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Rickettsialpox and Spotted Fever Quiz
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Rickettsialpox and Spotted Fever Quiz

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@EverlastingTaylor

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Questions and Answers

Specie that belong to the group of spotted fever and its transmission is through mites that cause an infection called rickettsialpox

R. akari

Specie that caused rocky mountain spotted fever

R. rickettsii

Boutonneuse fever

R. conorii

Australlian/Queensland tick typhus

<p>R. australis</p> Signup and view all the answers

Mediterranean & Israeli spotted fever

<p>R. conorii</p> Signup and view all the answers

Indian tick typhus

<p>R. conorii</p> Signup and view all the answers

Kenya tick typhus

<p>R. conorii</p> Signup and view all the answers

What species is in group of typhus

<p>R. prowazekii &amp; R. typhi</p> Signup and view all the answers

Transmission of R. prowazekii

<p>Lice</p> Signup and view all the answers

Infection caused by R. prowazekii

<p>Epidemic typhus, sporadic typhus, brill-Zinsser disease (latent)</p> Signup and view all the answers

Transmission and infection caused by R. typhi

<p>Fleas - Murine typhus/endemic typhus</p> Signup and view all the answers

Species under scrub typhus

<p>R. tsutsugamushi &amp; O. tsutsugamushi</p> Signup and view all the answers

Transmission of R. tsutsugamushi

<p>Mites</p> Signup and view all the answers

Transmission of O. tsutsugamushi

<p>Chiggers</p> Signup and view all the answers

Infection cause by R. tsutsugamushi & O. tsutsugamushi

<p>Scrub typhus</p> Signup and view all the answers

Transmission if through ticks

<p>C. burnetti</p> Signup and view all the answers

Infection caused by C. burnetti

<p>Q fever</p> Signup and view all the answers

Human monocyte ehrlichiosis

<p>E. Chaffeensis</p> Signup and view all the answers

Human granulocyte ehrlichiosis

<p>E. phagocytophila &amp; E. owingii</p> Signup and view all the answers

Sennetsu fever

<p>Neorickettsia sennetsu</p> Signup and view all the answers

Transmission is through lice that caused trench fever

<p>R. quintana</p> Signup and view all the answers

Habitat is small rodents and humas, mode of transmission is human body louse that cause trench fever

<p>B. quintana</p> Signup and view all the answers

Habitat is human, mode of transmission is sand flies

<p>B. bacilliformis</p> Signup and view all the answers

Carrion's disease and oroya fever is caused by

<p>B. bacilliformis</p> Signup and view all the answers

Associated with CSD and peliosis hepatitis

<p>B. hensale</p> Signup and view all the answers

Associated with CSD and Bacteremia

<p>B. clarridgeiae</p> Signup and view all the answers

Habitat is rats, mode of transmission is fleas

<p>B. elizabethae</p> Signup and view all the answers

Infection caused by B. elizabethae

<p>Endocarditis</p> Signup and view all the answers

Despite its rare isolation it is commonly linked to CSD

<p>Afipia felis</p> Signup and view all the answers

Agents of salpingitis & postpartal fevel in females

<p>Mycoplasma hominis</p> Signup and view all the answers

Fried egg colonies

<p>M. hominis</p> Signup and view all the answers

Cause of nongonococcal urethritis in males

<p>Nycoplasma and ureaplasma urealyticum</p> Signup and view all the answers

Serologic test for M. hominis

<p>Cold agglutinin ( Anti-I)</p> Signup and view all the answers

Eaton's agent

<p>Mycoplasma pneumoniae</p> Signup and view all the answers

Primary atypical pneumonia/walking pneumonia

<p>Mycoplasma pneumoniae</p> Signup and view all the answers

Formerly known as pleuropneumonia like organisms (PPLOs)

<p>Chlamydia trachomatis</p> Signup and view all the answers

FREI's test as one of the laboratory test

<p>Chlamydia trachomatis</p> Signup and view all the answers

Subtype of C. trachomatis that causes endemic trachoma

<p>A, B, Ba, C</p> Signup and view all the answers

Subtype of C. trachomatis that causes lymphogranuloma venereum

<p>L1, L2, L3</p> Signup and view all the answers

Associated with TWAR strain and mild respiratory tract infections

<p>Chlamydia pneumoniae</p> Signup and view all the answers

Agent of psittacosis/ornithosis (disease of birds parrots, parakeets and cockatoos)

<p>Chlamydia psittaci</p> Signup and view all the answers

Formerly "bedsonia", they are obligate intracellular gram (-) infectious particle is elementary bodies

<p>Chlamydia spo</p> Signup and view all the answers

Helically coiled bacteria transmitted through arthropod vectors resembles stretched spiral

<p>Borrelia spp.</p> Signup and view all the answers

Agent of Louse borne relapsing fever

<p>Borrelia recurrentis</p> Signup and view all the answers

Vector of B. reccurintis

<p>Pediculus humanus (human Louse)</p> Signup and view all the answers

Tick birne relapsing fever

<p>Borrelia hermsii/Borrelia parkeri</p> Signup and view all the answers

Vector of tick borne relapsing fever

<p>Ornithodoras ticks</p> Signup and view all the answers

Agents of lyme disease

<p>Borrelia burgdorferi</p> Signup and view all the answers

Vector of lyme disease

<p>Ixoda ticks and deer ticks</p> Signup and view all the answers

Erythema chronicum migrans (bulls eye rashes)

