Final answer:
Standard precautions are used for all clients, while transmission-based precautions are used for clients with known infections. Standard precautions are not only used for known infections. Transmission-based precautions are not the same as universal precautions.
Step-by-step explanation:
Standard precautions are used for all clients to prevent the transmission of common pathogens. Transmission-based precautions are used for clients with known infections to prevent the spread of specific pathogens. Standard precautions are not only used for known infections; they are used for all clients as a preventive measure. Transmission-based precautions are not the same as universal precautions.