Provide The Generic Name (Hepatitis B)

Explanation
Viread is the brand name for the drug Tenofovir. Therefore, Tenofovir is the correct answer as it is the generic name of the medication.

Explanation
Lamivudine is the generic name for the antiviral medication Epivir-HBV. It is used to treat chronic hepatitis B virus infection in adults and children. Lamivudine works by stopping the virus from multiplying and spreading in the body. It is important to follow the prescribed dosage and duration of treatment to effectively manage the condition.

Explanation
Adefovir is the correct answer because it is the generic name for the medication Hepsera. Hepsera is an antiviral drug used to treat chronic hepatitis B infection. Adefovir works by inhibiting the replication of the hepatitis B virus in the body. Therefore, Adefovir is the correct answer as it is the active ingredient in the medication Hepsera.

Explanation
Emtriva is a brand name for the drug emtricitabine. Emtricitabine is a medication that belongs to the class of antiviral drugs called nucleoside reverse transcriptase inhibitors (NRTIs). It is used in the treatment of HIV infection, either alone or in combination with other antiretroviral medications. Emtricitabine works by inhibiting the reverse transcriptase enzyme, which is necessary for the replication of the HIV virus. By blocking this enzyme, emtricitabine helps to reduce the viral load in the body and slow down the progression of HIV infection.

Explanation
Pegylated interferon alfa-2a, also known as Pegasys, is a medication used to treat certain viral infections, including hepatitis B and C. It is a form of interferon that has been modified with polyethylene glycol (PEG) to increase its effectiveness and prolong its action in the body. By binding to specific receptors on cells, pegylated interferon alfa-2a helps to boost the immune response and fight off the viral infection. It is administered via injection and is typically used in combination with other medications for optimal treatment outcomes.