Mechanism of Action | Resistance | Drug class | Miscellaneous | Miscellaneous |
---|---|---|---|---|
They interfere with post-translational modification of viral proteins. Thus, mature virus is not produced
How do protease inhibitors work?
|
Mutations in RTase
How do viruses develop resistance against non-nucleoside RTIs (Nevirapine)
|
Fusion Inhibitor
Enfuvirtide is a?
|
IFN alpha and beta
These viral transcription inhibitors are also antiviral components produced by our body.
|
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 |
Integrase inhibitors
Which class of drug would you administer to inhibit the incorporation of HIV DNA into the host cell's DNA
|
Mutations in RTase
How do virsues develop resistance against Nucleoside Reverse Transcriptase Inhibiitors (Zidovudine)
|
non-nucleoside RTIs
Saquinavir and Ritonavir are?
|
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 |
Uncoating inhibitors = 150
Amantadine = 150
This drug, apart from inhibiting M2 proton channels, is also used to treat Parkinson's disease.
|
Miravoric
This drug is a non-competitive antagonist of the co-receptor CCR5
|
Mutations in M2 proton channel
How do viruses develop resistance towards Amantadine (uncoating inhibitor)
|
Zidovudine
An example of a nucleoside Reverse Transcriptase Inhibitor is?
|
T helper cells on CD4 receptors
HIV virus affects which cells? which receptor does it bind to?
|
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 |
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?
|
Mutations in viral protease enzyme
How do viruses develop resistance against protease inhibitors (Ritonavir)
|
Integrase inhibitors
Raltegravir and Elvitegravir belong to which class of antiretroviral drugs?
|
CCR5 and CXCR4
Name the two co-receptors which HIV strains bind to on T helper cells
|
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 |
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?
|
FREE POINTS
CONGRATS
|
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.
|
1. A
Amantadine is an uncoating inhibitor used for influenza...
1. A 2. B 3. C 4. D |
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 |