50 Questions
Which of the following bacterial species is resistant to antibiotics?
Mycoplasma
Which of the following bacteria is resistant to antibiotics?
Mycoplasma
Which bacteria is known to cause lymphogranuloma venereum?
Chlamydia trachomatis
Which of the following bacteria is characterized by a unique developmental cycle consisting of elementary and reticulate forms?
Chlamydiaceae
Which of the following bacterial species is NOT an obligate intracellular pathogen?
Streptococcus
Which bacteria is responsible for causing atypical pneumonia?
Mycoplasma pneumoniae
Which bacterial species causes lymphogranuloma venereum?
Chlamydia trachomatis biovar LGV
Which of the following bacteria is medically important for causing lymphogranuloma venereum?
Chlamydiaceae
Which bacteria is resistant to peptidoglycan inhibitors?
Mycoplasma and Ureaplasma
Which bacterial species causes atypical pneumonia?
Mycoplasma pneumoniae
Which bacterial species is resistant to peptidoglycan inhibitors?
Mycoplasma
Which of the following bacteria is transmitted by arthropod bites?
Rickettsia
Which bacteria is known to cause atypical pneumonia?
Mycoplasma pneumoniae
Which bacterial species is transmitted by arthropod bites?
Rickettsia
Which of the following bacterial infections can lead to tissue damage upon re-infection?
Chlamydia trachomatis
Which bacterial species causes lymphogranuloma venereum?
Chlamydia trachomatis biovar LGV
Which bacteria is transmitted via arthropod bites?
Rickettsia
Which bacteria causes lymphogranuloma venereum?
Chlamydia trachomatis
Which bacterial species is a common respiratory pathogen causing atypical pneumonia?
Mycoplasma pneumoniae
Which of the following bacterial infections is resistant to peptidoglycan inhibitors?
Mycoplasma
Which bacterial species is transmitted by arthropod bites and causes Rocky Mountain spotted fever?
Rickettsia rickettsii
Which bacteria is diagnosed through serology or nucleic acid amplification tests?
Mycoplasma
Which bacterial species is a leading cause of preventable blindness worldwide?
Chlamydia trachomatis
Which bacteria is responsible for causing psittacosis?
Chlamydia psittaci
Which bacterial STD is a leading cause of ectopic pregnancies and infertility in women in the US?
Chlamydia trachomatis
Which bacterial infection is diagnosed through culture, direct fluorescent antibody test, and nucleic acid amplification tests (PCR)?
Chlamydia trachomatis
Which bacteria is known to cause urogenital infections?
Chlamydia trachomatis
Which bacterial species causes urogenital infections?
Chlamydia trachomatis
Which bacterial species is a leading bacterial STD globally?
Chlamydia trachomatis
Which bacteria is a leading cause of preventable blindness worldwide?
Chlamydiaceae
Which bacterial species is diagnosed through culture, direct fluorescent antibody test, and nucleic acid amplification tests (PCR)?
Chlamydiaceae
Which bacterial species is diagnosed through culture, direct fluorescent antibody test, and nucleic acid amplification tests (PCR)?
Chlamydia trachomatis
Which bacteria is endemic in North and sub-Saharan Africa, the Middle East, southern Asia, and South America?
Chlamydiaceae
Which bacteria is the smallest free-living bacteria without a cell wall?
Mycoplasma
Which bacterial infection is characterized by being the smallest free-living bacteria without a cell wall?
Mycoplasma pneumoniae
Which bacterial infection is transmitted via inhalation of dried excrement, urine, or respiratory secretions of infected birds?
Chlamydia psittaci
Which bacterial species is a leading cause of preventable blindness worldwide?
Chlamydia trachomatis
Which bacterial species is acquired via inhalation of dried excrement, urine, or respiratory secretions of infected birds?
Chlamydia psittaci
Which bacteria is known to cause ocular trachoma?
Chlamydia trachomatis
Which bacteria is the most common cause of ectopic pregnancies and infertility in women in the US?
