C-reactive protein is -: (A) An antibody produced as a result of peumococcal infection, (B) Derived from pneumoconiosis, (C) Detective by precipitation recation, (D) Increased in peumococcal in fection
Answer is D. An abnormal protein that precipitates with the somatic O antigen of streptococcus pneumoniae appears in the acute phase sera of pneumonia but disappear during convalescence. It is known as C-reactive protein. it is not an antibody produced as a result of pneumococcal infection. It is an acute phase substance and it'itsoduction is stimulated by a bacterial infection, inflammation an, malignancy Reference:Ananthanarayan & paniker's 9th edition, pg no: 223 <\p>