MLPAO Test Prep ~ Microbiology questions and answers well illustrated.

MLPAO Test Prep ~ Microbiology questions and answers well illustrated. Microbiology is the study of - correct answers.Microscopic organisms Four major groups of Microorganisms - correct answers.Bacteria, Viruses, Fungi, Parasites Viruses are non cellular - correct answers.Parasites Viruses are observed through - correct answers.Electron microscope Viruses contain a genomic core made up of either ____ or ____ (never both!) and a coat of ____ surrounding the core called an ___ - correct answers.DNA, RNA, protein, envelope Viruses are obligate intracellular_____ - correct answers.Parasites Prokaryotic bacteria ranges in size between ____ um - correct answers.2-6 Eukaryotic fungi size ___ um - correct answers.2-100 Unicellular fungi include - correct Multicellular fungi include - correct answers.Molds, fungi, Candida Eukaryotic protozoa ranges in size between ___ um - correct answers.5-200 Protozoa are motile by means of - correct opods, cilia, or flagella Microorganisms from largest to smallest - correct answers.Protozoa, fungi, bacteria, viruses A form of providing all necessary nutrients to the microbe in an artificial environment is - correct answers.Growth medium Growth Medium: Prepared by using ___ ____ or using _____ _____ - correct idual constituents, dehydrated powders Growth Medium: Classified according to three properties - correct answers.Physical, Chemical, Functional Growth Medium: Physical classifications - correct answers.Liquid, semi-solid, solid Growth Medium: Chemical classifications - correct answers.Synthetic, non-synthetic Growth Medium: Functional classifications - correct answers.General purpose, enriched, selective, differential, anaerobic, enumeration, assay, specimen transport Growth Medium: Solid medium gives a firm surface on which - correct ria can grow Growth Medium: Cells that grow on solid media are - correct answers.Colonies Growth Medium: A colony is produced of a ___ and is made of _____ - correct e cell, one type of species Growth Medium: A colony's ____, ____, and ____ are typically used for identification - correct answers.Size, shape, color Growth Medium: Semi-solid medium is used to asses the ____ of bacteria or observe a ____ - correct ity, reaction at a specific site Growth Medium: Semi-solid medium contains _____ agents to thicken the media such as ____ or ____ - correct answers.Solidifying, gelatin, agar Growth Medium: Liquid medium includes _____ or _____ - correct answers.Broths, infusions Growth Medium: Liquid medium growth appears ____ the tube in the form of ____, _____, or _____ appearance - correct answers.Throughout, dispersed, cloud, particle General purpose medium grows a _____ _____of microbes - correct variety General purpose medium is considered to be _____ and contain a variety of nutrients to support a wide range of microbes (e.g.. MH) - correct -synthetic Enriched Medium: Media is prepared with ____ _____ ____ (e.g.. BA) - correct ional growth factors Enriched medium is used to _____ and ____ organisms that are unable to grow on ____ media and display _______ reactions - correct er, investigate, basic, hemolysis Enriched medium is prepared with ____% sheep blood added to ____ base - correct answers.5, TSA Differential medium as it is also used to analyze bacteria that produce _____ - correct ysin Beta hemolysis is ____ hemolysis and has a ______ appearance of agar around the colonies - correct ete, clear Alpha hemolysis is ____ hemolysis and has a _____ appearance of agar around the colonies - correct al, greenish (discoloration) Gamma hemolysis is ____ hemolysis and has a ______ appearance of agar around the colonies - correct ce of, brown (normal reaction of the blood to the growth conditions of 37° C in the presence of carbon dioxide) Chocolate agar contains - correct blood Lysed blood of chocolate agar _____ ____ _____ thereby producing more nutrients for bacterial growth - correct ses cellular components Chocolate agar is made by - correct answers.Heating 10% sheeps blood to 85c Differential medium is also considered to be a ___ media - correct tive MacConkey agar: The _____ _____ and _____ ____ inhibit the growth of Gram-positive organisms which allows for the selection and isolation of gram-negative bacteria - correct al violet and bile salts MacConkey agar: Designed to selectively isolate Gram-___ and enteric (normally found in the intestinal tract) bacilli and differentiate them based on ____ fermentation. - correct ive, lactose Thayer-Martin Agar is chocolate agar with addition of _____ - correct iotics Thayer-Martin Agar contains what three antibiotics - correct answers.Nystatin, Vancomycin, Colistin Thayer-Martin Agar is used to isolate ____ bacteria - correct answers.Neisseria (N. gonorrheae, N. meningitdis) Salmonella-shigella Agar is a ______ and _____ medium - correct answers.Differential, selective Salmonella-shigella Agar isolates ______ and ____ species - correct answers.Salmonella, shigella Salmonella-shigella Agar's selective agents - correct answers.Bile salts and brilliant green dye (against all gram+ organism and most gram- organisms) Salmonella-shigella Agar's differential agents - correct answers.Lactose and sodium thiosulphate