Physio, Cardiovascular Quiz 1

Aortic pressure tracing is highest at which phase of cardiac cycle

During iso volumetric contraction, what happens

Which of the following fill ventricles maximum with blood

Cardiac cycle

The iso-volumetric relaxation stops when

The pressure differential between heart and aorta is least likely in the

Maximum ventricle is filled ruing

Heart sound produced by rapid ventricular filling is

2nd heart sound is produced due to

S2 splitting occurs due to

Heart sound produced by rapid ventricular filling is

Difference between first and second heart sounds is

Regarding heart sounds

sound of mitral valve is best heart at

S3 is produced by

The fourth heart sound is caused by

3rd heart sound is due to

Patient’s ECG shows incresing PR interval and then a missed beat. Diagnosis is

QRS complex is due to

Mean electrical axis of heart is deviated to left if

ECG changes can be seen in the following conditions except

Saw tooth waves seen in

Regarding ECG following is true

QRS complex is prior to

On ECG P wave and QRS complex with ratio of 3 : 1 is

In which of the following conditions, atrial repolarization is evident on EGG

Regarding parasympthetic stimulation, true is

A patient has come to ER with heart rate of 40/min diagnosis is

All of the following are the electrocardiographic features of severe hyperkalemia except

Hypo calcemia is characterized by all of the following

The ECG waves are predominantly negative in

In complete heart block

T-wave on ECG represents

U wave in ECG is due to

Regarding atrial flutter, most appropriate statement is

Regarding mobitz type 2, true is

In atrial fibrillation, there is

Isoelectric segment of ECG during which the complete ventricular depolarization occurs is

In type 2 heart block, which of the following can be seen

ECG changes of hypokalemia all except

Decreased PR interval is seen in

In ECG

PR interval shows

ECG characteristic include

Electrical potential change in ECG is due to

In pacemaker for complete heart clock, terminals should be in

Fastest conducting fibers in heart

A man has a pulse rate of 72/min. His lumpulse for this rate is originated in

SA node acts as a pacemaker of the heart because of the fact that it

SA node activity decreased by parasympathetic increase in

The pacemaker potential is due to

Which of the following is the correct order of activation afer stimulation of Purkinje fibers

Which of the following has a slowly depolarizing pre-potential

Ventricular muscle receives impulses directly from

Action potential along a nerve is propa gated due to

Resting membrane potential of heart

Regarding cardiac muscle action potential, which is most likely

Inhibition of heart rate will be in

Cardiac output measured by thermodilution method is called

End diastolic volume depends on

Ventricular preload is measured by

About stroke volume, what is true

Cardiac index is

Best indicator of preload is

Cardiac output is decreased in

Cardiac output is decreased in all except

Calculate ejection fraction if HR : 70, CL: 5.6L, EDV: 160 ml

An athlete at rest has

Cardiac output main determinant is

If ejection fraction is increase, there will be

Cardiac output increases more in

END diastolic volume is

Ejection fraction is normally

The work performed by left ventricle is greater than right ventricle. Because in left ventricle