Staphylococcus Bacteria

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10 Questions

What is the approximate percentage of early syphilis cases that progress to cure without treatment?


What is the characteristic of tertiary syphilis?

Cardiovascular and central nervous system involvements

When can an infected pregnant woman transmit Treponema pallidum to her fetus?

After the third month of pregnancy

What is the mode of transmission of congenital syphilis?

Vertical transmission from mother to fetus

What is the purpose of direct demonstration in laboratory diagnosis?

To identify the morphology and motility pattern of Treponema pallidum

What is the significance of serological tests in laboratory diagnosis?

They are used to detect antibodies in the serum

What is the type of antigen used in nonspecific serologic tests?

Nontreponema antigen

What is the purpose of preparing smears from lesions in laboratory diagnosis?

To demonstrate Treponema pallidum by direct immunofluorescence

What is the significance of wet smears in laboratory diagnosis?

They are used to demonstrate Treponema pallidum by dark-ground microscopy

What is the characteristic of latency in syphilis?

Absence of lesions and clinical symptoms

Learn about the characteristics and species of Staphylococcus bacteria, including their shape, gram stain, enzyme production, habitat, and pathogenicity. Understand the differences between various species, such as Staphylococcus aureus, and their role in pyogenic infections.

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