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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