18 Questions
What is the primary mechanism by which Neisseria meningitides causes severe septicemia and shock?
Release of lipopolysaccharide endotoxin
What is the primary goal of vaccination against Neisseria meningitides?
To induce herd immunity in the population
What is the primary purpose of using Thayer-Martin medium in the diagnosis of Neisseria meningitides?
To select for Gram-negative diplococci
Which of the following is the most common way to detect asymptomatic carriers of Neisseria meningitides?
Culturing swabs from the nasopharyngeal region
What is the primary mode of transmission of Acinetobacter in hospitals?
Through contaminated medical equipment
What is the drug of choice for the treatment of Neisseria meningitides infection?
Penicillin
What is the gold standard for the diagnosis of systemic meningococcal infection?
Isolation of N. meningitidis
What is the primary mechanism of Neisseria meningitidis attachment to nasopharyngeal mucosa?
Pili
What is the primary function of IgA protease in N. meningitidis?
Cleavage of IgA antibodies
Which of the following is a risk factor for Neisseria meningitidis infection?
Recent viral or mycoplasma upper respiratory tract infection
Which serogroups of N. meningitidis are responsible for most cases of meningococcal disease?
A, B, and C
What is the most effective way to prevent N. meningitidis infection?
Vaccination against N. meningitidis
What is the primary benefit of using automated susceptibility testing in identifying A. baumannii?
To guide the physician in making appropriate treatment decisions
What is the primary role of pulsed-field gel electrophoresis (PFGE) in A. baumannii diagnosis?
To differentiate between strains of bacteria
What is the primary advantage of 16s rDNA sequencing in A. baumannii diagnosis?
It provides information on the genotype of the bacteria
What is the primary role of molecular methods in hospital infection control?
To identify the source of hospital-acquired infections
What is the primary advantage of using molecular methods in Acinetobacter infections?
They provide information on the genotype of the bacteria
What is the primary role of molecular testing in the diagnosis of A. baumannii infections?
To identify the genotype of the bacteria and guide infection control measures
This quiz covers the clinical significance of Neisseria meningitidis, including septicemia, meningococcal septicemia, and Waterhouse-Friderichsen syndrome. Learn about the symptoms and consequences of N. meningitidis infections. Test your knowledge of this important topic in microbiology.
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