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Anatomy > Cardiac > Flashcards

Cardiac Flashcards

1
Q

What carries oxygenated blood to the atrium

A

Pulmonary vein

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2
Q

What carries oxygenated blood to the body/muscles

A

Aorta

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3
Q

What carries de oxygenated blood to the atrium

A

vena cava

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4
Q

What carries de oxygenated blood to the lungs

A

pulmonary artery

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5
Q

How to remember the valves

A

try before you by

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6
Q

What do arteries do

A

Carry blood away from the heart

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7
Q

What do arterioles do

A

Control blood distribution by changing their diameter

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8
Q

What do capillaries do

A

Connect arteries and veins by uniting arterioles and venules

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9
Q

What do veins do

A

Faciliate venous return (de ox blood returning to the heart)

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10
Q

What do red blood cells do

A

Carry oxygen to all living tissue

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11
Q

What do white blood cells do

A

Protect the body for infections

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12
Q

What is the function o the cardiovascular system

A

Deliver oxygen & nutrients, removal of waste products, fight infection, clot blood

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13
Q

What is the cardiac cycle?

A

The mechanical events of one heartbeat

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14
Q

What is diastole

A

The passive filing of the heart

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15
Q

What is atrial systole

A

Active forcing remaining blood into ventricles

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16
Q

What is ventricular systole

A

Active forcing ventricular blood out of the heart into the aorta and pulmonary artery

17
Q

What is the sa node

A

The hearts pacemaker
sinoatrial node

18
Q

What is the bundle of his

A

It carries electrical impulse from the av node to the septum and ventricle walls to the apex of the heart

19
Q

Draw the nervous control of the cardiac cycle

A

:0

20
Q

What are the purkinje fibres

A

They surround the ventricle walls causing ventricles to contract. Causing blood to be pushed up & out of the heart

21
Q

What is the sympathetic nervous system

A

Speed up- fast via accelerator nerve

22
Q

What is the parasympathetic

A

slow down -via vagus nerve

23
Q

What happens to your heart rate before exercise

A

Anticipatory rise in order to prepare body

24
Q
A
25
Q

What are some adaptations of the heart to exercise

A

Cardiac hypertrophy, increase in resting heart rate & stroke volume, decrease in resting heart rate

26
Q

What is SADS?

A

Sudden arrhythmic death syndrome
Can happen to healthy people
normal rhythm disrupted

27
Q

What is hyperthermia

A

When body assumes to much heat

28
Q

What is hypothermia

A

When body temp goes below 35 degrees

29
Q

What is cardiac output?

A

The amount of blood pumped out the heart in a minute

30
Q

What value is stroke volume at rest

A

70ml

Anatomy (5 decks)

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