During the advanced stages of cystic fibrosis, the anatomic ...

[theo]

During the advanced stages of cystic fibrosis, the anatomic alterations cause the patient to have:
 
  a. a primarily restrictive lung disease.
  b. a primarily obstructive lung disease.
  c. equal parts restrictive and obstructive lung disease.
  d. normal airways with emphysema.

Question 2

A 40-year-old patient requires placement of a thoracostomy chest tube. All of the following are recommended for the procedure EXCEPT:
 
  a. application of 5-cm H2O pressure to the chest tube.
  b. use of a No. 28 to 36 French gauge tube.
  c. placement of the tube at the apex of the lung.
  d. clamping and removing the tube within 24 hours of insertion.

[sokh]

Answer to Question 1

B
Patients with advanced cystic fibrosis primarily have obstructive lung disease changes. Restrictive changes play a minor role.

Answer to Question 2

D
Thoracostomy tubes are clamped only after bubbling from the tube has ceased and then are left in place without suction for another 24 to 48 hours.