Treatment of individuals with HIV infection focuses upon early detection by interfering with the processes involved in replication and assembly of the virus by T lymphocytes, rather than attacking infected host cells directly.
Indicate whether the statement is true or false.
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Question 2) People lacking Rh factor are born with circulating antibodies against it.
Indicate whether the statement is true or false.
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Question 3) Passive immunization of an Rh-negative woman with anti-Rh factor antibodies within a few hours of giving birth to an Rh-positive baby is helpful in preventing hemolytic disease of the newborn in a subsequent pregnancy.
Indicate whether the statement is true or false.
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Question 4) A person with type B blood can generally accept a transfusion of type AB blood.
Indicate whether the statement is true or false.
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Question 5) The skin constitutes a good barrier for foreign chemicals that are nonpolar.
Indicate whether the statement is true or false.
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Question 6) Drugs that block the production of cytokines, like cyclosporin, may be useful for treating autoimmune disorders.
Indicate whether the statement is true or false.
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Question 7) Helper T cells bind to antigen complexed with class II MHC proteins, while cytotoxic T cells bind to antigen complexed with class I MHC proteins.
Indicate whether the statement is true or false.
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Question 8) Unlike cytotoxic T cells, natural killer cells do not require antigen to be complexed with class I MHC proteins in order to bind to the antigen.
Indicate whether the statement is true or false.
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Question 9) The primary difference between active and passive immunity is that in active immunity, antibodies are produced in response to the presence of an antigen, while in passive immunity, pre-formed antibodies are provided from one person to another.
Indicate whether the statement is true or false.
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Question 10) HIV preferentially attacks cytotoxic T cells.
Indicate whether the statement is true or false.
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