Answer: A. The tube coagulase test detects the presence of free coagulase that is secreted by S. aureus and other coagulase-positive Staphylococcus species. The slide coagulase test detects the presence… Click to show full abstract
Answer: A. The tube coagulase test detects the presence of free coagulase that is secreted by S. aureus and other coagulase-positive Staphylococcus species. The slide coagulase test detects the presence of bound coagulase (also known as clumping factor), which reacts with fibrinogen to form a clump (agglutination). Protein A is a constituent of the S. aureus cell wall that can be detected by latex agglutination testing methods.
               
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