7.10.9: Review Questions
- Page ID
- 98280
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\(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)Which of the following is a barrier against pathogens provided by the skin?
- high pH
- mucus
- tears
- desiccation
Although interferons have several effects, they are particularly useful against infections with which type of pathogen?
- bacteria
- viruses
- fungi
- helminths
Which organelle do phagocytes use to digest engulfed particles?
- lysosome
- nucleus
- endoplasmic reticulum
- mitochondria
Which innate immune system component uses MHC I molecules directly in its defense strategy?
- macrophages
- neutrophils
- NK cells
- interferon
Which of the following is both a phagocyte and an antigen-presenting cell?
- NK cell
- eosinophil
- neutrophil
- macrophage
Which immune cells bind MHC molecules on APCs via CD8 coreceptors on their cell surfaces?
- TH cells
- CTLs
- mast cells
- basophils
What “self” pattern is identified by NK cells?
- altered self
- missing self
- normal self
- non-self
The acquired ability to prevent an unnecessary or destructive immune reaction to a harmless foreign particle, such as a food protein, is called ________.
- the TH2 response
- allergy
- immune tolerance
- autoimmunity
Upon reexposure to a pathogen, a memory B cell can differentiate to which cell type?
- CTL
- naïve B cell
- memory T cell
- plasma cell
Foreign particles circulating in the blood are filtered by the ________.
- spleen
- lymph nodes
- MALT
- lymph
The structure of an antibody is similar to the extracellular component of which receptor?
- MHC I
- MHC II
- BCR
- none of the above
The first antibody class to appear in the serum in response to a newly encountered pathogen is ________.
- IgM
- IgA
- IgG
- IgE
What is the most abundant antibody class detected in the serum upon reexposure to a pathogen or in reaction to a vaccine?
- IgM
- IgA
- IgG
- IgE
Breastfed infants typically are resistant to disease because of ________.
- active immunity
- passive immunity
- immune tolerance
- immune memory
Allergy to pollen is classified as:
- an autoimmune reaction
- immunodeficiency
- delayed hypersensitivity
- immediate hypersensitivity
A potential cause of acquired autoimmunity is ________.
- tissue hypersensitivity
- molecular mimicry
- histamine release
- radiation exposure
Autoantibodies are probably involved in:
- reactions to poison ivy
- pollen allergies
- systemic lupus erythematosus
- HIV/AIDS
Which of the following diseases is not due to autoimmunity?
- rheumatic fever
- systemic lupus erythematosus
- diabetes mellitus
- HIV/AIDS