Which of the following is considered a common respiratory disease?

• A. Diabetes
• B. Asthma
• C. Heart disease
• D. Arthritis

Answer: (B)

Asthma is considered a common respiratory disease because it primarily affects the airways in the lungs, leading to difficulties in breathing due to inflammation and constriction of these airways. Individuals with asthma may experience symptoms such as wheezing, coughing, shortness of breath, and chest tightness, often triggered by allergens, exercise, or environmental factors.

In contrast, diabetes is primarily a metabolic disorder that affects how the body processes glucose, heart disease relates to cardiovascular health and the functioning of the heart and blood vessels, and arthritis involves inflammation of the joints, which affects mobility but does not directly impact the respiratory system. Understanding these distinctions clarifies why asthma is classified specifically as a respiratory disease.