A patient had a left heart catheterization and a drug-eluting stent was placed in the left anterior descending coronary artery. What modifier is appended to the CPT code?

A 20-year-old patient presents with increased mobility of only anterior mandibular teeth. Extensive loss of alveolar bone is noted radiographically without evidence of significant peri-odontal disease. The lesion is lucent with sharp margins. This would suggest which of the fol-lowing?

a. Cherubism b. Gardner's syndrome c. Langerhans cell disease d. Fibrous dysplasia e. Paget's disease

A design that increases surface area and enhances evaporation by incorporating an absorbent ma-terial partially submerged in a water reservoir that is surrounded by a heating element best de-scribes what type of humidifier?

a. Bubble b. Wick c. Cascade d. Hygroscopic