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Questions and Answers
Which of the following bacteria is normally found as flora in the nasopharynx and oropharynx of preschool children?
Which of the following bacteria is normally found as flora in the nasopharynx and oropharynx of preschool children?
- Streptococcus pneumoniae (correct)
- Streptococcus pyogenes
- Streptococcus agalactiae
- Enterococcus faecalis
What is the purpose of the hippurate hydrolysis test?
What is the purpose of the hippurate hydrolysis test?
- To differentiate between Streptococcus agalactiae and Streptococcus pyogenes
- To detect the production of the enzyme hippuricase in microorganisms (correct)
- To determine the susceptibility of Streptococcus to bacitracin
- To identify the hemolytic pattern of Streptococcus pneumoniae
What is the characteristic hemolytic pattern of Streptococcus agalactiae?
What is the characteristic hemolytic pattern of Streptococcus agalactiae?
- Beta-hemolysis with enhanced arrowhead formation (correct)
- Alpha-hemolysis
- Beta-hemolysis without enhanced arrowhead formation
- Gamma-hemolysis
Which of the following is NOT a characteristic of Streptococcus pyogenes?
Which of the following is NOT a characteristic of Streptococcus pyogenes?
Which test is used to differentiate Streptococcus pneumoniae from other organisms and involves assessing the solubility of the bacterium in bile?
Which test is used to differentiate Streptococcus pneumoniae from other organisms and involves assessing the solubility of the bacterium in bile?
What is the expected result of the hippurate hydrolysis test for Streptococcus agalactiae?
What is the expected result of the hippurate hydrolysis test for Streptococcus agalactiae?
What type of Streptococci lacks the Lancefield Group Antigen and is the most common cause of Subacute Bacterial Endocarditis (SBE)?
What type of Streptococci lacks the Lancefield Group Antigen and is the most common cause of Subacute Bacterial Endocarditis (SBE)?
Which of the following is a significant characteristic of the normal flora of the Upper Respiratory Tract (URT) and Gastrointestinal Tract (GIT)?
Which of the following is a significant characteristic of the normal flora of the Upper Respiratory Tract (URT) and Gastrointestinal Tract (GIT)?
Which bacteria are classified as Vancomycin-resistant and can cause Subacute Bacterial Endocarditis (SBE)?
Which bacteria are classified as Vancomycin-resistant and can cause Subacute Bacterial Endocarditis (SBE)?
Which test assesses for the alpha-hemolytic characteristic of Viridans Streptococci on Blood Agar Plate (BAP)?
Which test assesses for the alpha-hemolytic characteristic of Viridans Streptococci on Blood Agar Plate (BAP)?
What is the result of a positive Schultz-Charlton test or Blanche phenomenon?
What is the result of a positive Schultz-Charlton test or Blanche phenomenon?
What is the recommended treatment for necrotizing fasciitis caused by Group A Streptococci?
What is the recommended treatment for necrotizing fasciitis caused by Group A Streptococci?
What is the virulence factor of Streptococcus pneumoniae that contributes to causing Neonatal Meningitis?
What is the virulence factor of Streptococcus pneumoniae that contributes to causing Neonatal Meningitis?
What is one significant characteristic of Group B Streptococcus transmission?
What is one significant characteristic of Group B Streptococcus transmission?
Which test is used for the presumptive identification of Streptococcus pneumoniae?
Which test is used for the presumptive identification of Streptococcus pneumoniae?
What is the normal flora location of Streptococcus agalactiae (Group B Streptococcus)?
What is the normal flora location of Streptococcus agalactiae (Group B Streptococcus)?
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