Wgu D311 Fundamentals Of Microbiology Final Exam Review

This class of disinfectant inhibits microbial growth by denaturing proteins and through the disruption of membranes. It is commonly found in antiseptic mouthwashes or throat lozenges {Ans: Phenolics}Antibiotics are derived from all of the following, except ______. a. Penicillium b. Bacillus c. Staphylococcus d. Streptomyces e. Cephalosporium {Ans: C}This term refers to cell surface glycoproteins that are used to distinguish between the different types of white blood cells. Helper T cells and regulatory T cells are characterized by how they express these cell surface glycoproteins {Ans: Cluster of differentiation 4 (CD4)}This term refers to the antibody site of complement factor binding and binding to phagocytic cells during antibody-mediated opsonization {Ans: Fc region}This pathogen is found in the mouth and causes tooth decay a) Mycobacterium tuberculosis b) Streptococcus mutans c) Escherichia coli d) Streptococcus pyogenes {Ans: B}This antifungal molecule is produced by the bacterium Streptomyces natalensis. It is used to prevent fungal growth in various types of dairy products, including cottage cheese, sliced cheese, and shredded cheese. {Ans: Natamycin}A culture of fluid collected from a healthy person via a bronchoalveolar lavage yielded growth of Staphylococcus aureus; however, a culture of a similarly collected sample from