Particulate air pollution is a worldwide problem, which has…

Particulate air pollution is a worldwide problem, which has been linked to lung damage, bronchitis, and early mortality. Which of the following best represents the major sources of particulate matter (PM) that contribute to air pollution? [Select the best response.]

A postoperative abdominal surgery patient has been receiving…

A postoperative abdominal surgery patient has been receiving intermittent positive-pressure breathing therapy four times daily. Over the past several days, her inspiratory capacity has progressively decreased and she reports increasing shortness of breath. A chest radiograph shows a left lower lobe opacity with a concave upper border. Which condition is most likely present?

A 65-year-old male with a history of long-standing hypertens…

A 65-year-old male with a history of long-standing hypertension presents to the emergency department with acute shortness of breath. Chest radiograph shows diffuse, fluffy bilateral infiltrates, and laboratory testing reveals a B-type natriuretic peptide (BNP) level of 980 pg/mL. Which condition is most likely?