Regarding Hodgkin's disease, all the following are true Except:

Correct Answer: C

Rationale: Hodgkin's lymphoma is usually localized to lymph nodes, while Non-Hodgkin's lymphoma has more frequent extranodal spread.

Correct Answer: A

Rationale: Smoking presents the greatest threat for respiratory disease among the given options. Cigarette smoke contains harmful chemicals that can damage the lungs and airways, leading to conditions such as chronic obstructive pulmonary disease (COPD), lung cancer, and other respiratory disorders. Smoking is a well-known and established risk factor for a wide range of respiratory diseases and is considered one of the leading causes of preventable death worldwide. Therefore, quitting smoking and avoiding exposure to secondhand smoke is crucial for maintaining respiratory health.

Correct Answer: B

Rationale: While bladder cancer is a recognized complication, it is less common compared to bone marrow suppression, leukemia, and infertility.

Correct Answer: D

Rationale: Stage 1 hypertension in children is defined as an average systolic or diastolic blood pressure between the 95th and 99th percentile for age, sex, and height, which may require lifestyle modification or medical intervention.

Correct Answer: B

Rationale: A small triangular chin is not a typical risk factor for obstructive sleep apnea, whereas retroposition of the mandible, long face, and soft palate abnormalities contribute to airway obstruction.