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Ch 12-14 Exam 4 Questions With Verified
Answers
Carries red and white blood cells, many different chemicals produced by the liver, and antibodies
- Answers✔Bloodstream
Support network of connective tissue fibers that provides a passageway within and between
tissues and organs; white blood cells are enmeshed in this network - Answers✔Mononuclear
phagocyte system
Compartmentalized network of vessels, cells, and specialized accessory organs that houses
aggregates of lymphocytes - Answers✔Lymphatic system
Fluid that fills the spaces surrounding tissue cells - Answers✔Extracellular fluid
Select the nonspecific processes below to test your understanding of the various categories of
nonspecific immunity. - Answers✔inflammatory response
complement cascade
phagocytosis
interferon production
Please label this image to demonstrate your understanding of the process of phagocytosis. -
Answers✔1- Chemotaxis by phagocyte
2- Adhesion of bacteria
3- Engulfment into phagocytic vacuole
4- Phagosome
5- Phagolysosome formation
6- Killing and destruction
7- Release of debris
Select all of the characteristics of B lymphocytes, which are involved in specific immunity. -
Answers✔Mature in the bone marrow
Move freely among lymphoid tissues and connective tissue
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Form specialized plasma cells that produce antibodies
____________, like macrophages, are products of the monocytic cell line that reside throughout
the tissues and present antigen to
lymphocytes. - Answers✔Dendritic cells
Select all of the characteristics of T lymphocytes, which are involved in specific immunity. -
Answers✔Mature in the thymus
Move freely among lymphoid tissues and connective tissue
Responsible for cell mediated immunity
Select the examples of nonspecific host defense mechanisms in order to test your understanding
of host defenses. - Answers✔innate anatomical and physiological barriers
innate cellular and chemical defenses
phagocytosis and inflammation
Order the following choices to reflect the stages of phagocytosis, from the first step to the last
step. - Answers✔1- Chemotaxis
2- Formation of phagosome
3- Formation of phagolysosome
4- Killing and digestion of microbe
5- Exocytosis of debris
True or False: Mitochondria contain hydrolytic enzymes. - Answers✔False
_________ are the precursors to macrophages. - Answers✔Monocytes
Which cell type is capable of phagocytosis? - Answers✔Neutrophils and macrophages
True or False:
Phagocytosis is part of the body's nonspecific defenses. - Answers✔True
True or False: The complement system is part of the specific immune response. - Answers✔False
Phagocytes are attracted by all of the following except: - Answers✔enzymes released by
lysosomes
True or False: Complement factor C3b coats a bacterium and binds to C3b receptors on
phagocytes, making the bacterium more susceptible to being phagocytized. - Answers✔True
A ______ contains hydrolytic enzymes to digest foreign bacteria. - Answers✔lysosome
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