Podcast
Questions and Answers
What type of viral infection results in the death of the host cell?
What type of viral infection results in the death of the host cell?
- Latent
- Abortive
- Lytic (correct)
- Persistent
Which term describes a viral infection that does not produce new viruses?
Which term describes a viral infection that does not produce new viruses?
- Abortive (correct)
- Latent
- Chronic
- Lytic
What is a characteristic of a chronic viral infection?
What is a characteristic of a chronic viral infection?
- Rapid recovery
- Non-lytic but productive (correct)
- Immediate cell death
- No virus production
Which type of viral infection is characterized by a prolonged incubation period?
Which type of viral infection is characterized by a prolonged incubation period?
What is the main characteristic of a latent viral infection?
What is the main characteristic of a latent viral infection?
Which type of infection can lead to oncogenic changes in the host cell?
Which type of infection can lead to oncogenic changes in the host cell?
Altered cell shape is an example of what effect caused by viral infection?
Altered cell shape is an example of what effect caused by viral infection?
What is a cytopathic effect?
What is a cytopathic effect?
Which effect of viral infection involves changes in the host cell's chemical molecules?
Which effect of viral infection involves changes in the host cell's chemical molecules?
Damage to host cell DNA is categorized as what kind of effect?
Damage to host cell DNA is categorized as what kind of effect?
Which of the following is an example of a morphological effect?
Which of the following is an example of a morphological effect?
What can genotoxic effects potentially initiate in a host cell?
What can genotoxic effects potentially initiate in a host cell?
Apoptosis refers to which of the following?
Apoptosis refers to which of the following?
What happens to viral nucleic acid in transforming infections?
What happens to viral nucleic acid in transforming infections?
Which of the following is a characteristic of lytic infections?
Which of the following is a characteristic of lytic infections?
Which type of effect involves the fusion of membranes?
Which type of effect involves the fusion of membranes?
What is a potential outcome of oncogenic viruses?
What is a potential outcome of oncogenic viruses?
Which of the following is associated with changes in ion movement?
Which of the following is associated with changes in ion movement?
What distinguishes a chronic infection from a latent infection?
What distinguishes a chronic infection from a latent infection?
Cold sores and shingles are examples of what type of viral infection?
Cold sores and shingles are examples of what type of viral infection?
What is a key difference between lytic and persistent viral infections?
What is a key difference between lytic and persistent viral infections?
Which infection does not result in virus production?
Which infection does not result in virus production?
Which infection involves viral nucleic acid remaining indefinitely without virus production and possible oncogenic changes?
Which infection involves viral nucleic acid remaining indefinitely without virus production and possible oncogenic changes?
Which of the following is NOT a morphological effect?
Which of the following is NOT a morphological effect?
What type of effect is the lysis of a host cell?
What type of effect is the lysis of a host cell?
Which of the following is not a characteristic of persistent viral infections?
Which of the following is not a characteristic of persistent viral infections?
What is the main characteristic of chronic viral infection?
What is the main characteristic of chronic viral infection?
What is the main characteristic of slow viral infection?
What is the main characteristic of slow viral infection?
What part of a cell does genotoxic viral infection damage?
What part of a cell does genotoxic viral infection damage?
Which type of viral infection has its viral nucleic acid remaining indefinitely without virus production?
Which type of viral infection has its viral nucleic acid remaining indefinitely without virus production?
Which of the following results in altered shape, lysis, membrane fusion, and programmed cell death?
Which of the following results in altered shape, lysis, membrane fusion, and programmed cell death?
Which of the following is NOT a Physiological/Biochemical Effects?
Which of the following is NOT a Physiological/Biochemical Effects?
Which of the following isn't a effect of Genotoxic/ Mutation?
Which of the following isn't a effect of Genotoxic/ Mutation?
Which infection does not cause death?
Which infection does not cause death?
What infections remains in asymptomatic host for long period?
What infections remains in asymptomatic host for long period?
If a patient has cold sores, what type of infection is this?
If a patient has cold sores, what type of infection is this?
What is Cytocidal?
What is Cytocidal?
Which of the following does Morphological Effects not affect??
Which of the following does Morphological Effects not affect??
Flashcards
Abortive Infection
Abortive Infection
Infection without viral production.
Lytic (Cytocidal) Infection
Lytic (Cytocidal) Infection
Viral infection that results in host cell death.
Persistent Chronic Infection
Persistent Chronic Infection
Long-term, productive, non-lytic infection.
Persistent Latent Infection
Persistent Latent Infection
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Persistent Slow Infection
Persistent Slow Infection
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Transforming Infection
Transforming Infection
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Cytopathic Effects
Cytopathic Effects
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Physiological/Biochemical Effects
Physiological/Biochemical Effects
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Genotoxic/Mutation Effects
Genotoxic/Mutation Effects
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Oncogenic Viruses
Oncogenic Viruses
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Study Notes
- Abortive infections do not result in viral production.
- Lytic or cytocidal infections lead to the death of the host cell.
Persistent Infections
- Chronic infections are non-lytic but productive.
- Latent infections involve the virus remaining in the host without symptoms for an extended period (e.g., cold sores, shingles).
- Slow infections have a long incubation period, followed by disease.
- Transforming infections occur when viral nucleic acid remains indefinitely without virus production, potentially leading to oncogenic changes.
Host Cell Damage
Morphological Effects (Cytopathic)
- Host cell damage can manifest as altered shape, lysis, membrane fusion, or programmed cell death (apoptosis).
Physiological/Biochemical Effects
- Virus infections can cause changes in ion movement or host cell chemical molecules.
Genotoxic/Mutation Effects
- Host cell DNA may be damaged.
- Infections can initiate cancer.
- Oncogenic viruses are those that can cause tumors.
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