Fundamentals of Virology Quiz
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Questions and Answers

Which of the following is NOT a type of nucleic acid found in viruses?

  • Triple stranded RNA (correct)
  • Circular segmented DNA
  • Single stranded RNA
  • Double linear DNA

    • What is a virion?

  • A virus particle with an envelope
  • A virus particle without an envelope
  • A protein coat surrounding a nucleic acid core (correct)
  • A virus particle that can infect both plants and animals

    • Which type of viruses are environmentally stable?

  • Enveloped viruses
  • DNA viruses
  • RNA viruses
  • Naked viruses (correct)

    • What is the range of virus size according to the text?

    <p>20-300 nm</p> Signup and view all the answers

    Which of the following is NOT a stage of HIV-1?

    <p>HIV-Associated Dementia</p> Signup and view all the answers

    Which virus causes Rabies?

    <p>Rhabdovirus</p> Signup and view all the answers

    Which of the following is NOT an RNA virus family?

    <p>Hepadnaviridae</p> Signup and view all the answers

    Which virus causes German Measles or Rubella?

    <p>Rubivirus</p> Signup and view all the answers

    What is the replication cycle of viruses?

    <p>Absorption, Penetration, Uncoating, Synthesis, Assembly of virion, Release</p> Signup and view all the answers

    Which of the following is true about viruses?

    <p>Viruses require other cells to reproduce</p> Signup and view all the answers

    What is a virion?

    <p>A mature virus particle containing a nucleic acid core surrounded by a protein coat</p> Signup and view all the answers

    Which of the following is true about nucleocapsids?

    <p>They are surrounded by a protein coat called the capsid</p> Signup and view all the answers

    What is the difference between enveloped and naked viruses?

    <p>Enveloped viruses are environmentally stable, while naked viruses are environmentally labile</p> Signup and view all the answers

    Which of the following is true about laboratory diagnosis of viral infections?

    <p>It includes serology and cell culture selection for virus isolation</p> Signup and view all the answers

    Which of the following is a DNA virus?

    <p>Papovaviridae</p> Signup and view all the answers

    Which virus causes German Measles or Rubella?

    <p>Rubivirus</p> Signup and view all the answers

    What is the size range of Rhabdoviridae?

    <p>50-95 nm x 130-389 nm</p> Signup and view all the answers

    Which virus is associated with Adult T-cell leukemia and lymphoma?

    <p>HTLV-1</p> Signup and view all the answers

    Which of the following is true about viruses?

    <p>Viruses require other cells to reproduce</p> Signup and view all the answers

    What is a virion?

    <p>A mature virus particle containing a nucleic acid core surrounded by a protein coat</p> Signup and view all the answers

    Which of the following is true about nucleocapsids?

    <p>They are surrounded by a protein coat called the capsid</p> Signup and view all the answers

    What is the difference between enveloped and naked viruses?

    <p>Enveloped viruses are environmentally stable, while naked viruses are environmentally labile</p> Signup and view all the answers

    Which of the following is true about laboratory diagnosis of viral infections?

    <p>It includes serology and cell culture selection for virus isolation</p> Signup and view all the answers

    Which of the following is a DNA virus?

    <p>Papovaviridae</p> Signup and view all the answers

    Which virus causes German Measles or Rubella?

    <p>Rubivirus</p> Signup and view all the answers

    What is the size range of Rhabdoviridae?

    <p>50-95 nm x 130-389 nm</p> Signup and view all the answers

    Which virus is associated with Adult T-cell leukemia and lymphoma?

    <p>HTLV-1</p> Signup and view all the answers

    What is the largest animal virus in terms of size?

    <p>Poxvindae</p> Signup and view all the answers

    Which type of viruses have envelopes that can be from the host cell membrane, host nuclear membrane, or are 'naked'?

    <p>Both RNA and DNA viruses</p> Signup and view all the answers

    What is the family of bullet-shaped viruses with a size range of 50-95 nm x 130-389 nm?

    <p>Rhabdoviridae</p> Signup and view all the answers

    Which of the following viruses is associated with Hairy Cell leukemia?

