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26 Cards in this Set

  • Front
  • Back
List 4 nonspecific chemical defenses;
1.lysozyme
2.lactic acid and electrolytes of sweat
3.skins acidic ph and fatty acids
4.stomach HCL acid
Lysozyme found in tears and saliva hydrolyzes the peptidoglycan in certain bacterial cell walls. TRUE/FALSE
TRUE.
This body region is protected by fatty acids, acidic pH, lactic acid and a tough cell barrier with its own normal flora;
skin.
The blood cells that function in allergic reactions and inflammation, contain peroxidases and lysozyme, and particularly target parasitic worms and fungi are...
eosinophils.
The least numerous of all WBC, that release histamine during inflammation and allergic reactions are...
basophils
Plasma cells produce and secrete antibodies. TRUE/FALSE
TRUE.
List 4 characteristics of the reticuloendothelial system.
1. support a network of connective tissue fibers
2. originates in the cellular basal lamina
3. provides a passageway within and between tissues and organs4.
4. is heavily populated with macrophages
The lymphnodes have the function of filtering pathogens from the blood. TRUE/FALSE
TRUE.
These cells comprise 20-30% of circulating WBCs and are the cells that function in the body's immune system.
lymphocytes
The most numerous WBCs, that have multilobed nuclei and are very phagocytic are...
neutrophils
Comprise 3-7% of circulating WBCs, are phagocytic, and can migrate out into body tissues to differentiate into macrophages.
monocytes
The lymphoid tissues of the b.intestinal tract are collectively referred to as...
GALT
Match the following;
a. interferon, alpha and beta
b. interleukin 2-
c. serotonin-
d. TNF-
a. inhibits viral replication
b. stimulate T cell mitosis and b cell antibody production
c. causes smooth muscle contraction
d. increases chemotaxix and phagocytosis
Histamine, serotonin and bradykinin are all...
vasoactive mediators
When opsonization accompanies phagocytosis, this process involves...
antibodies or complement coating the microbial cell surface
Complement can be composed of 20 blood proteins. TRUE/FALSE
TRUE
The membrane attack stage of the complement cascade involves...
a ring shaped protein that digests holes in bacterial cell membranes and virus envelopes
Specificity and memory are associated with which body defense mechanism?
B/T cells
The main function of the RES, is to provide...
a connection between tissues and organs
The granules of neutrophiles contain...
digestive enzymes
The granules of eosinophils contain...
lysozyme
Basophils contain histamine. TRUE/FALSE
TRUE
Fever can stimulate hematopoiesis. TRUE/FALSE
TRUE.
Macrophages, neutrophils and eosinophils are the proper order of phagocytic activity. TRUE/FALSE
TRUE.
The________ region of a lymphnode has germinal centers packed with T and B lymphocytes.
cortex
During inflammation, a high neutrophil count is a common sign of bacterial infection. TRUE/FALSE
TRUE