Domanda del libro di testoThe main cellular target of the HIV virus that causes AIDS isa. Helper T cellsb. Cytotoxic T cellsc. Macrophagesd. B cells42views
Scelta multiplaDuring an immune response, the latent or lag period is the number of days between the initial infection of the host and antibody production used to fight the infection. Which type of immune response will have the longer latent period?935views2rank
Scelta multiplaWhich antibody class rises to its highest concentration during a secondary response?555views3rank
Scelta multiplaHow long after initiation of a primary response do significant amounts of antibody appear in the blood?489views1rank
Scelta multiplaIf you draw a blood sample from a patient to determine whether he or she has a herpes simplex infection, and the patient displays a large amount of IgG against the virus but low levels of IgM, what do you conclude?641views2rank
Scelta multiplaPut the following steps in the correct sequence to elicit an antibody response:(1) TH cell recognizes B cell.(2) APC contacts antigen.(3) Antigen fragment displayed on surface of APC.(4) TH recognizes antigen on APC is immunogenic.(5) B cell proliferates.478views2rank
Scelta multiplaWhich cells are primarily involved in the secondary response of adaptive immunity?281views