Fysiologi - Kredsløb Flashcards

1
Q

Kredsløbet kan opdeles i 2:

A

– Det lille kredsløb

– Det store kredsløb

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2
Q

En løbsk blodprop kaldes en:

A

Emboli

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3
Q

Hjertekrampen kaldes:

A

Angine Pectoris

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4
Q

Forskellen på det store og det lille kredsløb:

A

• Det store kredsløb
– Pumper blod rundt i kroppen
• Det lille kredsløb
– Pumper blod igennem lungerne

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5
Q

Hjerteslagene styres af elektroniske impulser, som kommer fra:

A

Sinusknuden og A-Vknuden

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6
Q

Sammentrækningen af forkamrene kaldes

A

Systole

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7
Q

Afslapningen af hjertet kaldes

A

Diastole

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8
Q

Venepumpen virker via 2 systemer:

A

• Muskelpumpen
– Virker i arme og ben
• Thoraxpumpen
– Virker i selve kroppen

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9
Q

Muskelpumpen virker via bevægelse

Thoraxpumpen virker via vejrtrækning, FYI

A

OK

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10
Q

En person på 70 kg har cirka, hvor mange liter blod?

A

5,5

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11
Q

Blodet kan opdeles i 2 hovedkomponenter

A

– Blodplasma

– Blodceller

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12
Q

Produktionen af blodceller foregår i:

A

den røde knoglemarv

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13
Q

Der findes 3 typer af blodceller

A

– Røde blodlegemer, erytrocytter
– Hvide blodlegemer, leukocytter
– Blodplader, trombocytter

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14
Q

I blodet findes ca. 1. hvidt blodlegeme, for

hver X røde blodlegemer

A

800

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15
Q

Der findes 3 typer af hvide blodlegemer

A

– Granulocytter
– Monocytter
– Lymfocytter

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16
Q

Lymfesystemet betragtes som et:

A

opsamlings- og filtreringssystem for overskydende væske i

kroppen

17
Q

Filtrering af kropsvæsken for fremmedlegemer

A

Foregår i lymfeknuderne

18
Q

2 organer medvirker i lymfesystemet:

A
• Milten
– Danner lymfocytter
– Nedbryder røde blodlegemer
• Brisselen
– Betydning for dannelse af
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