10 Questions
What is the approximate percentage of early syphilis cases that progress to cure without treatment?
33%
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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