Anti Histamin Flashcards

1
Q

Apa aja obat generasi 2 antagonis reseptor H1?

A
Loratadin
Desloratadin
Cetrizin
Astemizol
Feksofenadin
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2
Q

Apa saja ciri2 obat generasi II?

A
  1. Tidak larut lemak, sehingga: efek sedasi«<
  2. Efek samping «<
  3. Masa kerjanya&raquo_space;>
  4. Metabolit aktif
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3
Q

Triple respons lewis

Respond jika histamin disuntik intradermal

A
  1. Bercak merah
    Setempat dan cm beberapa detik
  2. Flare
    Kemerahan > terang, reflex akson-> dilatasi arteriol berdekatan
  3. Wheal
    Edema setempat, karna > permeabilitas pemb darah
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4
Q

Bagaimana kerja histamin

A

Mendudduki reseptor histamin

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5
Q

Berapa banyak reseptor histamin & apa jenisnya

A

4 & G coupled reseptor

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6
Q

Distribusi reseptor H1 dan efeknya

A

Distribusi: endotel & sel otot polos

Efek: vasodilatasi, konstriksi bronkus&sal. Pencernaan, sekresi mukus, ujung saraf sensoris (nyeri & gatal)

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7
Q

Distribusi dan efek reseptor histamin H2

A

Distribusi: lambung, otot jantung, sel imun

Efek: sekresi as. lambung, stimulasi jantung, penurunan pelepasan histamin, bronkodilatasi, vasodilatasi

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8
Q

Distribusi dan efek reseptor histamin H3

A

Distrubusi: SSP, SST

Efek: meningkatnya intake makanan-> meningkatnya berat badan

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9
Q

Distribusi reseptor histamin H4?

A

Distribusi: leukosit dan sel mast

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10
Q

Apa beda autokoid dg hormon?

A

Autokoid dihasilkan oleh banyak jaringan, hormon engga

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11
Q

Apa itu autokoid

A

Susbstansi endogen yg punya efek farmakologi, tp gamasuk gol. Obat otonom

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12
Q

Kl lagi gaada reaksi alergi, histamin kemana?

A

Granula sel mast/ basofil

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13
Q

Bagaimana mekanisme anti histamin?

A

Saingan sm histamin dudukin reseptor histamin

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