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Questions and Answers
Which of the following is a key difference between Staphylococcus aureus and Staphylococcus epidermidis?
Which of the following is a key difference between Staphylococcus aureus and Staphylococcus epidermidis?
- Staphylococcus epidermidis is more likely to cause severe infections than Staphylococcus aureus.
- Staphylococcus aureus is more likely to produce a positive catalase test result than Staphylococcus epidermidis.
- Staphylococcus epidermidis is more likely to produce a positive coagulase test result than Staphylococcus aureus.
- Staphylococcus aureus is more susceptible to high salt content than Staphylococcus epidermidis. (correct)
What is the primary purpose of using a chromogenic medium for the isolation of MRSA (Methicillin-Resistant Staphylococcus aureus)?
What is the primary purpose of using a chromogenic medium for the isolation of MRSA (Methicillin-Resistant Staphylococcus aureus)?
- To identify the presence of coagulase-positive Staphylococcus aureus.
- To provide a selective medium for the growth of all Staphylococcus species.
- To inhibit the growth of Staphylococcus epidermidis.
- To differentiate MRSA from other Staphylococcus species based on colony color. (correct)
What is the main advantage of the tube coagulase test over the slide coagulase test for identifying Staphylococcus aureus?
What is the main advantage of the tube coagulase test over the slide coagulase test for identifying Staphylococcus aureus?
- The tube coagulase test can detect both bound and free coagulase. (correct)
- The tube coagulase test is more sensitive for detecting Staphylococcus aureus.
- The tube coagulase test is more specific for detecting Staphylococcus aureus.
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