Podcast
Questions and Answers
What is the characteristic morphology of T. pallidum?
What is the characteristic morphology of T. pallidum?
- Regular coils with pointed ends and very thin (correct)
- Spherical shape with flagella
- Long, segmented rods
- Irregular coils with rounded ends and thick
How is T. pallidum observed in laboratory settings?
How is T. pallidum observed in laboratory settings?
- Simple light microscopy of stained preparations
- Dark-field microscopy and direct immunofluorescence (correct)
- Gram staining and culture on artificial media
- Electron microscopy of fixed specimens
What is the mode of transmission for T. pallidum leading to venereal syphilis?
What is the mode of transmission for T. pallidum leading to venereal syphilis?
- Sexual transmission (correct)
- Airborne transmission
- Fecal-oral transmission
- Vector-borne transmission
Why is T. pallidum not transmissible by stored blood?
Why is T. pallidum not transmissible by stored blood?
Which test is used for screening congenital syphilis 6-18 months after treatment?
Which test is used for screening congenital syphilis 6-18 months after treatment?
Which test is used for confirming or ruling out reactive non-treponemal test results?
Which test is used for confirming or ruling out reactive non-treponemal test results?
Which test cannot be used to determine response to treatment?
Which test cannot be used to determine response to treatment?
Which test is used for screening due to being inexpensive, rapid, and simple?
Which test is used for screening due to being inexpensive, rapid, and simple?
Which test detects non-treponemal antibodies known as reagin?
Which test detects non-treponemal antibodies known as reagin?
Which test uses the antigen called cardiolipin extracted from beef heart muscle with added lipids?
Which test uses the antigen called cardiolipin extracted from beef heart muscle with added lipids?
Which of the following is a characteristic feature of Spirochetes?
Which of the following is a characteristic feature of Spirochetes?
What is the most important species of Treponema, which causes syphilis?
What is the most important species of Treponema, which causes syphilis?
How is T. pallidum observed in laboratory settings?
How is T. pallidum observed in laboratory settings?
Why can T. pallidum not be grown on artificial culture media?
Why can T. pallidum not be grown on artificial culture media?
What is the mode of transmission for T. pallidum leading to venereal syphilis?
What is the mode of transmission for T. pallidum leading to venereal syphilis?
Which test is used for confirming or ruling out reactive non-treponemal test results?
Which test is used for confirming or ruling out reactive non-treponemal test results?
What is the characteristic morphology of T. pallidum?
What is the characteristic morphology of T. pallidum?
Which mode of transmission leads to congenital syphilis?
Which mode of transmission leads to congenital syphilis?
What is the characteristic motility of Spirochetes due to?
What is the characteristic motility of Spirochetes due to?
Which test detects non-treponemal antibodies known as reagin?
Which test detects non-treponemal antibodies known as reagin?
What percentage of untreated cases progress to tertiary syphilis?
What percentage of untreated cases progress to tertiary syphilis?
How does T. pallidum die when stored at 4°C within 3-5 days?
How does T. pallidum die when stored at 4°C within 3-5 days?
Which test is used for screening due to being inexpensive, rapid, and simple?
Which test is used for screening due to being inexpensive, rapid, and simple?
Which test detects specific treponemal antibodies?
Which test detects specific treponemal antibodies?
What is the characteristic morphology of T. pallidum?
What is the characteristic morphology of T. pallidum?
Which test is used for confirming or ruling out reactive non-treponemal test results?
Which test is used for confirming or ruling out reactive non-treponemal test results?
What is the mode of transmission for T. pallidum leading to venereal syphilis?
What is the mode of transmission for T. pallidum leading to venereal syphilis?
Which test uses the antigen called cardiolipin extracted from beef heart muscle with added lipids?
Which test uses the antigen called cardiolipin extracted from beef heart muscle with added lipids?
Which test cannot be used to determine response to treatment?
Which test cannot be used to determine response to treatment?
How is T. pallidum observed in laboratory settings?
How is T. pallidum observed in laboratory settings?
Which test is used for screening congenital syphilis 6-18 months after treatment?
