Atmungssystem Flashcards

1
Q

äußere Atmung

A

Gasaustausch zwischen Lunge und Blut

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2
Q

innere Atmung

A

Gasaustausch zwischen Blut und Gewebe

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3
Q

Pharynx

A

Rachen

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4
Q

Larynx

A

Kehlkopf

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5
Q

Bronchien / Bronchioli

A

große und kleine Luftröhrenäste

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6
Q

Pleura visceralis

A

Lungenfell; überzieht die Lungenoberfläche

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7
Q

Pleura parietalis

A

Rippenfell; äußeres Brustfell, am Brustkorb angeheftet

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8
Q

Inspiration

A

Einatmung

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9
Q

Exspiration

A

Ausatmung

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10
Q

Atemzeitvolumen

A

Luftvolumen, dass pro Minute geatmet wird; Atemfrequenz (15/min) * Atemzugvolumen (0.5 L) = 7.5 L/min

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11
Q

Pneumothorax

A

Lungenkollaps durch Ansammlung von Luft in Pleuraspalt

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12
Q

Pleuraspalt

A

Vakuum zwischen dem Lungenfell und dem Rippenfell

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13
Q

Voraussetzungen des Gasaustausches

A
  1. Perfusion (Durchblutung)
  2. Ventilation (Belüftung)
  3. große Austauschfläche
  4. kurze Diffusionsstrecke
  5. Partialdruckdifferenz
  6. Konzentrationsgradient
  7. Respiration (Atemvorgang)
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14
Q

Atmungsregulation

A

Regulierung der Ventilation durch das Atemzentrum im Hirnstamm; Steuerung durch pO2 und pCO2;
1. erniedrigter pO2, erhöhter pCO2, Azidose
2. Hyperventilation
3. erhöhter pO2, erniedrigter pCO2, Alkalose
4. Hypoventilation

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