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first line of defense that includes tears, saliva, hydrochloric acid, and perspiration
What is the primary concern regarding the care of a person experiencing an anaphylactic reaction
the inability to breathe
Which of the followin is least true of or related to a vaccine?
passive, immediate onset, and short-lived immunity
A person has an infection and his phagocytes respond appropriately by releasing pyrogens, thereby resetting the body's thermostat. What happens next?
he shivers, thereby producing heat.
When activated, this protective protein swarms over the bacerium, punching holes in its membrane and increasing its susceptibility to phagocytosis
This member of the T cell clone destroys the bacterium by pumching holes in its cell memebrane and by secreting lymphokines that enhance phagocytic activity
killer T cells
Helper T cells
secrete a hymphokine that stimulates B and T cells activity and, in general enhance the immune response
Human immunodeficiency virus (HIV) attacts the helper T cells, thereby
Making the person more susceptible to infection
Which of the following is a marker for immune function and is used to monitor the progession of HIV infection?
CD4+ T cell count
Which of the following is true of naturally acquired active immunity
"Getting the disease" as a child conveys this type of immunity
Which of the following stimulates memory cells to produce antibody-secreting plasma cells?
a booster shot
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