A&P 22.3 Mastering
The classic pathway of complement activation begins when the protein C1 binds to
An antibody attached to an antigen
The body's innate defenses include all of the following except
Antibodies (Actually include: -the skin -inflammation -interferon -complement)
The effects of activating the complement system include all of the following except
Inhibition of the immune system
Immunity that is genetically determined and present at birth is called ________ immunity.
Innate
A sample of John's blood shows a high level of pyrogens. This would indicate that John
Is running a fever
An inflammatory response is triggered when
Mast cells release histamine and heparin
The phagocytic antigen-presenting cells belong to the ________ group.
Monocyte-macrophage
Various types of macrophages are derived from
Monocytes
Plasma contains ________ special proteins that form the complement system.
More than 30
The cells that perform immunological surveillance are the ________ cells.
NK
The release of endogenous pyrogen (or interleukin-1) by active macrophages would
Produce a fever
Leslie has a severe sore throat and the lymph nodes in her neck are swollen. This would indicate that
The lymph nodes contain an increased number of lymphocytes.
Examples of physical barriers against pathogens include
-Epithelia -Sebaceous glands -Epidermal layers -Mucus
Innate defenses include
-Inflammation -Physical barriers -Phagocytic cells -Interferons
Inflammation produces localized
-Redness -Heat -Swelling -Pain
Fever is the maintenance of body temperature greater than
37.2 degrees Celsius (99 degrees Fahrenheit)
Microphages include
Both neutrophils and eosinophils
Histamine increases blood flow and vascular permeability. This would account for all of the following changes that occur during inflammation except
Chemotaxis of phagocytes
Each of the following is a physical barrier to infection except
Complement (Actual physical barriers: -epithelium -body hair -secretions -basement membranes)