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Histology > Cardiovascular And Respiratory > Flashcards

Cardiovascular And Respiratory Flashcards

1
Q

Largest vein

A

Inferior vena cava

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2
Q

Largest artery

A

Aorta

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3
Q

Valve bet right atrium and right ventricle

A

Tricuspid valve

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4
Q

Blood returns to heart from lung by

A

Pulmonary vein

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5
Q

Bet left atrium and left ventricle

A

Mitral valve
Biscuspid

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6
Q

Aorta branch that supplies the heart

A

Coronary arteries

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7
Q

Why are they called blind ended lymphatic capillaries

A

As they only return to the heart 1 direction

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8
Q

Where do the cardiovascular and lymphatic system meet

A

Large veins in neck

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9
Q

Elephantiasis

A

Mosquito carrying round worms blocking lymph vessels
Chronic edema
Skin thickening

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10
Q

Artery vs vein parts

A

Tunica intima>simple squamous
Tunica media>smooth muscle more in artery
Tunica externa/adventitia>CT more yellow fibers in artery

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11
Q

Which has a bigger lumen artery or vein

A

Vein

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12
Q

Cell injury in artery wall is..
In case of…vessel inflammation

A

Fibrinoid necrosis
Vasculitis

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13
Q

In fibrinoid necrosis what happens

A

Necrosis of smooth muscle
Death of endothelium
Allow plasma proteins (fibrin) to deposit

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14
Q

What is virchows triad

A

Thrombosis cause>
*Endothelial injury, atherosclerosis, vasculitis
*hypercoagulability, genetic, acquired
*Abnormal blood flow

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15
Q

Abnormal blood flow in artery vs vein

A

Artery>aneurysm, turbulence
Vein>varicose veins, stasis

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16
Q

Left lung has ….right lung has….both made up of …..tissue

A

3 lobes
2 lobes+cardiac notch
Elastic

17
Q

Cells in alveoli

A

Type 1 pneumonocytes> simple squamous, gas exchange, blood air barrier
Type 2 pneumonocytes> surfactant,simple cuboidal,septal cells
Macrophages/dust cells

18
Q

Surfactant importance

A

Prevents lung collapse and has bactericidal properties

19
Q

An infection in Lung

A

Streptococcus pneumonia
Infects terminal air space with no antibodies
Inflammation and pneumonia

20
Q

Acute vs chronic pneumonia

A

Acute:inflammation in alveoli abnormally filled with bacteria ,immune cells, fluid
Chronic: enlargement of alveoli as adjacent chambers break, lung fibrosis, emphysema

21
Q

Symptoms of emphysema

A

Short breathing(high energy to exhale)
Cyanosis, blue fingertips
Cor pulmonale

22
Q

Cor pulmonale

A

Myocardial infarction due to return of deoxygenated blood to right atrium causing blockage

Histology (19 decks)

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