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