QUIZ FOR INFECTION OF THE RESPIRATORY TRACT

Which age group is most commonly affected by croup?

• Infants under 1 year old

• Children aged 1-3 years

• Adults aged 30-40 years

• Elderly individuals over 60 years

What is the primary mode of transmission for croup?

• Direct contact with contaminated surfaces

• Inhalation of respiratory droplet

• Consumption of contaminated food

• Bite from an effected insect

Which influenza type is responsible for pandemics?

• Influenza A

• Influenza B

• Influenza C

• All of the above

What is antigenic drift in influenza viruses?

• A major change involving gene rearrangement

• A minor change due to point mutations

• A complete replacement of surface antigens

• A recombination of strains from different species

What is the incubation period for influenza?

• 24 hours

• 4-7 days

• 10-14 days

• 1-3 days

Which strain of influenza is associated with the avian flu?

• H5N1

• H2N2

• H1N1

• H3N2

What was the cause of the 1919-1920 Spanish flu pandemic?

• Influenza C

• Influenza A(H1N1)

• Influenza B

• Influenza A(H2N2)

Which individuals are at higher risk of influenza complications?

• Smokers and immunocompromised individuals

• People with underlying cardiac or respiratory conditions

• All of the above

• Children and the elderly

During which season are RSV infections most prevalent?

• Spring

• Winter

• Summer

• Autumn

What are the main points of entry for RSV into the host?

• Skin and lungs

• Ears and throat

• Mouth and ears

• Nose and eyes