10 Questions
Which of the following is the most important specimen collection method for diagnosis of Bordetella pertussis infection?
Nasal saline wash
What is the primary reason for the use of charcoal agar media with cephalexin for culturing Bordetella pertussis?
To provide a selective and enrichment environment
Which of the following is the first-line treatment for Bordetella pertussis infection?
Erythromycin
Which of the following is the primary purpose of the vaccination against Bordetella pertussis?
To protect infants who are most vulnerable to the disease
What is the primary characteristic that distinguishes Bordetella pertussis from Haemophilus influenzae and Legionella pneumophila?
Oxygen requirement
Which of the following is the most accurate statement regarding the morphology of Bordetella pertussis?
It is a small, encapsulated coccobacillus
What is the primary reason for the use of the direct fluorescent antibody (DFA) test in the diagnosis of Bordetella pertussis infection?
To provide a rapid and sensitive method for detecting the bacteria in clinical samples
Which of the following is the primary reason for the use of trimethoprim-sulfamethoxazole as an alternative treatment for Bordetella pertussis infection?
It is the only effective treatment option for erythromycin-resistant strains
What is the primary purpose of administering the Bordetella pertussis vaccine during the last trimester of pregnancy?
To provide passive immunity to the newborn infant
Which of the following is the most accurate statement regarding the epidemiological use of the ELISA test for Bordetella pertussis?
It is used for epidemiological surveys to determine the prevalence of Bordetella pertussis infection
Learn about how different strains of E.coli, such as Enterotoxigenic E.coli (ETEC) and Enteropathogenic E.coli (EPEC), affect iron acquisition from transferrin or lactoferrin to establish infections in human males, causing symptoms like watery diarrhea, bloody diarrhea, and dysentery. Explore the role of toxins like heat-stable toxin (ST) and heat-labile toxin (LT) in these infections.
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