Measles Infection Epidemiology and Pathogenesis

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Questions and Answers

What is the virus receptor for Parvovirus B19?

  • Albumin
  • Hemoglobin
  • Cholesterol
  • Globoside (correct)

Which cells, other than erythroid precursor nuclei, can be affected by Parvovirus B19?

  • Fibroblasts
  • Muscle cells
  • Endothelial cells (correct)
  • Nerve cells

What type of rash appears as 'blueberry muffin' due to extramedullary hematopoiesis?

  • Rash caused by Streptococcus bacteria
  • Rash caused by Parvovirus B19 (correct)
  • Rash caused by allergic reaction
  • Rash caused by fungal infection

Which method is used to detect acquired infections?

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

In which patients does aplastic crisis develop when infected with Parvovirus B19?

<p>Patients with chronic hemolytic anemias (B)</p> Signup and view all the answers

Which infection screening does Parvovirus B19 belong to?

<p>TORCHS for congenital infections (A)</p> Signup and view all the answers

What is used to help detect congenital infections caused by Parvovirus B19?

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

Which disease is associated with symptoms similar to rheumatoid arthritis due to Parvovirus B19 infection?

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

What is the characteristic appearance of rash due to extramedullary hematopoiesis?

<p>Blueberry muffin rash (C)</p> Signup and view all the answers

Which technique is commonly used to detect Parvovirus B19 in respiratory secretions?

<p>Virus culture (B)</p> Signup and view all the answers

Which cells serve as the primary site for replication of Parvovirus B19?

<p>Erythroid precursor nuclei (B)</p> Signup and view all the answers

What is the receptor for Parvovirus B19 to enter host cells?

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

Which type of patients are prone to developing aplastic crisis when infected with Parvovirus B19?

<p>Patients with chronic hemolytic anemias (D)</p> Signup and view all the answers

Which serological tests are useful for detecting congenital infections caused by Parvovirus B19?

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

Which disease, often associated with autoimmune conditions, can be triggered by Parvovirus B19 infection?

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

Which cells, in addition to erythroid precursor nuclei, can be affected by Parvovirus B19?

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

Which infection screening protocol includes Parvovirus B19 for evaluation?

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

What is the characteristic rash associated with Erythema infectiosum caused by Parvovirus B19?

<p>Slapped cheek rash (B)</p> Signup and view all the answers

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