Innate Immune Response

Review Questions

Which of the following is a barrier against pathogens provided by the skin?

  1. high pH
  2. mucus
  3. tears
  4. desiccation

Hint:

D

Although interferons have several effects, they are particularly useful against infections with which type of pathogen?

  1. bacteria
  2. viruses
  3. fungi
  4. helminths

Hint:

B

Which organelle do phagocytes use to digest engulfed particles?

  1. lysosome
  2. nucleus
  3. endoplasmic reticulum
  4. mitochondria

Hint:

A

Which innate immune system component uses MHC I molecules directly in its defense strategy?

  1. macrophages
  2. neutrophils
  3. NK cells
  4. interferon

Hint:

C