Infectious Diseases and Viruses Quiz
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Questions and Answers

What is one of the most common symptoms of acute 2019-nCoV infections?

  • Nausea
  • Shortness of breath (correct)
  • Loss of taste
  • Rash

    • What serious symptoms indicate a need for urgent medical attention in COVID-19 patients?

  • Dry cough
  • Fatigue
  • Chest pain or pressure (correct)
  • Muscle aches

    • What is a characteristic of Norovirus?

  • Is treatable with antibiotics
  • Is resistant to acidic environments (correct)
  • Can be vaccinated against
  • Causes chronic infections

    • Which of the following is true regarding the Ortho Myxovirus family?

    <p>The family is responsible for annual flu epidemics due to mutation</p> Signup and view all the answers

    What are the common methods used for diagnosing COVID-19?

    <p>PCR and antigen tests</p> Signup and view all the answers

    What is true about Echoviruses?

    <p>Echovirus 11 causes viral meningitis.</p> Signup and view all the answers

    Which of the following statements about coronaviruses is correct?

    <p>Coronaviruses include four subfamilies, one of which is gamma.</p> Signup and view all the answers

    What are the main symptoms of SARS?

    <p>Severe pneumonia with high fever and diarrhea.</p> Signup and view all the answers

    What distinguishes Covid-19 from other coronaviruses?

    <p>It is caused by a novel coronavirus, SARS-CoV-2.</p> Signup and view all the answers

    Which of these is a preventive measure for common colds?

    <p>Handwashing and disinfection of contaminated objects.</p> Signup and view all the answers

    What is a key characteristic of Picornavirus?

    <p>Naked icosahedral capsid</p> Signup and view all the answers

    What percentage of poliovirus infections are asymptomatic?

    <p>90%</p> Signup and view all the answers

    Which type of poliovirus vaccine is associated with a risk of vaccine-related disease?

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

    What is the primary condition caused by Coxsackie A virus?

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

    Which of the following statements about the inactivated (Salk) vaccine is true?

    <p>Safe for immunocompromised individuals</p> Signup and view all the answers

    What symptom is characteristic of paralytic polio?

    <p>Asymmetric flaccid paralysis</p> Signup and view all the answers

    Which disease is associated with Coxsackie A16?

    <p>Hand-foot-and-mouth disease</p> Signup and view all the answers

    What kind of immunity does the live (Sabin) vaccine provide?

    <p>Life-long immunity</p> Signup and view all the answers

    What is the main characteristic of the acute phase following viral exposure?

    <p>Fever and mononucleosis-like syndrome occur.</p> Signup and view all the answers

    In which phase do opportunistic infections such as candidiasis and pneumonia commonly occur?

    <p>Acute phase</p> Signup and view all the answers

    What happens during the chronic phase of the viral infection?

    <p>Symptoms are minimal with some lymph node enlargement.</p> Signup and view all the answers

    Which symptom is indicative of the early stage of the final phase?

    <p>400-500 CD4 lymphocytes per microliter.</p> Signup and view all the answers

    What is one of the reasons for the complexity of antiretroviral treatment?

    <p>The occurrence of several viral species coexisting.</p> Signup and view all the answers

    What condition is associated with a CD4 lymphocyte count between 50 and 200 per microliter?

    <p>Candidiasis in the esophagus</p> Signup and view all the answers

    Which of the following is a treatment option included in highly active antiretroviral therapy?

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

    What is a key characteristic of HIV vaccines that has hindered their development?

    <p>Mutation of the virus</p> Signup and view all the answers

    Which hepatitis virus is associated with chronic infection?

    <p>Both B and C</p> Signup and view all the answers

    Which organism is responsible for pneumonia in individuals with a CD4 count below 200 lymphocytes per microliter?

    <p>Pneumocystis jiroveci</p> Signup and view all the answers

    What is the viral structure of Hepatitis B?

    <p>DNA enveloped</p> Signup and view all the answers

    What is a common clinical syndrome caused by Respiratory Syncytial Virus (RSV) in infants?

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

    What can lead to a retinitis condition in patients with an advanced HIV infection?

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

    What is the primary transmission method of the Rabies virus?

    <p>Direct contact with infected animals</p> Signup and view all the answers

    Which of the following activities is part of prevention for HIV?

    <p>Safe sexual practices</p> Signup and view all the answers

    What is the incubation period for Rabies before symptoms develop?

    <p>60-365 days</p> Signup and view all the answers

    What is a common symptom observed in the neurologic phase of Rabies?

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

    Which virus is known for causing hemorrhagic fever among the filoviruses?

    <p>Marburg virus</p> Signup and view all the answers

    What is a key preventive measure for Rabies in humans who are in close contact with animals?

    <p>Postexposure prophylaxis</p> Signup and view all the answers

    Which animal is commonly associated with the initial spread of the Ebola virus?

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

    What complication can arise due to vaccination for Filoviruses?

    <p>Enhanced severity of subsequent Ebola infections</p> Signup and view all the answers

    Study Notes

    Clinical Virology

    • Chapter 13 of Clinical Virology course by Dra Verónica Veses Jiménez.
    • Covers various DNA and RNA viruses, including their characteristics, pathogenesis, clinical syndromes, treatment, and prevention.

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    Description

    Test your knowledge on infectious diseases, including COVID-19, noroviruses, and polio. This quiz covers symptoms, diagnostic methods, and key characteristics of various viruses. Challenge yourself with questions about vaccines and preventive measures related to these diseases.

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