Which tool is most effective for promoting safety when ambulating an elderly patient who is a fall risk?

A man who has remediated water-damaged basements for over thirty years presents to an acute care clinic for ongoing breathing problems. He has never smoked, has never been exposed to asbestos, and is afebrile. The nurse knows the man is most likely suffering from what condition?

The 8-year-old presents with a generalized rash. The patient's mother reports that some areas of the rash have developed into pimples that are oozing clear fluid. The nurse places this patient on which type of precaution(s)? Select all that apply.