Which test is used for screening congenital syphilis 6-18 months after treatment?
Which test is used for confirming or ruling out reactive non-treponemal test results?
Which test is used for confirming or ruling out reactive non-treponemal test results?
Which test is used for screening due to being inexpensive, rapid, and simple?
Which test is used for screening due to being inexpensive, rapid, and simple?
Why is T. pallidum not transmissible by stored blood?
Why is T. pallidum not transmissible by stored blood?
What is the primary mode of transmission for Borrelia recurrenits?
What is the primary mode of transmission for Borrelia recurrenits?
Which Borrelia species is most significant in causing Tick-borne relapsing fever?
Which Borrelia species is most significant in causing Tick-borne relapsing fever?
What type of microscopy is typically used to visualize Borreliae?
What type of microscopy is typically used to visualize Borreliae?
What is the growth environment preference for Borrelia species in culture?
What is the growth environment preference for Borrelia species in culture?
What is the typical duration of the incubation period for leptospirosis?
What is the typical duration of the incubation period for leptospirosis?
Which organism is the causative agent of leptospirosis?
Which organism is the causative agent of leptospirosis?
What is the first phase of leptospirosis characterized by?
What is the first phase of leptospirosis characterized by?
Which animals act as reservoirs for Leptospira interrogans?
Which animals act as reservoirs for Leptospira interrogans?
How is leptospirosis typically transmitted to humans?
How is leptospirosis typically transmitted to humans?
Which drugs are considered the treatment of choice for leptospirosis?
Which drugs are considered the treatment of choice for leptospirosis?
What is the second phase of leptospirosis characterized by?
What is the second phase of leptospirosis characterized by?
What is the morphology of Leptospira interrogans?
What is the morphology of Leptospira interrogans?
Which disease is caused by Borrelia burgdorferi?
Which disease is caused by Borrelia burgdorferi?
What is Trench mouth a condition of?
What is Trench mouth a condition of?
What is Vincent's angina characterized by?
What is Vincent's angina characterized by?
What is the mode of transmission for louse-borne (epidemic) relapsing fever?
What is the mode of transmission for louse-borne (epidemic) relapsing fever?
What is the most important species causing Tick-borne (endemic) relapsing fever?
What is the most important species causing Tick-borne (endemic) relapsing fever?
What is the primary reservoir for Tick-borne (endemic) relapsing fever?
What is the primary reservoir for Tick-borne (endemic) relapsing fever?
What staining method is best for visualizing Borreliae?
What staining method is best for visualizing Borreliae?
What is the mode of transmission for B. recurrentis causing louse-borne (epidemic) relapsing fever?
What is the mode of transmission for B. recurrentis causing louse-borne (epidemic) relapsing fever?
What is the causative agent of leptospirosis?
What is the causative agent of leptospirosis?
What is the characteristic motility of Spirochetes due to?
What is the characteristic motility of Spirochetes due to?
What animals act as reservoirs for Leptospira interrogans?
What animals act as reservoirs for Leptospira interrogans?
What is the primary mode of transmission for Borrelia recurrenits?
What is the primary mode of transmission for Borrelia recurrenits?
What is the characteristic morphology of T. pallidum?
What is the characteristic morphology of T. pallidum?
What is the first phase of leptospirosis characterized by?
What is the first phase of leptospirosis characterized by?
What is the characteristic spreading circular red lesion at the site of tick bite called?
What is the characteristic spreading circular red lesion at the site of tick bite called?
What is the mode of transmission for louse-borne (epidemic) relapsing fever?
What is the mode of transmission for louse-borne (epidemic) relapsing fever?
What is Trench mouth a condition of?
What is Trench mouth a condition of?
What is Vincent's angina characterized by?
What is Vincent's angina characterized by?
Which Borrelia species is most significant in causing Tick-borne relapsing fever?
Which Borrelia species is most significant in causing Tick-borne relapsing fever?
Which test is used for confirming or ruling out reactive non-treponemal test results?
Which test is used for confirming or ruling out reactive non-treponemal test results?
