Which one in the pair is greater? The amount of time between firing of an electr

Question

Which one in the pair is greater? The amount of time between firing of an electrical signal at the SA node and atrial contraction The amount of time between firing of an electrical signal at the SA node and ventricular contraction If they're equal, select both Which one in the pair is greater? The amount of time between firing of an electrical signal at the SA node and contraction of the right ventricle The amount of time between firing of an electrical signal at the SA node and contraction of the left ventricle If they're equal, select both Which one in the pair is greater? The amount of time between firing of an electrical signal at the SA node and contraction of the right atrium The amount of time between firing of an electrical signal at the SA node and contraction of the left atrium If they're equal, select both

Explanation / Answer

[Which one in the pair is greater?

The amount of time between the firing of an electrical signal at the SA node and atrial contraction.

The amount of time between the firing of an electrical signal at the SA node and ventricular contraction

Atrial contraction takes 0.09 sec and ventricular contraction takes 0.23 sec.

The amount of time between the firing of an electrical signal at the SA node and contraction of the right ventricle

The amount of time between firing of an electrical signal at the SA node and contraction of the left ventricle

Contraction of the right ventricle takes 0.21 sec and contraction of left ventricle takes 0.23 sec.

The amount of time between the firing of an electrical signal at the SA node and contraction of the right atrium

The amount of time between the firing of an electrical signal at the SA node and contraction of the left atrium

Contraction of right atrium takes 0.07 sec and contraction of left ventricle takes 0.09 sec.

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