<p>Borrelia burgdorferi</p> Signup and view all the answers

Gold standard for serological test of Borrelia burgdorfei

<p>Westernblot</p> Signup and view all the answers

Tightly twisted organism resembling cork screw

<p>Treponema spp.</p> Signup and view all the answers

Agent of venereal syphilis

<p>T. pallidum subsp. pallidum</p> Signup and view all the answers

Great pox, evil pox, french/italian pox, spanish disease

<p>T. pallidum subsp. pallidum</p> Signup and view all the answers

Primary syphilis in T. pallidum causes

<p>Hard chancre (painless and firm)</p> Signup and view all the answers

Secondary syphilis in T. pallidum causes

<p>condylomata lata (wart-like lesions)</p> Signup and view all the answers

What are the disease in Hutchinsonian triad in T. pallidum

<p>Notched teeth, keratitis, eczema</p> Signup and view all the answers

Laboratory diagnosis for T. pallidum

<p>Dark field microscope</p> Signup and view all the answers

Drug of choise for treating T. pallidum

<p>Penicillin</p> Signup and view all the answers

Large quantities of toxins are released as the bacterium dies during treatment

<p>Jarisch-Herxheimer reaction</p> Signup and view all the answers

Agent of yaws ( chronic nonvenereal disease of skin and bones)

<p>T. pertenue</p> Signup and view all the answers

Agent of bejel (lesions in oral cavity, oral mucosa, skin and bones and nasopharynx)

<p>T. endemicum</p> Signup and view all the answers

Agent of pinta (ulcerative skin disease)

<p>T. carateum</p> Signup and view all the answers

Tightly twisted with one or both ends bent into a hook

<p>Leptospira spp.</p> Signup and view all the answers

Non-pathigenic and can be found in water and soil

<p>L. biflexa</p> Signup and view all the answers

Agent of leptospirosis

<p>L. interogans</p> Signup and view all the answers

Shed in urine animals

<p>L. interrogans</p> Signup and view all the answers

Infection may involve kidney, liver, and cns

<p>L. interrogans</p> Signup and view all the answers

Associated with Weil's disease (severe form of lesptospirosis)

<p>L. interrogans</p> Signup and view all the answers

Weil's disease

<p>Icterrohemorrhagiae</p> Signup and view all the answers

Study Notes

Rickettsial Infections

  • Rickettsialpox is caused by a species transmitted through mites.
  • Rocky Mountain spotted fever is caused by Rickettsia rickettsii.
  • Boutonneuse fever is another notable rickettsial disease.
  • Australian/Queensland tick typhus is transmitted by ticks.
  • Mediterranean and Israeli spotted fever are associated with specific geographical regions.
  • Indian tick typhus and Kenya tick typhus are also part of rickettsial infections.

Typhus Infections

  • Rickettsia prowazekii is noteworthy for its transmission through lice, causing epidemic typhus.
  • Brill-Zinsser disease results from reactivation of R. prowazekii.
  • Rickettsia typhi, transmitted by fleas, causes murine typhus.
  • Scrub typhus is caused by Orientia tsutsugamushi, transmitted by mites.
  • R. tsutsugamushi has a complex life cycle involving small mammals.

Other Tick-Borne Infections

  • Coxiella burnetii is the causative agent of Q fever, typically transmitted through contaminated aerosols from animal products.
  • Human monocyte ehrlichiosis is characterized by infection of monocytes.
  • Human granulocyte ehrlichiosis targets neutrophils.

Vector and Host Relationships

  • Trench fever is caused by Bartonella quintana, transmitted via human body louse.
  • Carrion's disease and Oroya fever are caused by Bartonella bacilliformis, prevalent in Peru and Ecuador.
  • CSD (Cat Scratch Disease) is associated with Bartonella henselae.

Mycoplasma and Atypical Bacteria

  • Mycoplasma hominis is associated with salpingitis and post-partum fever in females.
  • Fried egg colonies are characteristic of mycoplasma cultures.
  • Eaton's agent refers to Mycoplasma pneumoniae, known for causing primary atypical pneumonia.

Chlamydia Infections

  • C. trachomatis has two notable subtypes: A-C causes endemic trachoma, and L1-L3 causes lymphogranuloma venereum.
  • The TWAR strain is associated with respiratory infections.

Bacterial Structure and Transmission

  • Chlamydia are obligate intracellular parasites that present as elementary bodies.
  • Spirochetes are tightly coiled, resembling stretched spirals, and include agents of relapsing fever.
  • Louse-borne relapsing fever is linked to Borrelia recurrentis.

Lyme Disease and Its Features

  • Lyme disease is caused by Borrelia burgdorferi, transmitted by Ixodes ticks.
  • Erythema migrans is a hallmark sign of Lyme disease, presenting as a bull's-eye rash.
  • The gold standard serological test for Lyme disease is a two-tiered test process.

Treponema Infections

  • Treponema pallidum is the causative agent of syphilis, historically known by various names.
  • Primary syphilis causes a chancre, while secondary syphilis manifests with a rash and systemic symptoms.
  • Hutchinsonian triad associated with T. pallidum includes dental abnormalities, ocular issues, and deafness.
  • Laboratory diagnosis of syphilis often involves serological testing, with benzathine penicillin as the treatment of choice.
  • Yaws and bejel are nonvenereal treponematoses affecting skin and bones, with unique regional distributions.
  • Pinta causes ulcerative skin disease.
  • Leptospira, the causative agent of leptospirosis, is found in water and soil, and is shed in animal urine.
  • Weil's disease represents a severe form of leptospirosis, involving multiple organ systems.

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Description

Test your knowledge about rickettsialpox and its connection to spotted fever. This quiz will cover the species associated with these infections and the transmission through mites. Explore the fascinating world of these diseases and their impact on health.

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