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 (D)</p> Signup and view all the answers

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

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

What is the incubation period of COVID-19?

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

How is SARS-CoV-2 transmitted?

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

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

<p>Ciliated bronchial epithelial cells (A)</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 (C)</p> Signup and view all the answers

What is the pathogenesis of SARS-CoV-2?

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

What is the mechanism of action of molnupiravir?

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

Which coronavirus has the largest genome of all RNA viruses?

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

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

<p>RdRp (D)</p> Signup and view all the answers

How many human coronaviruses are known to date?

<p>Seven (D)</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 (C)</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 (D)</p> Signup and view all the answers

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

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

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

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

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

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

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

<p>Dermatologic (B)</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 (A)</p> Signup and view all the answers

What is the incubation period of COVID-19?

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

Which of the following is NOT a common human coronavirus?

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

What is the function of NSP14 in coronaviruses?

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

What is the replication cycle of coronaviruses?

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

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

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

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

<p>Nanoparticles (C)</p> Signup and view all the answers

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

<p>Gastrointestinal (A)</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 (A)</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 (C)</p> Signup and view all the answers

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

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

Which antiviral causes mutations of RdRp?

<p>Molnupiravir (D)</p> Signup and view all the answers

What is the morphology of SARS-CoV-2?

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

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

<p>Coronaviridae (D)</p> Signup and view all the answers

What is the function of NSP14 in coronaviruses?

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

How many human coronaviruses are there with high pathogenic potential?

<p>5 (C)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

<p>ACE-2 (C)</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 (A)</p> Signup and view all the answers

What is the pathogenesis of SARS-CoV-2?

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

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

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

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