Question 1

The ability of some viruses to remain inactive (latent) for a period of time is exemplified by ________.

Accepted Answer

A)  influenza, a particular strain of which returns every 10-20 years 
B)  herpes simplex viruses (oral or genital) whose reproduction is triggered by physiological or emotional stress in the host 
C)  Kaposi's sarcoma, which causes a skin cancer in people with AIDS but rarely in those not infected by HIV 
D)  the virus that causes a form of the common cold, which recurs in patients many times in their lives 
A)  influenza, a particular strain of which returns every 10-20 years 
B)  herpes simplex viruses (oral or genital) whose reproduction is triggered by physiological or emotional stress in the host 
C)  Kaposi's sarcoma, which causes a skin cancer in people with AIDS but rarely in those not infected by HIV 
D)  the virus that causes a form of the common cold, which recurs in patients many times in their lives

Question 2

Which of the following should be the same in identical twins?

Accepted Answer

A)  the set of antibodies produced 
B)  the set of MHC molecules produced 
C)  the set of T cell antigen receptors produced 
D)  the set of immune cells eliminated as self-reactive 
A)  the set of antibodies produced 
B)  the set of MHC molecules produced 
C)  the set of T cell antigen receptors produced 
D)  the set of immune cells eliminated as self-reactive

Question 3

Immunological memory accounts for ________.

Accepted Answer

A)  the human body's ability to distinguish self from non-self 
B)  the observation that some strains of the pathogen that causes dengue fever cause more severe disease than others 
C)  the ability of a helper T cell to signal B cells via cytokines 
D)  the ancient observation that someone who had recovered from the plague could safely care for those newly diseased 
A)  the human body's ability to distinguish self from non-self 
B)  the observation that some strains of the pathogen that causes dengue fever cause more severe disease than others 
C)  the ability of a helper T cell to signal B cells via cytokines 
D)  the ancient observation that someone who had recovered from the plague could safely care for those newly diseased

Question 4

Which of the following is crucial to activation of the adaptive immune response?

Accepted Answer

A)  memory cells 
B)  presentation of MHC (major histocompatibility complex)-antigen complex on a cell surface 
C)  activation of complement proteins 
D)  phagocytosis of antibody-antigen complex by macrophages in the blood 
A)  memory cells 
B)  presentation of MHC (major histocompatibility complex)-antigen complex on a cell surface 
C)  activation of complement proteins 
D)  phagocytosis of antibody-antigen complex by macrophages in the blood

Question 5

What type of immunity is associated with breast feeding?

Accepted Answer

A)  innate immunity 
B)  active immunity 
C)  passive immunity 
D)  cell-mediated immunity 
A)  innate immunity 
B)  active immunity 
C)  passive immunity 
D)  cell-mediated immunity

Question 6

Lymphocytes mature in the ________.
I. spleen
II. thymus
III. bone marrow

Accepted Answer

A)  only I and III 
B)  only I and II 
C)  only II and III 
D)  I, II, and III 
A)  only I and III 
B)  only I and II 
C)  only II and III 
D)  I, II, and III

Question 7

________ is a characteristic of adaptive immunity but not innate immunity.

Accepted Answer

A)  Memory 
B)  Inflammation 
C)  Interferons 
D)  Lysozyme 
A)  Memory 
B)  Inflammation 
C)  Interferons 
D)  Lysozyme

Question 8

How is a viral antigen, like EBV, recognised by T cells?

Accepted Answer

A)  An antigen fragment is presented within class I MHC to the T cell receptor. 
B)  Interferon proteins stick to the surface of infected cells. 
C)  T cells recognise antibodies that have bound to viral particles. 
D)  The virus is engulfed by T cells using Toll-like receptors. 
A)  An antigen fragment is presented within class I MHC to the T cell receptor. 
B)  Interferon proteins stick to the surface of infected cells. 
C)  T cells recognise antibodies that have bound to viral particles. 
D)  The virus is engulfed by T cells using Toll-like receptors.

Question 9

A strain of fruit fly lacks the ability to produce Dicer-2 protein. You might expect this strain to be more susceptible to ________ infections.

Accepted Answer

A)  viral 
B)  bacterial 
C)  fungal 
D)  protozoan 
A)  viral 
B)  bacterial 
C)  fungal 
D)  protozoan

Exam 43: The Immune System

The ability of some viruses to remain inactive (latent) for a period of time is exemplified by ________.

Which of the following should be the same in identical twins?

Immunological memory accounts for ________.

Which of the following is crucial to activation of the adaptive immune response?

What type of immunity is associated with breast feeding?

Lymphocytes mature in the ________. I. spleen II. thymus III. bone marrow

________ is a characteristic of adaptive immunity but not innate immunity.

How is a viral antigen, like EBV, recognised by T cells?

A strain of fruit fly lacks the ability to produce Dicer-2 protein. You might expect this strain to be more susceptible to ________ infections.

Evolution, the Themes of Biology, and Scientific Inquiry

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

Gene Expression: From Gene to Protein

Regulation of Gene Expression

Viruses

Dna Tools and Biotechnology

Genomes and Their Evolution

Descent With Modification: a Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonised Land

Plant Diversity Ii: the Evolution of Seed Plants

Fungi

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Vascular Plant Structure, Growth, and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signalling

Nervous Systems

Sensory and Motor Mechanisms

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