Question
Question: Which one of the following is a matching pair...
Which one of the following is a matching pair
A
Lubb - sharp closure of AV valves at the beginning of ventricular systole
B
Dupp - sudden opening of semilunar valves at the beginning of ventricular diastole
C
Pulsation of the radial artery-valves in the blood vessels
D
Initiation of the heart beat Purkinje fibres
Answer
Lubb - sharp closure of AV valves at the beginning of ventricular systole