Mechanism of Action Resistance Drug class Miscellaneous Miscellaneous
100
They interfere with post-translational modification of viral proteins. Thus, mature virus is not produced
How do protease inhibitors work?
100
Mutations in RTase
How do viruses develop resistance against non-nucleoside RTIs (Nevirapine)
100
Fusion Inhibitor
Enfuvirtide is a?
300
IFN alpha and beta
These viral transcription inhibitors are also antiviral components produced by our body.
300
2. Acyclovir Triphosphate
Acyclovir is an RNA/DNA replication inhibitor. It is phosphorylated by viral kinases into ________, which competes with dGTP, to terminate the DNA chain
1. Acyclovir tetraphosphate
2. Acyclovir triphosphate
3. Acyclovir pentaphosphate
4. Acyclovir
200
Integrase inhibitors
Which class of drug would you administer to inhibit the incorporation of HIV DNA into the host cell's DNA
100
Mutations in RTase
How do virsues develop resistance against Nucleoside Reverse Transcriptase Inhibiitors (Zidovudine)
200
non-nucleoside RTIs
Saquinavir and Ritonavir are?
300
b. Binding of the virus to host cell
Hemagluttinin is a glycoprotein responsible for:
a. Release of virus from host cell
b. Binding of the virus to host cell
c. Viral transcription
d. Protosomeal degradation
400
Uncoating inhibitors = 150
Amantadine = 150
This drug, apart from inhibiting M2 proton channels, is also used to treat Parkinson's disease.
300
Miravoric
This drug is a non-competitive antagonist of the co-receptor CCR5
100
Mutations in M2 proton channel
How do viruses develop resistance towards Amantadine (uncoating inhibitor)
300
Zidovudine
An example of a nucleoside Reverse Transcriptase Inhibitor is?
200
T helper cells on CD4 receptors
HIV virus affects which cells? which receptor does it bind to?
200
a. 200 μl
AIDS is defined by a T cell count of less than?
a. 200 μl
b. 500 μl
c. 300 μl
d. 1000 μl
400
They are metabolised to triphosphate, and used by DNA polymerase to form a 'faulty DNA' as the nucleosides are replaced by the drug.
Ziduvidine is a nucleoside Reverse transcriptase inhibitor. How does it inhibit Reverse Transcriptase? How does it differ from Non-nucleoside RTIs?
100
Mutations in viral protease enzyme
How do viruses develop resistance against protease inhibitors (Ritonavir)
400
Integrase inhibitors
Raltegravir and Elvitegravir belong to which class of antiretroviral drugs?
300
CCR5 and CXCR4
Name the two co-receptors which HIV strains bind to on T helper cells
400
e. H. pylori
Which of the following is NOT an opportunistic infection that defines AIDS
a. Kaposi's Sarcoma
b. Candida
c. Cryptococcus
d. Pneumocystis Jerovicii
e. H. pylori
500
M2 proton channels. This channel is required for viral uncoating. It pumps protons to the interior of the endosome containing the virus, resulting in dissociation of viral nucleic acid.?
Amantadine inhibits uncoating of viral nucleic acid. What does amantadine block? and why?
300
FREE POINTS
CONGRATS
500
Tamiflu, Zanamivir
Neuramidase inhibitors target neuramidase, which is required for viral release from the host cell. Which drug would you use to target this enzyme.
300
1. A
Amantadine is an uncoating inhibitor used for influenza...
1. A
2. B
3. C
4. D
300
d. Sialic acid (neuraminic acid)
Neuramidase is a viral enzyme which cleaves _______ on the host's cell, to help release the virus.
a. Hemagluttinin
b. Protease
c. Glucoronic acid
d. Sialic Acid






FUN 2-25: Antivirals

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