    <p>HTLV-2</p> Signup and view all the answers

    Which of the following is NOT a laboratory diagnosis of viral infections?

    <p>Antibiotic treatment</p> Signup and view all the answers

    Which virus causes Colorado Tick Fever?

    <p>Orbivirus</p> Signup and view all the answers

    Which of the following is NOT a stage of HIV-2?

    <p>Sezary 7 cell leukemia</p> Signup and view all the answers

    Which virus family includes Eastern equine encephalitis, Western equine encephalitis, and Venezuelan equine encephalitis?

    <p>Togaviridae</p> Signup and view all the answers

    Which virus family includes coronaviruses?

    <p>Coronavindae</p> Signup and view all the answers

    Which of the following is a characteristic of all viruses?

    <p>They require other cells to reproduce</p> Signup and view all the answers

    Which of the following is the largest RNA virus?

    <p>Paramyxoviruses</p> Signup and view all the answers

    Which of the following is a family of spherical viruses?

    <p>Togaviridae</p> Signup and view all the answers

    Which of the following is a DNA virus family?

    <p>Adenoviridae</p> Signup and view all the answers

    Which of the following is a characteristic of naked viruses?

    <p>They are environmentally labile</p> Signup and view all the answers

    Which of the following is associated with Adult T-cell leukemia?

    <p>HTLV-1</p> Signup and view all the answers

    Which of the following is a stage of HIV-1?

    <p>HIV-Related Complex</p> Signup and view all the answers

    Which of the following is a laboratory diagnosis method for viral infections?

    <p>Clinical symptoms</p> Signup and view all the answers

    Which of the following viruses is associated with German Measles or Rubella?

    <p>Rubivirus</p> Signup and view all the answers

    What is the largest RNA virus family according to the text?

    <p>Bunyavindae</p> Signup and view all the answers

    Which of the following is a characteristic of naked viruses?

    <p>They are not environmentally stable</p> Signup and view all the answers

    Which virus family includes viruses that cause Eastern equine encephalitis and Western equine encephalitis?

    <p>Alphavirus</p> Signup and view all the answers

    What is the size range of Rhabdoviridae viruses according to the text?

    <p>50-95 nm x 130-389 nm</p> Signup and view all the answers

    Which virus family is associated with Sezary 7 cell leukemia?

    <p>Retroviridae</p> Signup and view all the answers

    Which of the following is a characteristic of enveloped viruses?

    <p>They have an envelope from the host cell membrane</p> Signup and view all the answers

    What is the replication cycle of viruses according to the text?

    <p>Absorption, penetration, uncoating, assembly of virion, and release</p> Signup and view all the answers

    What is the size range of Togaviridae viruses according to the text?

    <p>60-70 nm</p> Signup and view all the answers

    Which virus family includes viruses that cause Adult T-cell leukemia?

    <p>Retroviridae</p> Signup and view all the answers

    Which of the following RNA viruses is NOT included in the list provided in the text?

    <p>Caliciviridae</p> Signup and view all the answers

    Which of the following DNA viruses is NOT included in the list provided in the text?

    <p>Retroviridae</p> Signup and view all the answers

    Which of the following is NOT a disease associated with HTLV-1?

    <p>Hairy Cell leukemia</p> Signup and view all the answers

    Which of the following is the largest animal virus?

    <p>Poxvindae</p> Signup and view all the answers

    Which of the following is NOT a stage of HIV-1?

    <p>Chronic Latency</p> Signup and view all the answers

    Which of the following is NOT a type of capsid symmetry found in viruses?

    <p>Linear</p> Signup and view all the answers

    Which of the following is NOT a step in the replication cycle of viruses?

    <p>Infection</p> Signup and view all the answers

    Which of the following is NOT a disease caused by Alphavirus (Group A Arbovirus)?

    <p>Colorado Tick Fever</p> Signup and view all the answers

    Which of the following is NOT a method for laboratory diagnosis of viral infections?

    <p>Antibiotic susceptibility testing</p> Signup and view all the answers

    What is the largest RNA virus according to the text?

    <p>Bunyavindae</p> Signup and view all the answers

    Which virus is associated with Hairy Cell leukemia?

