Anurse is assessing a client who has pulmonary edema related to heart failure. which of the following findings indicates effective treatment of the client's condition? a. absence of adventitious breath soundsb. presence of a nonproductive coughc. decrease in respiratory rate at restd. sao2 86% on room air

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.