Which of the following best describes a function of type II alveolar cells?

A young patient arrives in the ER with coughing and shortness of breath. The patient has a history of chest infections. Upon further testing, you find that pulmonary mucus is thick and sticky, clogging the alveoli and the sweat is salty suggesting a diagnosis of cystic fibrosis. Which of the following best describes cystic fibrosis?

A 68 yo man presents to the UF Health ED with shortness of breath. It has been slowing progressing over the past year, but has now reached the point where walking up one flight of stairs is problematic. On room air, PaO2 = 52 mm Hg and SpO2 = 83%. Respiratory rate is 28 bpm. Measures of airway resistance are within predicted values, but lung compliance measures are half of the predicted value. Which of the following is the most likely diagnosis?

7.1.  King Henry VIII had 6 wives. (1)

A 12-year-old girl presented with a two-week history of headache, fever, sore throat, and persistent cough. Chest X-ray showed areas of patchy infiltration. The organism MOST LIKELY to cause this illness is:

With respect to anemia (assuming that pulmonary function is normal), all of the following statements are true EXCEPT:

You are working in the UF Health ED and a 65 yo male is complaining of shortness of breath. He states that he was fine until an hour ago, when he started having difficulty breathing. He tells you that he has been fighting a cold for the last week, but thought he was getting better. His cough has now changed from dry to productive and purulent. He also complains of chest pain when he takes a deep breath. He has a history of diabetes and high blood pressure. On your exam you notice he has tachycardia, tachypnea, and decreased breath sounds in the right lower lobe. You also notice his oxygen saturation is 89% on room air. After starting patient on oxygen therapy, how will you confirm his diagnosis?

9.1.  When did WW2 start? (1)    

7.3. Queen Elizabeth never married or had any children. (1)

When the radius of a conducting airway tube is decreased 5-fold, airway resistance will;