Medical Quiz

Topics: Defence against Infectious Diseases Quiz

a small fragment of red blood cells found in the blood plasma that functions to promote blood clotting.

A. Platelet

B. Thrombin

C. Thrombus

Select your answer:
     


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a long-lived cell of the immune system that has previously encountered a specific antigen and that upon re-exposure produces large amounts of antibody.

A. Memory cell

B. Metabolism

C. Mucous membranes