    <p>HTLV-2</p> Signup and view all the answers

    What is the size range of Retroviridae viruses according to the text?

    <p>80-100 nm</p> Signup and view all the answers

    Which virus causes Colorado Tick Fever according to the text?

    <p>Orbivirus</p> Signup and view all the answers

    What is the capsid symmetry of viruses according to the text?

    <p>Helical, icosahedral, or complex</p> Signup and view all the answers

    Which virus group includes Eastern equine encephalitis, Western equine encephalitis, and Venezuelan equine encephalitis according to the text?

    <p>Alphavirus</p> Signup and view all the answers

    What is the difference between enveloped and naked viruses according to the text?

    <p>Enveloped viruses have a protein coat, while naked viruses do not</p> Signup and view all the answers

    What is the replication cycle of viruses according to the text?

    <p>Absorption, penetration, uncoating, synthesis, assembly of virion, and release</p> Signup and view all the answers

    What is the obligate nature of viruses according to the text?

    <p>They require other cells to reproduce since they do not have their own metabolic machineries</p> Signup and view all the answers

    Study Notes

    Fundamentals of Virology

    • Viruses are the smallest infectious agents and contain only one type of nucleic acid (DNA or RNA).

    • A virion is a mature virus particle containing a nucleic acid core surrounded by a protein coat, with or without an envelope.

    • Each virus contains only one kind of nucleic acid (DNA or RNA), classified as single stranded, double linear, circular segmented, or non-segmented.

    • Each nucleocapsid contains a nucleic acid core surrounded by a protein coat, the capsid, with capsid symmetry either helical, icosahedral, or complex.

    • Some viruses have envelopes which can be from the host cell membrane, host nuclear membrane, or are "naked".

    • Naked viruses are environmentally stable, while enveloped viruses are environmentally labile and modify cell membrane during replication; they are released by budding and occasionally, cell lysis.

    • Viruses range in size from 20-300 nm, with pox viruses being the largest DNA viruses, paramyxoviruses being the largest RNA viruses, and parvoviruses being the smallest animal virus.

    • Viruses are obligate intracellular parasites and require other cells to reproduce since they do not have their own metabolic machineries.

    • The replication cycle of viruses includes absorption, penetration, uncoating, synthesis, assembly of virion, and release.

    • Laboratory diagnosis of viral infections includes clinical symptoms, direct examination, serology, and cell culture selection for virus isolation and presumptive diagnosis.

    • DNA viruses include adenoviridae, hepadnaviridae, herpesviridae, papovaviridae, parvoviridae, and poxvindae.

    • RNA viruses include arenavirus, bunyavindae, caliciviridae, coronavindae, filoviridae, orthomyxoviridae, paramyxoviridae, picornaviridae, and reoviridae.Summary of Viruses and Associated Diseases

    • Gastroenteritis affects infants and children aged 6 months to 2 years.

    • Colorado Tick Fever is caused by Orbivirus.

    • Retroviridae is a family of viruses that are slightly pleomorphic to spherical and have a size range of 80-100 nm.

    • HTLV-1 is associated with Adult T-cell leukemia, Sezary 7 cell leukemia, and lymphoma.

    • HTLV-2 is associated with Hairy Cell leukemia.

    • HIV-1 has three stages: asymptomatic, AIDS-Related Complex, and Full Blown AIDS.

    • HIV-2 causes immunodeficiency and is less pathogenic than HIV-1.

    • Rhabdoviridae is a family of bullet-shaped viruses with a size range of 50-95 nm x 130-389 nm.

    • Rabies virus causes Rabies.

    • Togaviridae is a family of spherical viruses with a size range of 60-70 nm.

    • Alphavirus (Group A Arbovirus) includes Eastern equine encephalitis, Western equine encephalitis, Venezuelan equine encephalitis.

    • Rubivirus causes German Measles or Rubella.

    Fundamentals of Virology

    • Viruses are the smallest infectious agents and contain only one type of nucleic acid (DNA or RNA).

    • A virion is a mature virus particle containing a nucleic acid core surrounded by a protein coat, with or without an envelope.

