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Farmacologie > Curs 5 - Efecte catecolamine > Flashcards

Curs 5 - Efecte catecolamine Flashcards

1
Q

Adr este produsa de

A

Medulosuprarenala

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2
Q

NA este eliberata de

A

Neuronul postganglionar al simpaticului periferic, MSR, neuroni cerebrali

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3
Q

Dopamina este un

A

Mediator chimic al mai multor sisteme neuronale

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4
Q

La nivelul globilor oculari

A

Midriaza, favorizarea drenarii umorii apoase, relaxarea muschilor ciliari

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5
Q

La nivelul cordului

A

Inotrop, dromotrop pozitiv

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6
Q

La nivelul coronarelor

A

Coronarodilatatoare

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7
Q

Adrenalina in doze mici la nivelui vaselor sanguine produce

A

Vasodilatatie si scaderea presiunii arteriale

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8
Q

Adrenalina in doze medii la nivelul vaselor sanguine

A

Creste TA sistolica si diastolica

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9
Q

Adrenalina in doze mari la nivelul vaselor sanguine

A

Creste TA

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10
Q

NA la toate dozele, la nivelul vaselor sanguine

A

Creste TA

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11
Q

Dopamina nu modifica

A

TA

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12
Q

Dopamina la nivelul cordului

A

Inotrop pozitiv, creste debitul cardiac, dar nu modifica frecventa batailor cordului

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13
Q

La nivelul vaselor viscerelor

A

Vasodilatatie medie

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14
Q

La nivelul musculaturii netede gastro-intestinale

A

Relaxarea musculaturii netede a tubului digestiv si contractia sfincterelor tractului gastro-intestinal

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15
Q

Efectul asupra secretiei gastro-intestinale

A

Nu influenteaza secretia

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16
Q

La nivelul musculaturii netede a tractului genito-urinar

A

Relaxarea peretelui vezicii urinare, a musculaturii uterine in timpul sarcinii, contractia sfincterului vezical si a musculaturii uterine, stimuleaza ejacularea

17
Q

La nivelul musculaturii netede bronsice

A

Bronhodilatatie medie

18
Q

La nivel palmar si asupra muschilor pilomotori

A

Transpiratie palmara, erectia firelor de par

19
Q

La nivelul trombocitelor

A

Stimuleaza agregarea plachetara

20
Q

La nivelul SNC

A

Creste atentia, nervozitate, tremor, anxietate, insomnie, anorexie

21
Q

Produc hiperglicemie prin

A

Stimularea glicogenolizei si inhibarea sintezei glicogenului, stimularea gluconeogenezei si reducerea utilizarii glucozei la periferie

22
Q

Asupra insulinei

A

Inhiba secretia de insulina din celulele de tip B ale insulelor Langerhans

23
Q

Asupra potasiului

A

Hiperkaliemie

24
Q

In concetratii mari catecolaminele produc

A

Acidoza metabolica si hiperlipemie

25
Q

La nivelul rinichiului

A

Stimuleaza sinteza reninei

26
Q

Asupra metabolismului bazal

A

Cresc metabolismul bazal

27
Q

Asupra consumului de oxigen ( in metabolismul bazal)

A

Cresc consumul de oxigen

28
Q

Asupra secretiei salivare si exocrine pancreatice

A

Inhiba secretia salivara de apa si K si secretia exocrina pancreatica

29
Q

Asupra melatoninei

A

Creste sinteza de melatonina de catre epifiza

Farmacologie (4 decks)

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