L3 Clin Med Delayed Hypersensitivity

What is a key characteristic of innate immunity?

• Develops after birth

• Kills specific pathogens

• Present before birth

• Response to infection

Which type of immunity kills a broad spectrum of pathogens?

• Both

• Innate

• Adaptive

• Neither

When does adaptive immunity develop?

• Never

• During birth

• After birth

• Before birth

Which type of immunity responds to infection?

• Innate

• Both

• None

• Adaptive

What is a key characteristic of adaptive immunity?

• Develops after birth

• Present before birth

• None of the above

• Kills broad spectrum pathogens

What is the role of dendritic cells in inflammation?

• They secrete antibodies

• They recognize invaders and secrete cytokines

• They destroy infected cells directly

• They produce adhesion molecules

Which of the following is NOT a cardinal sign of infection?

• Redness

• Heat

• Swelling

• Fever

How do blood vessels contribute to the immune response during infection?

• By producing antibodies

• By allowing fluid and immune cells to enter the infected site

• By destroying pathogens directly

• By secreting cytokines

What is a common trigger for Type I hypersensitivity reactions?

• Viruses

• Allergens

• Bacteria

• Fungi

Which type of hypersensitivity involves IgG antibodies targeting specific tissues?

• Type I

• Type II

• Type III

• Type IV