Q. No.The route of action potential in heart is
(1) SA node- AV node- AV bundle
(2) AV node- SA node- bundle of his- AV bundle.
(3) SA node- AV node- AV bundle- Bundle of His
(4) SA node-AV node- Purkinje fibres
(1) SA node- AV node- AV bundle
(2) AV node- SA node- bundle of his- AV bundle.
(3) SA node- AV node- AV bundle- Bundle of His
(4) SA node-AV node- Purkinje fibres
The closure of which valves causes Dub sound?
(1) AV valves
(2) Semilunar valves
(3) both 1 and 2
(4) only tricuspid valve
The machine taking the reading of electrical activity of heart is known as
(1) Electrocardiogram
(2) Electrocardiograph
(3) MRI
(4) Biopsy
The standard ECG is obtained by connecting the patient to the machine with how many leads?
(1) 4
(2) 3
(3) 1
(4) 2
For a detailed evaluation of the heart’s function, multiple leads are attached to:
(1) Wrist and arms
(2) Abdomen
(3) Chest region
(4) All the fingers
What does the P wave represent in ECG?
(1) Atrial Diastole
(2) Atrial systole
(3) Ventricular Diastole
(4) Joint Diastole
What does the QRS complex represent in ECG?
(1) Atrial Diastole
(2) Atrial systole
(3) ventricular systole
(4) Joint Diastole
What does the T wave represents in ECG?
(1) Atrial Diastole
(2) Atrial systole
(3) Ventricular Diastole
(4) Joint Diastole
What does the depolarization of ventricles initiate?
(1) Atrial Diastole
(2) Atrial systole
(3) ventricular systole
(4) Joint Diastole
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