Chlamydiaceae
Which bacteria is endemic in North and sub-Saharan Africa, the Middle East, southern Asia, and South America?
Chlamydia trachomatis
Which bacterial infection is a common respiratory pathogen causing atypical pneumonia?
Mycoplasma pneumoniae
Which bacterial species is endemic in North and sub-Saharan Africa, the Middle East, southern Asia, and South America?
Chlamydia trachomatis
Which bacterial species is diagnosed through serology or nucleic acid amplification tests, and treated with erythromycin, doxycycline, or newer fluoroquinolones?
Mycoplasma
Which bacteria is transmitted via inhalation of dried excrement, urine, or respiratory secretions of infected birds?
Chlamydia psittaci
Which bacterial species is endemic in North and sub-Saharan Africa, the Middle East, southern Asia, and South America, and is associated with poor sanitation and hygiene, and crowded living conditions?
Chlamydia trachomatis
Which bacteria is the leading bacterial STD globally?
Chlamydia trachomatis
Which of the following bacteria has no peptidoglycans in their cell wall?
Mycoplasma and Ureaplasma
Which bacterial species can cause psittacosis and is acquired via inhalation of dried excrement, urine, or respiratory secretions of infected birds?
Chlamydia psittaci
Which bacterial infection is endemic in North and sub-Saharan Africa, the Middle East, southern Asia, and South America?
Chlamydia trachomatis
Study Notes
- Mycoplasma are the smallest free-living bacteria, without a cell wall and resistant to antibiotics.
- Mycoplasma pneumoniae is a common respiratory pathogen causing atypical pneumonia.
- Rickettsia are small, Gram-negative bacilli transmitted by arthropod bites and cause diseases like Rocky Mountain spotted fever, epidemic typhus, and endemic typhus.
- Chlamydiaceae are obligate intracellular pathogens with a unique developmental cycle, consisting of elementary and reticulate forms.
- Chlamydia trachomatis, C. pneumoniae, and C. psittaci are medically important species causing various diseases like ocular trachoma, urogenital infections, pneumonia, and psittacosis.
- Chlamydia trachomatis infections do not stimulate immunity and can lead to tissue damage upon re-infection.
- Chlamydia trachomatis biovar LGV can cause lymphogranuloma venereum.
- Mycoplasma, Rickettsia, and Chlamydiaceae are all obligate intracellular pathogens.
- Mycoplasma and Ureaplasma are resistant to peptidoglycan inhibitors, while Chlamydiaceae have no peptidoglycans in their cell wall.
- Diagnosis of Mycoplasma infections can be done through serology or nucleic acid amplification tests, and treatment involves erythromycin, doxycycline, or newer fluoroquinolones.
- Chlamydia is a leading bacterial STD globally.
- Ocular trachoma is a leading cause of preventable blindness worldwide.
- Chlamydia is endemic in North and sub-Saharan Africa, the Middle East, southern Asia, and South America.
- Poor sanitation and hygiene, crowded living conditions are risk factors for chlamydia.
- Asymptomatic chlamydia infection is the most common cause of ectopic pregnancies and infertility in women in the US.
- Chlamydia is diagnosed through culture, direct fluorescent antibody test, and nucleic acid amplification tests (PCR).
- Peptidoglycan inhibitors are ineffective against chlamydia.
- There is no vaccine or chemoprophylaxis for chlamydia.
- Chlamydia pneumoniae is transmitted via respiratory secretions and can cause atypical pneumonia.
- Psittacosis is caused by Chlamydia psittaci and is acquired via inhalation of dried excrement, urine, or respiratory secretions of infected birds.
Test your knowledge on the fascinating world of Mycoplasma, Rickettsia, and Chlamydiaceae with this quiz. From the smallest free-living bacteria without a cell wall to the obligate intracellular pathogens causing diseases like pneumonia, Rocky Mountain spotted fever, and chlamydia, this quiz covers it all. Learn about the unique developmental cycle of Chlamydiaceae, the resistance of Mycoplasma to antibiotics, and the risk factors for chlam
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