Exam 3 - Lecture 23: Mycoplasmas, Rickettsia, and Chlamydia Flashcards
2
Mycoplasmas have a variety of shapes but no ______.
2
Instead of a cell wall, mycoplasmas have membrane _____.
2
Mycoplasmas appear as a ______ colony
2
Mycoplasmas are the smallest _______ bacteria at _____ micrometers.
3
Do mycoplasmas have a gram stain?
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Whata are the two genera of Mycoplasmataceae that are important agents of human disease?
The Mycoplasma species associated with human disease are found in the human respiratory tract (_______) urogenital & respiratory tracts (____, _____, and ______).
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_____ of Mycoplasma pneumoniae represents unique virulence determinant among bacterial pathogens.
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M. pneumoniae adheres tightly to and fuses with the membranes of respiratory epithelial cells by a specialized _______. This action inhibits ____ and over the course of a few weeks the cilia and epithelial cells are _____.
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M. pneumoniae causes a respiratory disease often referred to as ____ or _____. Atypical refers to the fact that the onset is _____, not ____.
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Atypical also means it cannot be treated with ____.
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Mycoplasmas have a high incidence in ___ year olds and high hospitalization under ___ years old.
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Mycoplasmas among adults accounts for ___% of community acquired pneumonia.
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Are pneumonias caused by mycoplasmas rare?
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What are 6 symptoms to look for in Mycoplasmas?
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What is the name for a target lesion associated with Mycoplasma, herpes infection, streptococcal infection, and tuberculosis?
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M. pneumoniae skin rashes and ulcerations of the oral mucosaassociated with the skin rash and conjunctivitis may lead to _____ syndrome.
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How is diagnosis made for Mycoplasmas? What is the most accurate and sensitive test?
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Can penicillin treat Mycoplasmas?
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Can Tetracycline treat Mycoplasmas?
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Can Erythromycin treat Mycoplasmas?
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What mycoplasma causes pelvic inflammatory disease, vaginitis, pyelonephritis, and spontaneous abortion?
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What mycoplasma disease causes non-gonococcal urethritis?
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What urogenital tract infection causes NGU, prostatitis, and chorioamnionitis/premature delivery?
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What disease does this describe?
-infection of the upper respiratory tract due to infection in women )15-25 years old)
-affects the uterus, Fallopian tubes, and/or ovaries
-typically an ascending infection, spreading from the lower genital tract
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Pelvic Inflammatory Disease is associated with a variety of _______ infections.
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_____ is a very mysterious disease and often very hard to diagnose. It is often not taken seriously.
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There is more and more evidence that ____ infections have played an important role in Chronic Fatigue syndrome.
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What are three examples of L-form bacteria?
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What are the 2 types of L-form bacteria?
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What are the unstable L-form bacteria?
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What are the stable (L-form) bacteria?
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L-form bacteria are _____ bacterial variants. They can produce ____ only (osmotically fragile).
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Reproduction of L-form bacteria is stopped by _____.
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L-forms may be the cause of _____.
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Saarcoidosis is a chronic disease of unknown cause marked by the formation of nodules in the ____ and ____ and _____ and _____.
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Is Rickettsia gram positive or negative?
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Is Ricketssia an obligate intracellular?
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Ricketssia is an ____ vector.
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How small is Rickettsia?
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Ricekttsia rickettsii causes ______.
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What are three vectors of disease for Rickettsia rickettsii?
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Rickettsia rickettsii infects ____ cells.
48
What are 6 symptoms of Rocky Mountain Spotted Fever?
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Typhus is sudden onset of ____, ____, ____, and _____,
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What does this describe?
-R. prowazekii
-louse
-outbreaks associated with poor sanitation
-rare
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What does this describe?
-Fleas
-Tropics
-Subtropics
52
What is the go-to diagnostic for Typhus?
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What does this describe?
-papule at bite site of mite
-echar
-flu-like symptoms
-lymphadenopathy
56
Chlaymdyia is an ______ parasite.
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Is chlamydia gram negative or gram positive?
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What are the three main species of Chlamydia causing human infection?
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Chlamydia trachomatis infects epithelial cells of the ____, ____, ____, and ____.
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Clamydia trachomatis is a major cause of _____ worldwide.
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_____ people worldwide have eye infection (trachoma) due to Chlamydia trachomatis.
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There are _____ million cases of Chalmydia trachomatis? What is the percentage increase since 2014?
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Is the risk of transmission per sexual episode greater for clamydia or gonorrhea?
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Urethritis usually occurs in _____. Theer is a ____ day incubation period.
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What do these symtpoms describe?
-vaginal discharge, mild abdominal pain, bleeding, and burning urination
63
What is inflammatory arthritis after infection called?
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Chlamydia trachoma causes ulcerative disease of _____.
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Conjunctiva infection = _____ + folliculitis
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What are two treatments for eye infectio of neonatal conjunctivitis / pneumoniae?
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What does LGV stand for?
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LGV is ____ transmitted and is seen most commonly in men who _____.
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What are four symptoms associated with LGV?
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What is the treatment for LGV?
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Chlamydiophilia pneumoniae clinical presentation involves _____ and _____.
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Chlamydophila pneumoniae has a ___ day incubation period.
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What is the test of choice for Chlamydophila pneumoniae?
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What is the natural reservoir for Chlamydophila psittaci?
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___% of human C. psittaci infection come from pet birds
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What is the incubation period for Chlamydophilia psittaci?
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What are 6 clinical manfiestations of Chlamydia psittaci?
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What is the lab diagnosis for Chlamydophila psittaci?
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Imported pet birds are quarantined for ____ days and feed may be medicated with ____.
