Ch 11- Electrocardiography Flashcards

1
Q

What are the two chambers of the heart

A

Atrial and ventricular

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2
Q

Atrial chambers

A

Receive blood from the body

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3
Q

Ventricular chambers

A

Pump blood out to the body

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4
Q

Septum

A

Divides the right and left sides of the heart

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5
Q

Tricuspid valve

A

Found between the right atrium and the right ventricle

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6
Q

Pulmonary valve

A

Between the right ventricle and the pulmonary artery

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7
Q

Bicuspid / mitral valve

A

Between the left atrium and left ventricle

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8
Q

Aortic valve

A

Between the left ventricle and the aorta

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9
Q

The right atrium receive deoxygenated blood from the:

A

Superior vena cava, inferior vena cava, and coronary sinus

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10
Q

Blood empties from the right atrium into the _____.

A

Right ventricle

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11
Q

When the ventricles contract, the deoxygenated blood in the right ventricle passes through the opened pulmonary valve and moves into the ________.

A

Pulmonary artery

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12
Q

In the lungs , the blood picks up _____ and gives up _____.

A

Oxygen; carbon dioxide

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13
Q

The pulmonary vein brings the oxygenated blood back to the _______.

A

Left atrium

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14
Q

When the left atrial chamber contracts, the blood empties into the ______.

A

Left ventricle

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15
Q

When the ventricles contract, the blood in the left ventricle moves through the opened aortic valve and into the ____.

A

Aorta

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16
Q

The _______ bring the oxygenated blood to the heart muscles.

A

Coronary arteries

17
Q

The pacemaker of the heart is:

A

Sinoatria node (SA)

18
Q

The impulse also moves quickly across special bands of tissue is called ______.

A

Intermodal tracts

19
Q

Bachmann bundle

A

A specialized intermodal tract, takes the impulse to the left atrium

20
Q

When the impulse reaches the _______ (AV), it moves very slowly through the node.

A

Atrioventricular node

21
Q

When the impulse leave the AV node, it moves to the ______.

A

Bundle of His

22
Q

Bundles Branches

A

Brings the impulse to the ventricles