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Questions and Answers
What is the classification of Staphylococci based on?
What is the classification of Staphylococci based on?
- Resistance to heat
- Production of coagulase enzyme (correct)
- Color of the pigments produced
- Size of the cells
Which of the following is true about Staphylococci?
Which of the following is true about Staphylococci?
- They are motile
- They are inhibited by 9% sodium chloride
- They withstand 50 °C for 30 minutes (correct)
- They form spores
Which species of Staphylococci is coagulase positive?
Which species of Staphylococci is coagulase positive?
- None of these
- Staphylococcus aureus (correct)
- Staphylococcus saprophyticus
- Staphylococcus epidermidis
What is the shape and arrangement of Staphylococci cells?
What is the shape and arrangement of Staphylococci cells?
What type of hemolysis does Staphylococci show on blood agar?
What type of hemolysis does Staphylococci show on blood agar?
True or false: Staphylococci are motile bacteria?
True or false: Staphylococci are motile bacteria?
True or false: Staphylococci can form spores?
True or false: Staphylococci can form spores?
True or false: Staphylococci are inhibited by 3% hexachlorophene?
True or false: Staphylococci are inhibited by 3% hexachlorophene?
True or false: Staphylococcus epidermidis is a coagulase negative Staphylococci?
True or false: Staphylococcus epidermidis is a coagulase negative Staphylococci?
True or false: Staphylococci show beta-hemolysis on blood agar?
True or false: Staphylococci show beta-hemolysis on blood agar?
True or false: Staphylococci are resistant to heat and drying?
True or false: Staphylococci are resistant to heat and drying?
True or false: Staphylococcus aureus is a coagulase negative Staphylococci?
True or false: Staphylococcus aureus is a coagulase negative Staphylococci?
True or false: Staphylococci grow on nutrient agar producing colonies that range in color from gray to deep yellow?
True or false: Staphylococci grow on nutrient agar producing colonies that range in color from gray to deep yellow?
True or false: Staphylococci are facultative anaerobes?
True or false: Staphylococci are facultative anaerobes?
True or false: Staphylococci are classified based on their ability to produce coagulase enzyme?
True or false: Staphylococci are classified based on their ability to produce coagulase enzyme?
What is the function of the peptidoglycan layer in S. aureus?
What is the function of the peptidoglycan layer in S. aureus?
Which toxin is associated with scalded skin syndrome in S. aureus?
Which toxin is associated with scalded skin syndrome in S. aureus?
What is the function of teichoic acid in S. aureus?
What is the function of teichoic acid in S. aureus?
Which toxin of S. aureus is most potent in damaging membranes?
Which toxin of S. aureus is most potent in damaging membranes?
What is the function of Protein A & Capsular Polysaccharide in S. aureus?
What is the function of Protein A & Capsular Polysaccharide in S. aureus?
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