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Staphylococcus Bacteria

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Questions and Answers

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

50%

33% (correct)

75%

25%

What is the characteristic of tertiary syphilis?

Presence of lesions and clinical symptoms

Absence of lesions and clinical symptoms

Cardiovascular and central nervous system involvements (correct)

Mortality rate of 100%

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

After the first month of pregnancy

After the third month of pregnancy (correct)

Only during childbirth

After the sixth month of pregnancy

What is the mode of transmission of congenital syphilis?

Vertical transmission from mother to fetus Signup and view all the answers

What is the purpose of direct demonstration in laboratory diagnosis?

To identify the morphology and motility pattern of Treponema pallidum Signup and view all the answers

What is the significance of serological tests in laboratory diagnosis?

They are used to detect antibodies in the serum Signup and view all the answers

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

Nontreponema antigen Signup and view all the answers

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

To demonstrate Treponema pallidum by direct immunofluorescence Signup and view all the answers

What is the significance of wet smears in laboratory diagnosis?

They are used to demonstrate Treponema pallidum by dark-ground microscopy Signup and view all the answers

What is the characteristic of latency in syphilis?

Absence of lesions and clinical symptoms Signup and view all the answers