
Antimicrobianos e Antifúngicos
Authored by Anna Carolina Schneider Alves
Other
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A sulfonamida exerce seu efeito antimicrobiano por:
Inibir a RNA polimerase
Inibir a diidropteroato sintase, interferindo na síntese de ácido fólico
Inibir a parede celular
Rompendo a membrana bacteriana
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O uso da trimetoprima é sinérgico com as sulfonamidas porque:
Ambos causam lise da parede celular
Inibem etapas consecutivas na síntese de ácido fólico
Reduzem a permeabilidade da membrana bacteriana
São eficazes apenas contra vírus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um exemplo de antibiótico que inibe a síntese da parede celular é:
Tetraciclina
Ciprofloxacino
Amoxicilina
Cloranfenicol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As quinolonas (como ciprofloxacino) agem principalmente inibindo:
DNA girase e topoisomerase IV
A síntese de proteínas na subunidade 30S
A integridade da membrana celular
A replicação do RNA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A anfotericina B, um antifúngico, atua por:
Inibir a DNA polimerase
Inibir a síntese de ergosterol
Ligar-se ao ergosterol e desestabilizar a membrana
Inibir a divisão mitótica
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A resistência bacteriana por modificação do alvo ocorre quando:
O antibiótico é absorvido com menor eficácia
A célula bacteriana passa a metabolizar o antibiótico
O alvo do antibiótico sofre alteração estrutural
O antibiótico é degradado por enzimas bacterianas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A equivocada interrupção precoce do tratamento antimicrobiano pode:
Melhorar a resposta imune
Diminuir o risco de resistência
Favorecer a seleção de cepas resistentes
Ser recomendada em infecções virais
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