FINALS - Ch. 27 (Lymphatic/Immune System) Flashcards
(26 cards)
What is the name of the vessel that collects lymph from the left side of the head and neck, the left arm, the left side of the thorax, the entire abdominopelvic area, and both legs?
The thoracic duct
Monokines assist in regulation of the immune response by increasing B cell production. Monokines are a form of:
Protein
The “H” in MHC stands for:
Histocompatibility
What are the 4 types of acquired immunities?
Naturally acquired active immunity
Artificially acquired active immunity
Naturally acquired passive immunity
Artificially acquired passive immunity
The leading killer of all types of cancer for all people is:
Lung cancer
An effective treatment for anaphylaxis is epinephrine, which causes what?
Vasoconstriction
Describe IGA
Found in secretions of the body such as breast milk, sweat, tears, saliva, and mucus.
It prevents pathogens from entering the body
Describe IgD
Found on the cell membranes of B lymphocytes
Activates B lymphocytes
Describe IgE
Found in skin, mucous membranes, and the tonsils
Triggers inflammation and allergic reactions
Describe IgG
Primarily recognizes bacteria, viruses, and toxins.
Activates complements
Describe IgM
Binds to antigens on food, bacteria, or incompatible blood cells.
It’s the main antibody produced during a primary immune response
Which is the antibody responsible for triggering allergic reactions?
IgE
What is the correct sequence of lymphatic vessels?
Capillaries > vessels > trunks > collecting ducts
Which lymphatic structure can remove pathogens from lymph or start an immune response?
The node
The major lymphatic collecting ducts in the body empty lymph into the bloodstream, usually near:
The right and left subclavian veins in the thoracic cavity
What is the driving force moving lymph through the lymphatic vessels and nodes?
Skeletal muscle
What is the name of the lymphatic organ located in the mediastinum?
The thymus
What is the name of the lymphatic organ that filters lymph and worn-out RBCs?
Spleen
The term that describes naturally acquired active immunity is:
long-lasting
Mucous membranes and skin are examples of which type of nonspecific body defense?
Mechanical barriers
What binds to antigens on cells and attack them directly?
T lymphocytes
What produces memory cells that trigger strong response to future exposures to the same antigen?
B lymphocytes
What increases B cell production and stimulates red bone marrow to produce more WBCs?
Monokines
What activated T cells is active against viruses and protects the body against cancer?
Cytotoxic