Which of the following would be the “expected” A-a gradient for a 68 year old female?

Which of the following disorders is suggested by the CXR below resulting from chronic inhalation of crystalline for greater than 20 years?

Which of the following is the primary abnormality in the patient described in the previous question?

All of the following are true about adenocarcinoma, EXCEPT:

BONUS: An asthmatic’s airway radius is narrowed by 16% during an exacerbation. Which of the following statements regarding the mechanics of ventilation is true? (Think back to A&P on ventilation).

Match the type of respiratory failure with a disorder:

In acute hypercapnic respiratory failure, what is the relationship between pH and PaCO2?

Which of the following statements best defines acute hypercapnic respiratory failure?

A post-op patient is admitted to ICU in respiratory distress. He fell out of his deer stand onto his four-wheeler, suffering chest and abdominal trauma. He has increased work of breathing and you hear late fine crackles bibasilar with an SpO2 of 88% on RA. On a 50% air entrainment mask the patient’s PaO2 increases to 138 mmHg

BONUS: Which of the following findings would you expect to see in a patient who has acute ventilatory failure with severe hypercapnia?