The interferon-gamma release assay for tuberculosis infection works because
A) individuals who have had the TB vaccine can be identified by the amount of interferon-gamma in their blood.
B) the presence of interferon-gamma indicates a person is susceptible to TB infection.
C) the T cells of an infected person release more interferon-gamma than that of a non-infected person.
D) one can perform an indirect ELISA to detect antibodies to interferon-gamma in a patient with TB.
E) the TB bacterium releases interferon-gamma.
Answer: C
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During a fever the ________ will send out a signal to cause the blood vessels in the skin to ________
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While observing cardiac muscle under a microscope for the first time, Jennifer noticed lines running perpendicular to the direction of the muscle. These lines are called
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