Cardiovascular Flashcards

1
Q

What is the Cardiac Cycle?

A

The cycle the heart goes through in between heartbeats.

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2
Q

What is the normal blood pressure range?

A

120 over 80 is normal
90 over 60 is low
140 over 90 is high

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3
Q

How is the heart rate regulated?

A

Through a mechanical pacemaker or the Sinoatrial Node(SAN) which is the natural pacemaker

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4
Q

Why is the pause in the AVN important in the cardiac cycle?

A

So that the atria can complete their emptying into the ventricles before contracting and sending the blood around the body

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5
Q

What is atheroma?

A

The fatty deposits in the coronary arteries

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6
Q

What is the process of fatty deposits building up in the arteries called?

A

Atherosclerosis

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7
Q

CHD can be caused by…

A

Lifestyle factors- smoking, regular drinking
Diet- saturated fats and foods

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