: Delayed
restoration of Ca 2+
B: Reduced
diastolic potential energy of ventricles
C: Dysfunction
of excitation-contraction coupling
D: Reduced
ventricular compliance
E: Disorder
of dissociation of myosin-actin complex
举一反三
- Which<br/>of the followings is the main mechanism of decreased myocardial<br/>contractility induced by acidosis, hyperkalemia?() A: myocardial<br/>energy generation disorder B: myocardial<br/>energy utilization disorder C: myocardial<br/>energy storage disorder D: disorder<br/>of excitation-contraction coupling E: contractive<br/>proteins destruction of myocardium
- In<br/>clinic, which of the followings is the most common factor of<br/>myocardial energy generation disorder? () A: myocarditis B: cardiomyopathies C: myocardial<br/>ischemia and hypoxia D: pericardial<br/>tamponade E: acidosis
- 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
- 原发性高血压的心脏并发症中,最常见且首先出现的是:() A: Angina<br/>pectoris B: Arrhythmia C: Left<br/>ventricular enlargement D: Left<br/>ventricular hypertrophy E: Heart<br/>failure
- Among<br/>the following clinical manifestations of uremic patients, which is<br/>mainly caused by renal endocrine dysfunction [] A: Gastrointestinal<br/>symptoms B: Anemia C: Azotaemia D: Neurological<br/>symptoms E: Metabolic<br/>acidosis
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For investors, there are three disadvantages to<br/>call provisions except ____? A: The<br/>cash flow pattern cannot be known with certainty B: The<br/>investor is exposed to reinvestment risk C: The<br/>movement of the present value of the bonds’ cash flow is not<br/>certain D: The<br/>capital appreciation potential of a bond will be reduced
- 1
Among the<br/>following local anesthetics, which one can be used to treat<br/>ventricular arrhythmias? () A: Bupivacaine B: Lidocaine C: Tetracaine D: Procaine E: Ropivacaine
- 2
What are alterations of<br/>metabolism and function in DIC (disseminated intravascular<br/>coagulation)? () A: shock B: bleeding C: organ dysfunction D: fever E: microangiopathic hemolytic<br/>anemia
- 3
Which of the following cell activities need energy consumption? <br/>() A: Maintain normal resting potential B: A large amount of Na+<br/>influx occurs when the threshold potential is reached C: K+<br/>outflow in repolarization phase of action potential D: Ca2+<br/>in the cytoplasm of skeletal muscle accumulates into the sarcoplasmic<br/>reticulum E: Uneven distribution of Na+<br/>and K+<br/>inside and outside the cell
- 4
Which<br/>period does William Shakespeare belong to? ____ A: Anglo-Saxon<br/>period B: Norman<br/>Period C: Elizabethan<br/>Period D: Restoration<br/>Period