Bases de la fisiología Flashcards

1
Q

Qué estudia la fisiología

A

Funciones normales
Variaciones normales de funciones
Bases para entender enfermedades
Bases para comprender cómo actúan fármacos

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2
Q

Capacidad que tienen los seres humanos

A

Adaptarse

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3
Q

Homeostasis (Walter Cannon 1929)

A

Habilidad del organismo para mantener condiciones internas relativamente estables

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4
Q

Variable (en homeostasis) pasos

A
  1. Estímulo
  2. Receptor
  3. Centro de control
    4.Efector
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5
Q

Mecanismos de retroalimentación negativa

A

Más comunes, tiende a un equilibrio (algo que aumenta, disminuye o viceversa)

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6
Q

Mecanismos de retroalimentación positiva

A

Tiende al desequilibrio (ej: contracciones, aumenta-aumenta)

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7
Q

Características del cuerpo

A

Colección de algoritmos
Altamente automatizado
100 trillones del cuerpo

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8
Q

Todas las variables del cuerpo…

A

Están altamente reguladas

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9
Q

Oxígeno (venoso)

A

normal: 40
rango: 35-45
no mortal: 10-1000

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10
Q

CO2 (venoso)

A

normal: 45
rango: 35-45
no mortal: 5-80

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11
Q

ion de sodio

A

normal: 142
rango: 138-146
no mortal: 115-175

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12
Q

ion de potasio

A

normal: 4.2
rango: 3.8-5
no mortal: 1.5-9

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13
Q

ion de calcio

A

normal: 1.2
rango: 1-1.4
no mortal: 0.5-2

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14
Q

ion de cloro

A

normal: 106
rango: 103-112
no mortal: 70-130

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15
Q

ion de bicarbonato

A

normal: 24
rango: 24-32
no mortal: 8-45

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16
Q

glucosa

A

normal: 90
rango: 75-95
no mortal: 90-1500

17
Q

temperatura corporal

A

normal: 9.84 (37.0)
rango: 98-98.8 (37.0)
no mortal: 65-110 (18.3-43.3)

18
Q

ácido-base

A

normal:7.4
rango:7.3-7.5
no mortal: 6.9-8.0