Streptococcus – Section 1

1. The bacteria involved in the production of dental caries is/are A. Streptococcus mutans B. S sanguis C. Both…

Bacteria – Section 1

1. Which of the following is/are not a gram-positive bacteria? A. Streptococci B. Pseudomonas C. Mycobacteria D. None…

Immune System – Section 1

1. Large parasites such as helminths may be killed extracellularly by the action of A. basophils B. monocytes…