Ventricular Contraction Begins at the

question 85

Multiple Choice

Ventricular contraction begins at the

• A) AV bundle.
• B) apex of the heart.
• C) base of the heart.
• D) superior portion of the interventricular septum.
• E) top of the ventricles.

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Definitions:

Systolic Blood Pressure

The pressure in the arteries when the heart beats and fills them with blood, the higher of the two blood pressure readings.

Systolic Pressure

The pressure in the arteries when the heart beats and fills them with blood, the higher number in a blood pressure reading.

Left Ventricle

The chamber of the heart that receives oxygenated blood from the left atrium and pumps it out to the body through the aorta.

Diastolic Pressure

The blood pressure measured when the heart's chambers are refilling with blood, representing the lowest pressure in the cardiovascular system during the cardiac cycle.