which of the following statements about the reentry phenomenon is correct? a. It can occur due to ischemia b. It can occur only in ventricles c. Can occur is the refractory period is longer d. All of the above are correct e. Only (a) and ( c ) are correct 2. In heart failure a. Systolic failure is associated with lower ejection fraction b. Valvular defects can lead to systolic dysfunction c. Increased thickness of myocardium man leads to diastolic dysfunction d. Severe tachycardia can lead to diastolic dysfunction e. All of the above are correct 3. Which of the following about silent myocardial ischemia are correct a. It is common in a diabetic patients due to neuropathy b. It might be involving a very small portion of the myocardium, so the pain is not felt c. It if frequently associated with the REM stage of sleep d. All of the above are correct e. Only (a) and (b) are correct
which of the following statements about the reentry phenomenon is correct?
a. It can occur due to ischemia
b. It can occur only in ventricles
c. Can occur is the refractory period is longer
d. All of the above are correct
e. Only (a) and ( c ) are correct
2. In heart failure
a. Systolic failure is associated with lower ejection fraction
b. Valvular defects can lead to systolic dysfunction
c. Increased thickness of myocardium man leads to diastolic dysfunction
d. Severe tachycardia can lead to diastolic dysfunction
e. All of the above are correct
3. Which of the following about silent myocardial ischemia are correct
a. It is common in a diabetic patients due to neuropathy
b. It might be involving a very small portion of the myocardium, so the pain is not felt
c. It if frequently associated with the REM stage of sleep
d. All of the above are correct
e. Only (a) and (b) are correct
4. Av nodal delay
a. Maintains cardiac output by allowing enough ventricular filling
b. Prevents excessive stimulation of ventricles
c. Is due to the fact that fibers that makeup the AV nodes are smaller in diameter
d. Allows ventricular repolarization
e. Only (a), (b), and (c ) are correct
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