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Terms in this set (45)
Which of the following would NOT be classified as a lymphoid organ?
Which of the following statements regarding the thymus is FALSE?
It has follicles similar to those in the spleen
Lymph involves all of the following EXCEPT ______
Smooth muscle contraction in the lymph capillary walls
Which lymphatic structure drains lymph from the right upper limb and the right side of the head and thorax?
Right lymphatic duct
Which of the following is NOT a part of the lymphatic system?
Antibodies that act against a particular foreign substance are released by ______
Lymph leaves a lymph node via ____
Efferent lymphatic vessels
Which cells are the main "warriors" of the immune system?
Select the correct statement about lymphocytes
B cells produce plasma cells, which secrete antibodies into the blood
Lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a(n) ______
Which of the following does NOT contain a mucosa
associated lymphatic tissue?-thymus
Peyer's patches are found in the distal portion of the _______
Lymphatic capillaries are present in _______
The thymus is the only lymphoid organ that does NOT _________
directly fight antigens
Large clusters of lymph nodes occur in all of the following locations EXCEPT ______
Which of the following is NOT a normal component of lymph?
Red blood cells
Which lymphoid organ atrophies as we age?
Which of the following is NOT a function of the lymphatic system?
Transporting respiratory gases
Which of the following is NOT a function of lymph nodes?
Produce lymph fluid and cerebrospinal fluid
Flow of lymph through a lymph node is slowed due to _______
Fewer efferent vessels draining it compared to many afferent vessels feeding it
All of the following are true of the classical pathway of complement activation EXCEPT one. Select the one answer
It activates T-helper cells by presenting antigen to them
Vaccines work by ______
Priming the adaptive immunity with a relatively harmless primary exposure
Brings more leukocytes to the sight of infection
All but one of the following occur during the inflammatory response. Select the example below that does NOT describe the process of inflammation.
Vasoconstriction will prevent excessive blood loss due to injury
Which of the following best describes the qualities of most antigens?
Macromolecules that are foreign to the host
Allergens differ from antigens because _______________
Allergens produce an abnormally large immune response to what is an otherwise harmless particle
Plasma cells ________
Have a great deal of rough endoplasmic reticulum reflecting the fact that they secrete a tremendous amount of protein (antibody)
Which of the following is associated with passive immunity?
Passage of IgG antibodies from a pregnant mother to her fetus.
B lymphocytes develop immunocompetence in the ___________
The redness and heat of an inflamed area are due to local hyperemia caused by _____
In clonal selection of B cells, which substance is responsible for determining which cells wil eventually become cloned?
Small molecules that vind with self
proteins to produce antigenic substances are called ______-Haptens
Cancer cells and virus
infected body cells can be killed before activation of adaptive immunity by _________-Natural killer cells
Complement proteins and antibodies coat a microorganism and provide binding sites, enabling macrophages and neutrophils to phagocytize the organism. This phenomenon is called _______
Production is regulated by chemicals that reset the body's thermostat to a higher setting
Helper T cells _________
Function in the adaptive immune system activation
The primary immune response _____
has a lag period while B cells proliferate and differentiate into plasma cells
Which of the following cells has the largest role and most widespread effect on immunity?
Helper T cells
What is the role of interferon in defense against disease?
Protects cells that have not yet been infected by viruses
An advantage of innate immunity is ________
Its barriers that prevent pathogens from entering the body
First line of defense
Intact skin and mucous membranes
Second line of defense
Third line of defense
Innate defense system
Inflammatory response and skin and mucous membranes
Adaptive defense system
Recommended textbook explanations
Introduction to Anatomy and Physiology
Michelle Provost-Craig, Susan J. Hall, William C. Rose
Hole's Essentials of Human Anatomy & Physiology
David N. Shier, Jackie L. Butler, Ricki Lewis
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