Skip to ContentGo to accessibility pageKeyboard shortcuts menu
OpenStax Logo
Biology

Review Questions

BiologyReview Questions
Search for key terms or text.
4.

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

  1. high pH
  2. mucus
  3. tears
  4. desiccation
5.

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

  1. bacteria
  2. viruses
  3. fungi
  4. helminths
6.

Which organelle do phagocytes use to digest engulfed particles?

  1. lysosome
  2. nucleus
  3. endoplasmic reticulum
  4. mitochondria
7.

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

  1. macrophages
  2. neutrophils
  3. NK cells
  4. interferon
8.

Which of the following is both a phagocyte and an antigen-presenting cell?

  1. NK cell
  2. eosinophil
  3. neutrophil
  4. macrophage
9.

Which immune cells bind MHC molecules on APCs via CD8 coreceptors on their cell surfaces?

  1. TH cells
  2. CTLs
  3. mast cells
  4. basophils
10.

What “self” pattern is identified by NK cells?

  1. altered self
  2. missing self
  3. normal self
  4. non-self
11.

The acquired ability to prevent an unnecessary or destructive immune reaction to a harmless foreign particle, such as a food protein, is called ________.

  1. the TH2 response
  2. allergy
  3. immune tolerance
  4. autoimmunity
12.

A memory B cell can differentiate upon re-exposure to a pathogen of which cell type?

  1. CTL
  2. naïve B cell
  3. memory T cell
  4. plasma cell
13.

Foreign particles circulating in the blood are filtered by the ________.

  1. spleen
  2. lymph nodes
  3. MALT
  4. lymph
14.

The structure of an antibody is similar to the extracellular component of which receptor?

  1. MHC I
  2. MHC II
  3. BCR
  4. none of the above
15.

The first antibody class to appear in the serum in response to a newly encountered pathogen is ________.

  1. IgM
  2. IgA
  3. IgG
  4. IgE
16.

What is the most abundant antibody class detected in the serum upon reexposure to a pathogen or in reaction to a vaccine?

  1. IgM
  2. IgA
  3. IgG
  4. IgE
17.

Breastfed infants typically are resistant to disease because of ________.

  1. active immunity
  2. passive immunity
  3. immune tolerance
  4. immune memory
18.

Allergy to pollen is classified as:

  1. an autoimmune reaction
  2. immunodeficiency
  3. delayed hypersensitivity
  4. immediate hypersensitivity
19.

A potential cause of acquired autoimmunity is ________.

  1. tissue hypersensitivity
  2. molecular mimicry
  3. histamine release
  4. radiation exposure
20.

Autoantibodies are probably involved in:

  1. reactions to poison ivy
  2. pollen allergies
  3. systemic lupus erythematosus
  4. HIV/AIDS
21.

Which of the following diseases is not due to autoimmunity?

  1. rheumatic fever
  2. systemic lupus erythematosus
  3. diabetes mellitus
  4. HIV/AIDS
PreviousNext
Order a print copy
Citation/Attribution

This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's permission.

Want to cite, share, or modify this book? This book uses the Creative Commons Attribution License and you must attribute OpenStax.

Attribution information
  • If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution:

    Access for free at https://openstax.org/books/biology/pages/1-introduction

  • If you are redistributing all or part of this book in a digital format, then you must include on every digital page view the following attribution:

    Access for free at https://openstax.org/books/biology/pages/1-introduction

Citation information

© Feb 14, 2022 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.