Related InterviewSolutions

• The volume of blood that enters into the aorta with each ventricular systole is calledA. vital capacityB. cardiac cycleC. stroke volumeD. cardiac output
• Systole refers to the contraction ofA. AV nodeB. AV nodeC. SA nodeD. atria and ventricles
• Difference between diastole and systole pressure isA. 40B. 60C. 80D. 120
• In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart ?A. R-repolarisation of ventriclesB. S-start of the systoleC. T-end of diastoleD. P-depolarisation of the atria.
• In ECG deflection waves, ventricular systole occurs duringA. PQB. PQRC. QRD. T
• If the heart sound recording and ECG recordings are superimposed then the first heart sound would occurA. at P-waveB. just after P-waveC. just before QRS complexD. just after QRS complex.
• The T-wave in one ECG representsA. return of the ventricles from excited stateB. beginning of systoleC. electrical excitation of atriaD. depolarisation of ventricle.
• P-wave of ECG occurs due toA. ventricular contractionB. onset of ventricular ejectionC. atrial contractionD. None of these.
• Pacemaker of the heart is situatedA. in the wall of left atrium close to opening to pulmonary veinsB. in the wall of right atrium close to superior vena cavaC. on interauricular septumD. on interventricular septum.
• The cardiac pacemaker in a patient fails to function normally. The doctors find that an artifical pacemaker is to be grafted in him. It is likely that it will be grafted at the site of `-`A. atrioventricular bundleB. pukinje systemC. sinoatrial nodeD. atrioventricular node.