A nurse is caring for a group of clients on the medical unit. Client 1 Day 1, 0700 / Day 3, 0900: Client reports low-grade fever, blood-tinged sputum, and chest pain. Sputum culture positive for Mycobacterium tuberculosis. Client placed on airborne isolation precautions. Client 2 Day 1, 0630 / Day 1, 0730: Client reports fever, shortness of breath and cough. Respiratory nasal panel positive for type A influenza. Client placed on droplet isolation precautions. Client 3 Day 1, 1030 / Day 3, 1130: Client reports fever and foot wound with yellow drainage. Wound culture positive for methicillin-resistant Staphylococcus aureus (MRSA). Client placed on contact isolation precautions. Client 4 Day 1, 1600: Client returned to medical unit following kidney transplant. Client placed on contact isolation precautions. Client 5 Day 1, 1200 / Day 1, 1300: Client reports fever, cough, and runny nose. Respiratory nasal panel positive for rhinovirus. Client placed on standard isolation precautions. Client 6 Day 1, 0500 / Day 1, 0800: Client reports frequent episodes of diarrhea and signs of dehydration. Stool sample positive for norovirus. Client placed on droplet isolation precautions. Select all that apply. Which of the following clients have the appropriate isolation precautions implemented?