An individual received an immunization against influenza. When exposed to the virus, they experience much milder systems compared to individuals who were not immunized. This is due to the rapid expansion of memory cells and mobilization of the adaptive immune system. Which of the following cell types is responsible for antibody production?
A. megakaryocytes
B. natural killer cells
C. plasma cells
D. hepatocytes
Click for Explanation
Antibodies are secreted by B-cells, and activated B-cells secreting antibodies are called plasma cells.
A. megakaryocytes, incorrect, Megakaryocytes are the source of platelets.
B. natural killer cells, incorrect, Natural Killer cells are cytotoxic lymphocytes that can recognize stressed cells in absence of antibody or MHC presentation.
C. plasma cells, correct.
D. hepatocytes, incorrect, Hepatocytes are liver cells and do not secrete antibody.
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