    • Each virus contains only one kind of nucleic acid (DNA or RNA), classified as single stranded, double linear, circular segmented, or non-segmented.

    • Each nucleocapsid contains a nucleic acid core surrounded by a protein coat, the capsid, with capsid symmetry either helical, icosahedral, or complex.

    • Some viruses have envelopes which can be from the host cell membrane, host nuclear membrane, or are "naked".

    • Naked viruses are environmentally stable, while enveloped viruses are environmentally labile and modify cell membrane during replication; they are released by budding and occasionally, cell lysis.

    • Viruses range in size from 20-300 nm, with pox viruses being the largest DNA viruses, paramyxoviruses being the largest RNA viruses, and parvoviruses being the smallest animal virus.

    • Viruses are obligate intracellular parasites and require other cells to reproduce since they do not have their own metabolic machineries.

    • The replication cycle of viruses includes absorption, penetration, uncoating, synthesis, assembly of virion, and release.

    • Laboratory diagnosis of viral infections includes clinical symptoms, direct examination, serology, and cell culture selection for virus isolation and presumptive diagnosis.

    • DNA viruses include adenoviridae, hepadnaviridae, herpesviridae, papovaviridae, parvoviridae, and poxvindae.

    • RNA viruses include arenavirus, bunyavindae, caliciviridae, coronavindae, filoviridae, orthomyxoviridae, paramyxoviridae, picornaviridae, and reoviridae.Summary of Viruses and Associated Diseases

    • Gastroenteritis affects infants and children aged 6 months to 2 years.

    • Colorado Tick Fever is caused by Orbivirus.

    • Retroviridae is a family of viruses that are slightly pleomorphic to spherical and have a size range of 80-100 nm.

    • HTLV-1 is associated with Adult T-cell leukemia, Sezary 7 cell leukemia, and lymphoma.

    • HTLV-2 is associated with Hairy Cell leukemia.

    • HIV-1 has three stages: asymptomatic, AIDS-Related Complex, and Full Blown AIDS.

    • HIV-2 causes immunodeficiency and is less pathogenic than HIV-1.

    • Rhabdoviridae is a family of bullet-shaped viruses with a size range of 50-95 nm x 130-389 nm.

    • Rabies virus causes Rabies.

    • Togaviridae is a family of spherical viruses with a size range of 60-70 nm.

    • Alphavirus (Group A Arbovirus) includes Eastern equine encephalitis, Western equine encephalitis, Venezuelan equine encephalitis.

    • Rubivirus causes German Measles or Rubella.

    Fundamentals of Virology

    • Viruses are the smallest infectious agents and contain only one type of nucleic acid (DNA or RNA).

    • A virion is a mature virus particle containing a nucleic acid core surrounded by a protein coat, with or without an envelope.

    • Each virus contains only one kind of nucleic acid (DNA or RNA), classified as single stranded, double linear, circular segmented, or non-segmented.

    • Each nucleocapsid contains a nucleic acid core surrounded by a protein coat, the capsid, with capsid symmetry either helical, icosahedral, or complex.

    • Some viruses have envelopes which can be from the host cell membrane, host nuclear membrane, or are "naked".

    • Naked viruses are environmentally stable, while enveloped viruses are environmentally labile and modify cell membrane during replication; they are released by budding and occasionally, cell lysis.

    • Viruses range in size from 20-300 nm, with pox viruses being the largest DNA viruses, paramyxoviruses being the largest RNA viruses, and parvoviruses being the smallest animal virus.

    • Viruses are obligate intracellular parasites and require other cells to reproduce since they do not have their own metabolic machineries.

    • The replication cycle of viruses includes absorption, penetration, uncoating, synthesis, assembly of virion, and release.

    • Laboratory diagnosis of viral infections includes clinical symptoms, direct examination, serology, and cell culture selection for virus isolation and presumptive diagnosis.

    • DNA viruses include adenoviridae, hepadnaviridae, herpesviridae, papovaviridae, parvoviridae, and poxvindae.

    • RNA viruses include arenavirus, bunyavindae, caliciviridae, coronavindae, filoviridae, orthomyxoviridae, paramyxoviridae, picornaviridae, and reoviridae.Summary of Viruses and Associated Diseases

    • Gastroenteritis affects infants and children aged 6 months to 2 years.

