SAMPLE NCLEX-LPN

‭Let's delve deeper into the‬ ‭six key elements of the chain of infection‬ ‭.‬

‭Pathogens‬ ‭Bacteria‬ ‭:‬ ‭Exhibit‬ ‭diverse‬ ‭morphologies,‬ ‭behaviors,‬ ‭and‬ ‭reactions‬ ‭in‬ ‭laboratory‬ ‭diagnostic‬ ‭tests.‬ ‭Their‬ ‭shapes‬‭can‬‭range‬‭from‬‭rods‬‭and‬‭circles‬‭to‬‭spheres‬‭and‬‭spirals.‬‭Pathogenic‬‭bacteria‬‭can‬‭cause‬‭infections‬ ‭by‬ ‭releasing‬ ‭toxins‬ ‭into‬ ‭human‬ ‭tissue.‬ ‭When‬ ‭tested‬ ‭in‬ ‭the‬ ‭laboratory,‬ ‭some‬ ‭bacteria‬‭are‬‭classified‬‭as‬ ‭gram-positive, while others are gram-negative.‬ ‭Bacilli‬ ‭are‬ ‭rod-shaped‬ ‭bacteria,‬ ‭cocci‬ ‭are‬ ‭round-shaped‬ ‭,‬ ‭and‬ ‭spirochetes‬ ‭are‬ ‭spiral-shaped‬ ‭.‬ ‭For‬ ‭instance,‬‭Bacillus‬‭anthracis‬‭causes‬‭anthrax‬‭and‬‭is‬‭a‬‭gram-positive‬‭aerobic‬‭microorganism.‬‭Examples‬‭of‬ ‭cocci‬ ‭include‬ ‭staphylococcus‬ ‭and‬ ‭streptococcus,‬ ‭while‬ ‭spirochetes‬ ‭can‬ ‭cause‬ ‭conditions‬ ‭like‬ ‭syphilis‬ ‭and Lyme disease.‬

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