Questions - Drugs Flashcards

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1
Q

Can we use antibiotics on viruses?

A

No

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2
Q

Do we have a cure for latent viruses?

A

No

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3
Q

Who needs suppressive treatment?

A

Immunocompromised people

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4
Q

Which antivirals target viral thymidine kinase?

A

Acyclovir
Valacyclovir
Famciclovir

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5
Q

Which antivirals target cellular kinases?

A

Cidofovir

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6
Q

Which antivirals bind directly to viral DNA polymerase?

A

Foscarnet

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7
Q

Famciclovir is rapidly phosphorylated by viral thymidine kinase to give what?

A

Penciclovir monophosphate

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8
Q

Which virus were two patients treated with high doses of ribavirin cured (disease is normally non curable)?

A

SSPE (Measles complication)

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9
Q

What is the only FDA approved monoclonal antibody for RSV virus?

A

Palivizumab

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10
Q

What does Palivizumab target?

A

Fusion protein

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11
Q

What step do neurominidase inhibitors target?

A

Viral release

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12
Q

What is the most potent oral antiviral drug for chronic hepatitis B?

A

Entecavir

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13
Q

What two drugs are in Truvada?

A

Truvada®, a combination of EMTRIVA® (emtricitabine) and VIREAD® (tenofovir disoproxil fumarate)

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14
Q

What is the landmark drug given for pre-exposure prophylaxis for HIV?

A

Truvada

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15
Q

What is the MOA of Acyclovir and Cidofovir?

A

Gets phosphorylated to the active form of the drug that gets incorporated into the growing DNA chain and won’t allow addition of fresh nucleotides.

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16
Q

Is Imiquimod a good option for immunocompromised people?

A

No, only topical Imiquimod.

17
Q

Amantidine/Symmetrel is effective against Influenza A but not Influenza B. Why?

A

It interferes with the ion channel function of the M2 protein (prevents it from uncoating). Influenza B does not have this M2 protein.

18
Q

Which viruses have FDA approved antiviral drugs?

A
  • Herpes Simplex (HSV) and Varicella Zoster (VZV)
  • Cytomegalovirus
  • HHV8
  • Human Papillomaviurs
  • Hep B
  • Hep C
  • RSV
  • Influenza Virus
  • HIV
19
Q

What is Famciclovir’s method of action?

A

It inactivates viral DNA polymerase