Answer:
Option (b).
Step-by-step explanation:
The respiratory problems may cause severe medical conditions like asthma, dyspnea and breathlessness. Harmful chemical and pollutants may affect the function of lungs.
The nurse is teaching about the care management on the respiratory disease. The nurse should advise the patient that they should avoid the exposure to the irritants, harmful chemicals and smoking. The smoking contains harmful chemical like nicotine that can cause various respiratory disorder.
Thus, the correct answer is option (b).