1.8 Mecanismos homeostáticos Flashcards

1
Q

Homeostasis

A

Proceso donde el cuerpo busca mantener su equilibrio interno

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2
Q

Creador del termino M.H

A

Walter Brandford

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3
Q

Mecanismo homeostático

A

Proceso regulador del cuerpo interno para tener condiciones estables

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4
Q

Tipos de mecanismos

A

Temperatura
Sueño
pH
Electrólitos
Glucosa
Presión arterial
Apetito y saciedad

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5
Q

Temperatura

A

Hipotálamo
menor calor (frío): piloerrección y vasoconstricción
Mayor calor (calor): sudor, vasodilatación

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6
Q

Sueño

A

Hipotalamo: supraquiasmático
Ncesidad de dormir
- Melatonina

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7
Q

Coagulación

A

Lesión
Espasmo vascular
Tapon de pláquetas
Coagulación

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8
Q

pH

A

Controlan CO2 alveolos
Retienen Bicarbonato de sodio: riñones

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9
Q

Electrolítos

A

Filtran sangre
Absorció y reabsorción de electrolitos

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10
Q

Apetito y saciedad

A

Leptina menos apetito - saciedad - tejido diposo
Gretina: más apetito - hambre – estómago

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11
Q

Equilibrio hídico

A

ADH: hormona antidiurética
+Agua - ADH: +ORINA
-Agua + ADH: - ORINA

Sed: tronco cerebral
regulación hormonal: aldosterona + ADH
Respiración: humedad del aire
Sistema cardiovascular: transporta agua

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12
Q

Presión arterial

A

Hipotalamo
Aldoesterona y adrelanila

riñones
corazón
s.n atónomo

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