Podcast
Questions and Answers
How do HIV particles in the blood affect the efficiency of NK cell activities?
How do HIV particles in the blood affect the efficiency of NK cell activities?
- Increase their ability to kill virus-infected cells
- Enhance the secretion of γ-interferon
- Alter the expression of molecules on NK cell surfaces (correct)
- Activate T lymphocytes
What is the role of perforins released by NK cells in response to viral infection?
What is the role of perforins released by NK cells in response to viral infection?
- Activating B lymphocytes
- Inducing apoptosis in virus-infected cells (correct)
- Coating virions with antibodies
- Enhancing the ability to secrete γ-interferon
What triggers the specific immune response in adaptive immunity against viral infections?
What triggers the specific immune response in adaptive immunity against viral infections?
- Epitopes binding to specific receptors on lymphocytes (correct)
- Cytokines released by infected cells
- The presence of perforins in the blood
- Antibodies coating virions
Where do B lymphocytes develop?
Where do B lymphocytes develop?
What is the main function of antibodies synthesized by plasma cells during a viral infection?
What is the main function of antibodies synthesized by plasma cells during a viral infection?
How does the epitope-lymphocyte receptor interaction lead to an immune response?
How does the epitope-lymphocyte receptor interaction lead to an immune response?
What are the 3 basic biochemical processes involved in virus genome replication?
What are the 3 basic biochemical processes involved in virus genome replication?
Where does genome replication occur in DNA viruses?
Where does genome replication occur in DNA viruses?
What type of genes are transcribed before DNA replication begins in DNA viruses?
What type of genes are transcribed before DNA replication begins in DNA viruses?
Which of the following is a function of early proteins in DNA virus replication?
Which of the following is a function of early proteins in DNA virus replication?
Why do some viruses with smaller genomes depend more on the host cell for replication?
Why do some viruses with smaller genomes depend more on the host cell for replication?
What distinguishes the late genes from the early genes in DNA viruses?
What distinguishes the late genes from the early genes in DNA viruses?
What is the main characteristic that distinguishes cytotoxic T cells?
What is the main characteristic that distinguishes cytotoxic T cells?
How do cytotoxic T cells kill target cells?
How do cytotoxic T cells kill target cells?
What is one of the outcomes of viral infection related to immunological memory?
What is one of the outcomes of viral infection related to immunological memory?
How can immunological memory impact the signs and symptoms of a viral disease?
How can immunological memory impact the signs and symptoms of a viral disease?
What is the consequence of programmed cell death (apoptosis) in virus-infected cells?
What is the consequence of programmed cell death (apoptosis) in virus-infected cells?
What factor can influence the severity of disease caused by pathogenic viruses?
What factor can influence the severity of disease caused by pathogenic viruses?
What is the product of transcription in the context of viral replication?
What is the product of transcription in the context of viral replication?
Which type of RNA viruses replicate via a complementary (+) strand intermediate?
Which type of RNA viruses replicate via a complementary (+) strand intermediate?
What is the main function of late proteins in viral replication?
What is the main function of late proteins in viral replication?
How do RNA viruses with a single-stranded genome of (+) polarity replicate?
How do RNA viruses with a single-stranded genome of (+) polarity replicate?
What is the role of RNA dependent RNA polymerase in RNA virus replication?
What is the role of RNA dependent RNA polymerase in RNA virus replication?
Which type of influenza is considered more virulent in humans based on the text?
Which type of influenza is considered more virulent in humans based on the text?
What might result from a larger dose of the virus according to the text?
What might result from a larger dose of the virus according to the text?
Which statement is true regarding latent viral infections based on the text?
Which statement is true regarding latent viral infections based on the text?
What is a characteristic of abortive viral infections according to the text?
What is a characteristic of abortive viral infections according to the text?
Which factor can reactivate a latent viral infection per the text?
Which factor can reactivate a latent viral infection per the text?
What characterizes productive viral infections according to the text?
What characterizes productive viral infections according to the text?
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