Conduction in Heart
Trending Questions
Q. What happens when the pacemaker is non functional?
- Only the auricles will contract rhythmically
- The cardiac muscles do not contract in a coordinated manner rhythmically.
- Only ventricles contract rhythmically.
- Cardiac muscles will contract in a coordinated manner.
Q. Which of the following represents the correct sequence of the origin and conduction of action potential?
- SA node→ AV node → Bundle of His → Purkinje fibres
- AV node →SA node → Bundle of His → Purkinje fibres
- SA node → AV node → Purkinje fibres → Bundle of His
- Bundle of His →Purkinje fibres → SA node → AV node
Q.
Identify the labelled parts of heart’s conduction system as depicted in the image.
(i)SA node, (ii) Purkinjefibres, (iii) AV node, (iv) Bundle of His
(i)Bundle of His, (ii) Purkinjefibres, (iii) AV node, (iv) SA node
(i)Purkinjefibres, (ii)Bundle of His, (iii) SA node, (iv) AV node
(i)SA node, (ii) AV node, (iii) Bundle of His, (iv) Purkinje fibres
Q.
What does an ECG measure?
The electrical activity of the heart
The blood pressure
The pumping action of the heart
The blood volume
Q.
What does an ECG measure?
The electrical activity of the heart
The blood pressure
The pumping action of the heart
The blood volume
Q. Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?
- Peak P and peak R together - Systolic and diastolic blood pressures
- Peak P- Initiation of left atrial contraction only
- Peak T - Initiation of total cardiac contraction
- Complex QRS - One complete pulse