Lymphatic system and immunity
The primary response will peak how many days after an exposure?
10-17
Natural exposure to an infectious agent leads to:
Active immunity
Which of the following is an incorrect matching of immune system cells and their functions?
All of these are correct matching of the cells and their functions
Which of the following is a function of the lymphatic system?
All of these are functions of the lymphatic system
Which of the following is an inactive, self responsive cell?
Anergy cell
Which of the following induces the production of a specific antibody?
Antigen
Which class of cells includes macrophages, B cells and dendritic cells?
Antigen presenting cells
Which of the following leads to inflammation, enhancement of phagocytosis and lysis of microbes?
Classical and Alternative complement systems
Which anti-microbial substances promote cytolysis, phagocytosis and inflammation?
Complement proteins
Which of the following is a small hormone that can stimulate or inhibit many normal cell functions?
Cytokine
Which of the following intensifies the effect of interferons and promotes the rate of repair?
Fever
Which of the following stimulates an immune response ONLY when it is attached to a large carrier molecule?
Hapten
Which cells display CD4 proteins and interact with MHC Class II antigens?
Helper T Cells
Which class of antibodies is mainly found in sweat, tears, breast milk and GI secretions?
IgA
Which class of antibodies indicates a recent invasion?
IgM
When B and T cells are fully developed and mature, they are described as being
Immunocompetent
Which of the following is NOT an effect of aging on the immune system?
Increased response of T cells to antigens
Which of the following is an effect of stress on the immune system?
Inhibition of the immune system
Which anti-microbial substances reduce viral replication (in uninfected cells)?
Interferons
Which cytokine released by macrophages acts on the hypothalamus to raise the body temperature during fever?
Interleukin-1
What causes lymph from the small intestines to appear white?
Lipids
What is the major difference between lymph and interstitial fluid?
Location
The skeletal muscle and respiratory pumps are used in the
Lymphatic, Immune and Cardiovascular systems
Which of the following cells is the most variable cell in the immune system?
Lymphocyte
Which T cell toxin fragments DNA?
Lymphotoxin
Genetic recombination generates diversity in what part (s) of the immune system?
MHC antigen and antigen receptors
Which of these does NOT provide a physical or chemical barrier?
Macrophages
Which of these provides a non-specific cellular disease resistance mechanism?
Macrophages
Which of the following is NOT a function of the lymphatic and immune system?
Maintaining water homeostasis in the body
Which cells increase the permeability of blood vessels by releasing histamine?
Mast cells
Which of the following is NOT a sign of inflammation?
Mucus production
Which of the following organ systems is NOT aided by the MALT (mucosa-associated lymphatic tissue)?
Muscular system
Which of the following cells is part of the body's second line of defense?
Natural killer cells
Which type of immunity defends against any type of invader?
Nonspecific
Which action makes microbes more susceptible to phagocytosis?
Opsonization
Which of the following is not considered an organ of the immune system?
Pancreas
Which chemical(s) do NOT induce vasodilation and permeability (increased fluid flow) to an infection site?
Perforin
The ability of an antigen to react specifically with the antibodies or cells it has provoked is called
Reactivity
Which of the following is a function of the spleen?
Removes worn out blood cells
Lack of resistance is also known as:
Susceptibility
To become activated, which of the following requires being bound to a foreign antigen AND simultaneous costimulation?
T cell
Which cell is considered to be the most important cell in the immune system?
T helper cells
The left subclavian vein receives lymph from the
Thoracic duct
In which part of the thymus are T cells thought to die?
Thymic (Hassall's) corpuscles
Which organ produces a hormone that promotes maturation of T cells?
Thymus
Natural passive immunity is associated with which of the following?
Transfer of IgG from mother to fetus
Which type of allergic reaction is the most common type?
Type I (anaphylactic) reaction
Antigens that induce an allergic reaction are called
allergen
An acute allergic response can lead to:
anaphylactic shock
Which type of adaptive immunity will result from intravenous injection of immunoglobulins?
artificially acquired passive immunity
Which cells of the immune system are the primary targets the HIV virus?
helper T cells
The inability of the immune system to protect the body from a pathogen causes
immunodeficiency diseases
Which type of adaptive immunity will result from mother-to-baby IgA transfer via breast feeding?
naturally acquired passive immunity
