Fisiologia Flashcards

1
Q

Corresponde al primer ruido cardiaco

A

Cierre de las AV

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2
Q

Presión alveolar de O2

A

100 mmHg

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3
Q

Libera Ca++ para iniciar la contracción muscular

A

Retículo sarcoplásmico

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4
Q

Corresponde a la capacidad vital, excepto

A
  • 4800 ml
  • VRE+CI
  • CRF+VR*
  • VRI+VRE+VC
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5
Q

Porcetaje de agua intravascular

A

5%

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6
Q

Capa de la corteza suprarrenal que libera mineralocorticoides

A

Glomerular

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7
Q

Es incorrecto respecto al surfactante pulmonar, excepto

A
  • Producido por neumocitos I*
  • Agente tensoactivo
  • Compuesto principal dipalmioilfosfatidilcolina
  • Evita el colpaso alveolar
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8
Q

Genera el impulso rítmico normal del corazón

A

distintas formas de llamarlo

Nódulo sinusal,Nódulo keith y flack o Nódulo s/a

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9
Q

Porcentaje de sangre expulsado durante el periodo de eyección

A

60%

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10
Q

Corresponde al volumen telesistólico, excepto

A
  • 40% del volumen telediastólico
  • 70 ml*
  • Volumen que se queda en el ventrículo al final de la sístole
  • 50 ml
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11
Q

Neurotransmisor liberado hacia la unión neuromuscular para estimular la contracción muscular

A

Acetilcolina

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12
Q

Hormonas sintetizadas por la neurohipófisis

A

ADH, oxitocina

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13
Q

Unidad contractil de músculo

A

Sarcómero

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14
Q

Aporta el 20% del llenado ventricular

A

Sístole auricular

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