
UAS FARMAKOLOGI VET
Quiz
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Others
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University
•
Hard
Lovela Aprinda
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obat antagonis adalah obat yang :
Menyebabkan efek fisiologis yang berlawanan dengan agonis
Meniru zat endogen tubuh
Mengaktifkan sinyal cAMP
Meningkatkan aktivitas enzim metabolik
Tidak berikatan dengan protein plasma
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mekanisme kerja obat yang paling umum adalah melalui interaksi dengan :
Asam amino
Hemoglobin
Reseptor sel
Enzim pencernaan
Asam lemak
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa peran utama enzim Monoamine Oxidase (MAO) dalam sistem saraf pusat ?
Meningkatkan sintesis dopamin di neuron
Menghambat pelepasan serotonin dari sinaps
Menguraikan neurotransmitter monoamin
Membantu pengikatan dopamin ke reseptornya
Mengaktifkan enzim GABA transaminase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reseptor GABA-A bekerja dengan cara membuka kanal ion berikut ini sehingga terjadi hiperpolarisasi :
Na⁺
K⁺
Cl⁻
Ca²⁺
Mg²⁺
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Enzim Catechol-O-Methyltransferase (COMT) berfungsi dalam proses :
Sintesis norepinefrin dari tirosin
Degradasi katekolamin melalui metilasi
Reuptake neurotransmitter serotonin
Aktivasi reseptor dopamin D2
Pelepasan GABA dari vesikel sinaptik
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obat berikut yang bekerja dengan cara meningkatkan durasi terbukanya kanal Cl⁻ pada reseptor GABA-A adalah :
Lidokain
Morfin
Barbiturat
Fluoksetin
Haloperidol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa mekanisme utama kerja benzodiazepin dalam meningkatkan efek GABA pada sistem saraf pusat ?
Menghambat enzim GABA transaminase
Meningkatkan frekuensi pembukaan kanal Cl⁻ melalui reseptor GABA-A
Menghambat pelepasan dopamin
Mengaktifkan reseptor glutamat
Memblokade reuptake serotonin
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