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What cells decline in number during the final phase of HIV-1 infection, when
an individual is said to have AIDS?
helper T (TH) cells
T or F: Immunodeficiency disorders can result from a failure of one
component of the immune system.
True
Which lymph trunks receive lymph from the upper limbs?
subclavian trunks
What mucosa-associated lymphatic tissue (MALT) traps pathogens
entering the nasal and oral cavities?
tonsils
,Where are pathogens filtered from lymph?
lymph nodes
Surface barriers, such as cutaneous and mucous membranes, serve the
immune system as the:
first line of defense
What are the primary cells of adaptive immunity?
lymphocytes
Which of the following is NOT a cardinal sign of inflammation?
cold
Which of the following are true of class I major histocompatibility complex
(MHC) molecules?
Class I MHC molecules present endogenous antigens.
What is a determinant for organ compatibility and rejection of transplants?
major histocompatibility complex (MHC) molecules
, Activated B cells differentiate into:
plasma cells and memory B cells
Which of the following is NOT a function of antibodies?
phagocytosis
Vaccinations involve exposure to an antigen to elicit:
a primary immune response
Type I, or immediate, hypersensitivity triggers plasma cells to secrete:
IgE
Mary's mosquito bite is red, warm, and swollen, indicating she is
experiencing the effects of:
the inflammatory response.