    • Colorado Tick Fever is caused by Orbivirus.

    • Retroviridae is a family of viruses that are slightly pleomorphic to spherical and have a size range of 80-100 nm.

    • HTLV-1 is associated with Adult T-cell leukemia, Sezary 7 cell leukemia, and lymphoma.

    • HTLV-2 is associated with Hairy Cell leukemia.

    • HIV-1 has three stages: asymptomatic, AIDS-Related Complex, and Full Blown AIDS.

    • HIV-2 causes immunodeficiency and is less pathogenic than HIV-1.

    • Rhabdoviridae is a family of bullet-shaped viruses with a size range of 50-95 nm x 130-389 nm.

    • Rabies virus causes Rabies.

    • Togaviridae is a family of spherical viruses with a size range of 60-70 nm.

    • Alphavirus (Group A Arbovirus) includes Eastern equine encephalitis, Western equine encephalitis, Venezuelan equine encephalitis.

    • Rubivirus causes German Measles or Rubella.

    Fundamentals of Virology

    • Viruses are the smallest infectious agents and contain only one type of nucleic acid (DNA or RNA).

    • A virion is a mature virus particle containing a nucleic acid core surrounded by a protein coat, with or without an envelope.

    • Each virus contains only one kind of nucleic acid (DNA or RNA), classified as single stranded, double linear, circular segmented, or non-segmented.

    • Each nucleocapsid contains a nucleic acid core surrounded by a protein coat, the capsid, with capsid symmetry either helical, icosahedral, or complex.

    • Some viruses have envelopes which can be from the host cell membrane, host nuclear membrane, or are "naked".

    • Naked viruses are environmentally stable, while enveloped viruses are environmentally labile and modify cell membrane during replication; they are released by budding and occasionally, cell lysis.

    • Viruses range in size from 20-300 nm, with pox viruses being the largest DNA viruses, paramyxoviruses being the largest RNA viruses, and parvoviruses being the smallest animal virus.

    • Viruses are obligate intracellular parasites and require other cells to reproduce since they do not have their own metabolic machineries.

    • The replication cycle of viruses includes absorption, penetration, uncoating, synthesis, assembly of virion, and release.

    • Laboratory diagnosis of viral infections includes clinical symptoms, direct examination, serology, and cell culture selection for virus isolation and presumptive diagnosis.

    • DNA viruses include adenoviridae, hepadnaviridae, herpesviridae, papovaviridae, parvoviridae, and poxvindae.

    • RNA viruses include arenavirus, bunyavindae, caliciviridae, coronavindae, filoviridae, orthomyxoviridae, paramyxoviridae, picornaviridae, and reoviridae.Summary of Viruses and Associated Diseases

    • Gastroenteritis affects infants and children aged 6 months to 2 years.

    • Colorado Tick Fever is caused by Orbivirus.

    • Retroviridae is a family of viruses that are slightly pleomorphic to spherical and have a size range of 80-100 nm.

    • HTLV-1 is associated with Adult T-cell leukemia, Sezary 7 cell leukemia, and lymphoma.

    • HTLV-2 is associated with Hairy Cell leukemia.

    • HIV-1 has three stages: asymptomatic, AIDS-Related Complex, and Full Blown AIDS.

    • HIV-2 causes immunodeficiency and is less pathogenic than HIV-1.

    • Rhabdoviridae is a family of bullet-shaped viruses with a size range of 50-95 nm x 130-389 nm.

    • Rabies virus causes Rabies.

    • Togaviridae is a family of spherical viruses with a size range of 60-70 nm.

    • Alphavirus (Group A Arbovirus) includes Eastern equine encephalitis, Western equine encephalitis, Venezuelan equine encephalitis.

    • Rubivirus causes German Measles or Rubella.

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    Test your knowledge about the Fundamentals of Virology with this quiz! Learn about the characteristics of viruses, their replication cycle, and laboratory diagnosis of viral infections. Additionally, expand your knowledge about specific viruses and their associated diseases. Are you ready to become a virology expert? Take this quiz and find out!

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