20 Questions
Which virus causes bilateral swelling of the salivary glands and may lead to sterility in males?
Mumps virus
What is the most common cause of fatal acute respiratory tract infections in infants and young children?
RSV
Which of the following is a common complication of measles that affects the central nervous system?
Encephalitis
How is measles primarily transmitted?
Inhalation of large droplet aerosols
Which viral protein is responsible for binding to sialic acid on the surface of epithelial cells?
Hemagglutinin (H)
What is the role of Neuraminidase (N) protein in viral infection?
Cleaves sialic acid to prevent self-binding
Which virus requires N activity to cleave sialic acid on viral glycoproteins?
Influenza virus
What is the most common route of transmission for mumps virus to reach different organs in the body?
Bloodstream (viremia)
Which viral family is associated with causing upper respiratory tract infections such as Parainfluenza, Mumps, and Measles?
Paramyxoviridae
What is a major pathological effect of RSV infection in infants related to immune-mediated cell injury?
Formation of airway obstructions from mucus and necrotic material
What is the primary mode of transmission for Measles virus?
Droplet transmission
Which virus is associated with aerosol transmission and close contact with infected individuals?
Respiratory Syncytia virus
What is a characteristic feature of the pathogenesis of Hantavirus infections?
Hemorrhagic fever
Which statement about Influenza virus pathogenesis is correct?
It targets the respiratory system, leading to respiratory symptoms.
What is a common symptom associated with infections of Enteroviruses?
Myocarditis
How does Rabies virus primarily enter the human body?
Through skin lesions or scratches by rabid animals
Which viral infection is linked to causing birth defects if contracted during pregnancy?
Rubella virus
What is a distinguishing feature of Coronaviruses in terms of viral binding and entry into host cells?
Endocytosis followed by fusion at acidic pH conditions
Which of the following viruses is known for its ability to form multinucleated giant cells upon infection?
Respiratory Syncytia virus
What is a characteristic clinical feature of Measles virus infections in the early stages?
Koplik spots in the mouth
Test your knowledge on the classification of RNA viruses including families, genera, and specific viruses like Measles, Mumps, Influenza, and Rabies. Explore the characteristics of different RNA viruses and their classification based on genome type and envelope presence.
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