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Paraklinik > Endokrin - generelt > Flashcards

Endokrin - generelt Flashcards

1
Q 
Hvordan dannes og opbevares:
Peptidhormoner:
Steroidhormoner:
Catecholaminer:
Thyroidea hormoner:
A

Peptidhormoner: Dannes på forhånd - oopbevares i sekretoriske vesikler

Steroidhormoner: Laves “på efterspørgsel” fra precursere

Catecholaminer: Dannes på forhånd - oopbevares i sekretoriske vesikler

Thyroidea hormoner: Dannes på forhånd - precurser opbevares i sekretoriske vesikler

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2
Q

Hvordan frigives hhv.

Peptidhormoner:
Steroidhormoner:
Catecholaminer:
Thyroidea hormoner:

A

Peptidhormoner: Exocytose

Steroidhormoner: Simpel diffusion

Catecholaminer: Exocytose

Thyroidea hormoner: Simpel diffusion

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3
Q 
Hvordan tansporteres de i blodet? 
Peptidhormoner:
Steroidhormoner:
Catecholaminer:
Thyroidea hormoner:
A

Peptidhormoner: Opløst i plasma

Steroidhormoner: Bundet til carrier proteiner

Catecholaminer: Opløst i plasma

Thyroidea hormoner: Bundet til carrier proteiner

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4
Q 
Halveringstid? 
Peptidhormoner:
Steroidhormoner:
Catecholaminer:
Thyroidea hormoner:
A

Peptidhormoner: Kort

Steroidhormoner: Lang

Catecholaminer: Kort

Thyroidea hormoner: Lang

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5
Q 
Lokation af receptor?
Peptidhormoner:
Steroidhormoner:
Catecholaminer:
Thyroidea hormoner:
A

Peptidhormoner: På cellemembran

Steroidhormoner: Cytoplasma eller nukleus - nogle har membran receptorer

Catecholaminer: På cellemembran

Thyroidea hormoner: Nukleus

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6
Q 
Respons på receptor ligand-binding?
Peptidhormoner:
Steroidhormoner:
Catecholaminer:
Thyroidea hormoner:
A

Peptidhormoner: Aktivering af 2nd messenger system - nogle aktiverer gener

Steroidhormoner: Aktiverer gener til translation og transkription - nogle har ikke genomiske funktioner

Catecholaminer: Aktivering af 2nd. messenger systemet

Thyroidea hormoner: Aktiverer gener til translation og transkription

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7
Q 
Generel target respons?
Peptidhormoner:
Steroidhormoner:
Catecholaminer:
Thyroidea hormoner:
A

Peptidhormoner: Modifikation af existerende proteiner og induktion af proteinsyntese

Steroidhormoner: induktion af proteinsyntese

Catecholaminer: Modifikation af existerende proteiner

Thyroidea hormoner: induktion af proteinsyntese

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8
Q 
Giv eksempler på:
Peptidhormoner:
Steroidhormoner:
Catecholaminer:
Thyroidea hormoner:
A

Peptidhormoner: Insulin, PTH

Steroidhormoner: Østrogen, androgener, cortisol

Catecholaminer: E, NE, DA

Thyroidea hormoner: T3, T4

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9
Q

Giv eksempler på hormoner der frigives fra hypofysens baglap

A
  • ADH/Vasopressin

- Oxytosin

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10
Q

Giv eksempler på hormoner der frigives fra hypofysens forlap

A

1) FSH og LH
2) GH
3) TSH
4) Prolactin
5) ACTH

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11
Q

Hvilke/hvilket hormon fører til frigørelsen af:

1) FSH og LH
2) GH
3) TSH
4) Prolactin
5) ACTH

A

1) GnRH+
2) GHRH +, SS-
3) TRH +
4) DA -,
5) CRH+

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12
Q

Hvor dannes melatonin, og hvad har det indflydelse på?

A

Corpus pinneale - døgnrytme

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Paraklinik (23 decks)

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