When a patient has a flail chest, what happens during the ...

[K@]

When a patient has a flail chest, what happens during the ventilatory cycle?
 
  a. The I:E ratio becomes inverse.
  b. Air leaks out through the flail area.
  c. Air leaks in through the flail area.
  d. Air is shunted from one lung to the other.

Question 2

All of the following chest assessment findings may be seen in a patient with cystic fibrosis EXCEPT:
 
  a. decreased tactile and vocal fremitus.
  b. dull percussion note.
  c. diminished breath sounds.
  d. decreased heart sounds.

[angrybirds13579]

Answer to Question 1

D
Because of the instability of the flail area, the ribs and lung tissue will move in the opposite direction than normal during a breath. This can cause air to be shunted from one lung to the other during the ventilatory cycle.

Answer to Question 2

B
Due to the airway obstruction and retained secretions, the following chest assessment findings would be expected: decreased or increased tactile and vocal fremitus, hyperresonant percussion note, diminished breath sounds, diminished heart sounds, and bronchial breath sounds (over atelectasis). A hyperresonant percussion note would be expected with the hyperinflation of alveoli, not a dull percussion note.

[K@]

TYSM

[mcarey591]

Gracias!