Which of the following is a mismatched term and description?

A. secondary infection - infection spreads to several tissue sites

B. mixed infection - several agents established at infection site

C. acute infection - rapid onset of severe, short-lived symptoms

D. local infection - pathogen remains at or near entry site

E. toxemia - pathogen's toxins carried by the blood to target tissue

Option (A).

Explanation:

Infection may be defined as the invasion of pathogens into the body's tissue of the organism. Various organisms like bacteria, fungi, virus and plasmodim can acts as a pathogen for the organism.

The secondary infection may be defined as the infection that occurs after the treatment of the previous infection. This infection may occur due to the changes in the immune system or by the treatment of the previous infection.

Thus, the correct answer is option (A).