Fisiología respiratoria Flashcards

1
Q

Mecanismos de la respiración

A

Inspiración y espiración

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2
Q

Cuánto tiempo tarda la inspiración?

A

1-3s

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3
Q

Cuánto tiempo tarda la espiración?

A

1-2 s

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4
Q

Quien modula la inspiración y espiración?

A

Centro de la respiración

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5
Q

Valor de la presión atmosférica

A

760 mmHg

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6
Q

Valor de la presión atmosférica en Pachuca

A

520 mmHg

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7
Q

Cantidad de alveolos

A

300 millones

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8
Q

Valor de la presión alveolar

A

100 mmHg

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9
Q

Que entra al alveolo durante la inspiración?

A

O2

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10
Q

Qué pasa con el alveolo cuando le entra O2?

A

Se disintiende

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11
Q

Evita el colapso de los alveolos

A

Factor surfactante

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12
Q

Quien produce el factor surfactante?

A

Neumocitos tipo II

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13
Q

Capacidad del alveolo de distenderse

A

Compliancia estática

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14
Q

Capacidad del alveolo de regresar a su forma original

A

Elastancia

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15
Q

PCO2 alveolar

A

35-40 mmHg

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16
Q

Duración del intercambio gaseoso

A

0.8 s