Coronavirus Classification Quiz
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Questions and Answers

Which family does the coronavirus belong to?

  • Flaviviridae
  • Coronaviridae (correct)
  • Orthomyxoviridae
  • Paramyxoviridae

    • What is the genome type of coronavirus?

  • dsDNA
  • +SSRNA (correct)
  • -SSRNA
  • dsRNA

    • What is the function of NSP14 in coronavirus?

  • RNA synthesis
  • Viral polymerase
  • RNA proofreading (correct)
  • Viral attachment

    • What are the main clinical manifestations in severe COVID-19?

    <p>Congestion or runny nose, new loss of taste or smell</p> Signup and view all the answers

    What are the types of vaccines approved against COVID-19?

    <p>mRNA, adenoviral vector, and nanoparticles</p> Signup and view all the answers

    What is the incubation period of COVID-19?

    <p>2-5 days</p> Signup and view all the answers

    How is SARS-CoV-2 transmitted?

    <p>By inhalation of infected respiratory droplets</p> Signup and view all the answers

    What is the primary target cell for SARS-CoV-2?

    <p>Ciliated bronchial epithelial cells</p> Signup and view all the answers

    What is the morphology of SARS-CoV-2?

    <p>Enveloped, 80-160nm in size, containing E1 and E2 glycoproteins</p> Signup and view all the answers

    What is the pathogenesis of SARS-CoV-2?

    <p>Can cause multi-organ dysfunction syndrome</p> Signup and view all the answers

    What is the mechanism of action of molnupiravir?

    <p>Causes mutations of RdRp</p> Signup and view all the answers

    Which coronavirus has the largest genome of all RNA viruses?

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

    What is the name of the protein that is involved in RNA synthesis in coronaviruses?

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

    How many human coronaviruses are known to date?

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

    Which cells are primarily targeted by SARS-CoV-2?

    <p>Ciliated bronchial epithelial cells and type II pneumocytes</p> Signup and view all the answers

    What is the function of the E2 glycoprotein in SARS-CoV-2?

    <p>Mediates viral attachment and membrane fusion</p> Signup and view all the answers

    What is the main clinical manifestation in severe COVID-19?

    <p>Multi-organ dysfunction syndrome (MODS)</p> Signup and view all the answers

    What is the effect of increased cytokine levels in severe COVID-19?

    <p>Induces a cytokine storm</p> Signup and view all the answers

    What are the main types of COVID-19 vaccines approved?

    <p>mRNA, vector, inactivated, and nanoparticles</p> Signup and view all the answers

    What is the most common extrapulmonary manifestation of COVID-19?

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

    What is the impact of COVID-19 at the pulmonary level?

    <p>Fluid collection within the bronchioles, alveolar instability, and the sloughing of endothelial cells</p> Signup and view all the answers

    What is the incubation period of COVID-19?

    <p>2-5 days</p> Signup and view all the answers

    Which of the following is NOT a common human coronavirus?

    <p>MERS-CoV</p> Signup and view all the answers

    What is the function of NSP14 in coronaviruses?

    <p>RNA proofreading</p> Signup and view all the answers

    What is the replication cycle of coronaviruses?

    <p>+SSRNA</p> Signup and view all the answers

    What is the primary mode of transmission of SARS-CoV-2?

    <p>Inhalation of infected respiratory droplets</p> Signup and view all the answers

    Which type of vaccine against COVID-19 is based on nanoparticles coated with spike protein?

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

    What is the most common extrapulmonary manifestation of COVID-19?

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

    What is the impact of SARS-CoV-2 at the pulmonary level?

    <p>Alveolar instability and sloughing of endothelial cells</p> Signup and view all the answers

    What is the primary target cell for SARS-CoV-2?

    <p>Ciliated bronchial epithelial cells and type II pneumocytes</p> Signup and view all the answers

    What is the main pathophysiological mechanism of severe COVID-19?

    <p>All of the above</p> Signup and view all the answers

    Which antiviral causes mutations of RdRp?

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

    What is the morphology of SARS-CoV-2?

    <p>Envelope, 80-160nm in size, spike glycoproteins</p> Signup and view all the answers

    Which coronavirus family does SARS-CoV-2 belong to?

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

    What is the function of NSP14 in coronaviruses?

    <p>RNA proofreading</p> Signup and view all the answers

    How many human coronaviruses are there with high pathogenic potential?

    <p>5</p> Signup and view all the answers

    What are the main clinical manifestations of severe COVID-19?

    <p>Chest pain and shortness of breath</p> Signup and view all the answers

    What are the types of vaccines approved against COVID-19?

    <p>mRNA and vector</p> Signup and view all the answers

    What is the primary mode of transmission of SARS-CoV-2?

    <p>Airborne transmission</p> Signup and view all the answers

    What is the impact of COVID-19 at the pulmonary level?

    <p>Fluid collection within the bronchioles</p> Signup and view all the answers

    What is the primary receptor that SARS-CoV-2 targets?

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

    What is the role of the E2 glycoprotein in SARS-CoV-2?

    <p>Mediates viral attachment and membrane fusion</p> Signup and view all the answers

    What is the pathogenesis of SARS-CoV-2?

    <p>Can infect liver, kidneys, heart, and eyes</p> Signup and view all the answers

    What is the effect of increased cytokine levels in severe COVID-19?

    <p>Increased cytokine storm</p> Signup and view all the answers

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