12.1 & 12.2 LearnSmart
What materials are transported by lymphatic fluid
Cellular debris, infectious agents, and white blood cells
The _______ system is intrinsic to the functions of the immune system because it provides a passageway within and between tissues and organs
mononuclear phagocyte
The __________ consists of the sinus, lymph nodes, tonsils, spleen, and lymphoid tissue in the mucosa of the guy and respiratory system.
mononuclear phagocyte system
which describes the third line host defense
specific immunity
The ________ is a lymphoid organs located in the upper left portion of the abdominal cavity
spleen
The _________ filters blood but not lymph in order to remove worn out red blood cells and pathogens
spleen
_______ cells are pluripotent, undifferentiated cells of the bone marrow
stem
______ cells are white blood cells that give rise to plasma cells that secrete antibodies
B
which of the following host defenses are part of the third line of defense
B and T cells
A white blood cell that gives rise to plasma cells that's secretes antibodies is known as
B lymphocyte
A chemical substance produced by white blood cells and tissue cells and tissue cells that regulates development, inflammation, and immunity is called a _______.
Cytokine
Select the nonspecific host defenses
First line and Second line
The flow of lymph is
From the extremities to the heart
immune cell surface markers that many different kinds of microbes have in common are called _______ (use the abbreviation)
PAMPs pathogen-associated-molecular-pattern
Which is a function of white blood cells
Surveillance for pathogens
which is a function of white blood cells
Surveillance of pathogens
Generalized lymph node enlargement may indicate
Systematic illness
which of the following are considered got associated lymph node tissue
The appendix and Peyer's patches
what parts of the body do not have particularly high numbers of lymphatic vessels
The kidney, eardrums, and spleen
The white blood cell and body cells illustrated here do not react because
The white blood cell recognizes the other cells as self
immunology encompasses all of the features of the body's second and third line of defense, as well as______
allergy, cancer biology
all cells have a unique mix of macromolecules on their surfaces called _________
antigens
The _______ lymph nodes are located in the armpits
axillary
_______ are granulocytes similar to mast cells that function in inflammatory events
basophils
Hematopoiesis is the process by which all _______ cells are formed in bone marrow
blood
______ allow for a close association between the fluid compartment of the body and important part of effective immune responses
blood vessels
which type of immunity mainly involves the action of T cells
cell mediated
The _____ lymph nodes are located in the neck
cervical
_______ are involved in immunologic responses to helminth worm infections and inflammatory reactions
eosinophils
granulocytes are different from agranulocytes in that
granulocytes have dark staining ganules agranulocytes have a large nucleus
Where are inguinal lymph nodes located?
groin
host defenses can be divided into ______ (nonspecific) and ________ (specific) immunities
innate , acquired
All white blood cells are called ?
leukocytes
Red bone marrow is found in the Internal Matrix of______
long bones
_________ fluid is a plasma-like liquid that moves in and out of tissues, but does not contain red blood cells
lymph
which term refers to bean-shaped organs in clusters situated along lymphatic channels and large blood vessels
lymph nodes
The spleen, thymus, lymph nodes, and GALT are all components of the _______ system.
lymphatic
which term refers to a group of leukocytes that include B cells, NK cells, and T cells?
lymphocytes
Which type of cells normally trigger an immune response
non- self
The first and second lines of host defense are ________ protections
nonspecific
Both the first and second lines of defense represent _______ immunity, while the third line of defense represents _______ immunity
nonspecific, specific
surveillance for pathogens is not carried out by which of the following components of the blood
platelet cells and red blood cells -only white blood cells are involved in immune responses
The skin associated lymphoid tissue and mucosa-associated lymphoid tissue function to
protect against the influx of microbes protect against foreign materials in food
The _____ line of defense is an internal system of protective cells, fluids, and processes that includes inflammation and phagocytosis
second
White blood cells do not normally recognize or respond to cell/molecules that are classified as
self
cells that are recognized by the immune system as part of the host organism are called
self
The clear fluid from clotted blood is known as
serum
which are the main responsibilities of the immune system?
surveillance for foreign material distraction of pathogens Recognition of antigens
T lymphocytes mature in the
thymus
cells from the ______ develop specificity and are released into circulation as mature T cells
thymus
cells from the ________ developed specificity and are released into circulation as maturity
thymus
which are considered lymphoid organs
thymus, spleen, and lymph nodes
Which of the following is not a major function of the lymphatic system
transporting oxygen and carbon dioxide to tissues throughout the body
_____ _____ is a liquid connective tissue consisting of erythrocytes, leukocytes, and platelets suspended in plasma.
whole blood