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8 Cards in this Set

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  • Back
What's unique about mycoplasma?
They lack a peptidoglycan cell wall. They are the tiniest free-living organisms capable of self-replication.
Which types of antibx are effective against mycoplasma?
Antiribosomal antibx - erythromycin and tetracycline.
What are the 2 pathogenic species of mycoplasma?
Mycoplasma pneumoniae and Ureaplasma urealyticum.
What is the number 1 cause of bacterial bronchitis and pneumonia in teenagers and young adults?
Mycoplasma pneumoniae.
Why is Mycoplasma pneumonia called a 'walking pneumonia?' What are its manifestations (cough, Xray, etc)?
Mild, self-limiting disease. Chest Xray reveals a streaky infiltrate, cough is nonproductive.
What is the cold agglutinin test for Mycoplasma pneumoniae?
Utilizes the fact that Mycoplasma pneumoniae antigens cross react with RBC antigens and agglutinate RBCs at 4 degrees. Patient's blood will clot at 4 degrees, but will unclump as it warms back up.
What is the appearance of Mycoplasma pneumoniae on sputum culture?
"Fried-egg" appearance.
What infection does Ureaplasma urealyticum cause?
Lower UTI - urethritis.