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BIO 212: Module 6- Homework Terms in this set (74) Different locations of the human body use different resistance strategies to help protect the human host from microbial invaders. Match each strategy with the correct location in the human host. $6.99
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BIO 212: Module 6- Homework Terms in this set (74) Different locations of the human body use different resistance strategies to help protect the human host from microbial invaders. Match each strategy with the correct location in the human host.
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CGFO - Certified Government Finance Officer
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CGFO - Certified Government Finance Officer
BIO 212: Module 6- Homework
Terms in this set (74)
Different locations of the human body use different resistance strategies to help
protect the human host from microbial invaders. Match each strategy with the correct location in the human host. Respiratory tract - Mucociliary syst...
Different locations of the human body use Respiratory tract - Mucociliary system.
different resistance strategies to help Gastrointestinal tract - Peristalsis.
protect the human host from microbial Skin- Sodium Chloride.
invaders. Match each strategy with the Genitourinary tract - presence of uric acid, fatty acid and mucins
correct location in the human host.
An _______ presenting cell, such as a Antigen
macrophage, dendritic cell, or B cell, takes in
the antigen or pathogen by receptor-
mediated endocytosis or phagocytosis and
produces antigen fragments by digestion in
the phagolysosome.
Vasoactive mediator - mast cell
Important in defense against protozoa and helminths parasites - eosinophil
A granulocyte that contains histamine - basophill
Leukocytes, or white blood cells, are the
cells responsible for the innate defenses.
Principal phagocyte responder in blood - neutrophils
Match the different leukocytes with a key
characteristic.
Mature into macrophages - monocytes
Present antigens to lymphocyte - dendritic cell
The largest phagocytic cell in body - macrophages
An antigen is best described as ______ _. A defense molecule that eliminates foreign substances
T cells differentiate into progenitor cells destined to become (1) natural T regulatory
Which of the following statements is correct
(Treg) cells, (2) natural killer T (NKT) cells, (3) gamma/delta T cells, and (4) alpha/beta T
about the development of T cells?
cells.
A person lacking Paneth cells would be Gastrointestinal tract
more likely to get an infection of their _____ _.
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- Enhance phagocytosis
The complement system acts in a cascading
- Lyse cell membranes of target cells
fashion to _____ _. (Check all that apply.)
- Produce inflammatory peptides
Tcell receptor:
- Heterodimeric α/β polypeptides
- Cytoplasmic tails interact with cd3 polypeptides
Assess the following statements and classify - Six accessory polypeptides
them according to whether they refer to T-
cell receptors or B-cell receptors. B cell receptor:
- Igα/Igβ heterodimers
- Transmembrane immunoglobin
- Monomeric IgM and IgD.
Once a lymphocyte has been released from its primary development site and is
Which of the following statements is true
exposed to its specific antigen, it proliferates to form a clone (a population of identical
about clonal selection of lymphocytes?
cells derived from a single parent cell).
To date, probiotics have successfully been False
used in humans, but not animals.
Group starts
The acute inflammatory response begins Chemokines
when injured tissue releases chemical signals
called _________ .
These signals stimulate the cells lining the Selectins; neutrophils
capillaries to display _________ on their
surface, which attract wandering ________ _ .
These white blood cells produce _________ , Intregens; margination
which allow them to bind to the selectin-
positive epithelial cells in a process called
____________ .
The stuck cells then squeeze through the Diapedesis
capillary wall in the process of ________ _ .
After this migration occurs, other white Chemotaxins
blood cells are then attracted to the area by
the release of ________ _ .
In addition to these molecules, bradykinin is Prostaglandins
released into the area causing the
production of ________ that advance the
inflammation response.
In response, capillaries dilate and fluids Edema
move into the surrounding tissues creating
swelling called _______ _ .
The major histocompatibility complex (MHC) Genes
is a collection of _______ that code for the
self/non-self recognition potential of an
animal.
1. Chemokines released from damaged tissue, leukocytes and bacteria.
Place the events of the inflammatory 2. Selectins on endothelial cells attach to integrins on neutrophils.
response in the correct order that they 3. Neutrophils undergo margination and diapedesis.
occur. 4. Neutrophils attack the pathogens.
5. Tissue healing and repair
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