The therapist is mechanically ventilating a patient having acute ...

[sc00by25]

The therapist is mechanically ventilating a patient having acute lung injury. How should the therapist expect the pulmonary compliance to change when the patient is moved from the supine position to a lateral decubitus position?
 
  A. an increased pulmonary compliance
  B. a decreased pulmonary compliance
  C. an unpredictable change in pulmonary compliance
  D. an insignificant change in pulmonary compliance

Question 2

What is the effect on pulmonary compliance in normal subjects moving from a sitting position to becoming supine?
 
  A. Pulmonary compliance fluctuates.
  B. Pulmonary compliance remains constant.
  C. Pulmonary compliance decreases.
  D. Pulmonary compliance increases.

[l.stuut]

Answer to Question 1

ANS: D
A. Incorrect response: See explanation D.
B. Incorrect response: See explanation D.
C. Incorrect response: See explanation D.
D. Correct response: A recent study suggests that in patients with acute lung injury, pulmonary compliance does not change greatly when the patient's position is altered.

Answer to Question 2

ANS: D
A. Incorrect response: See explanation D.
B. Incorrect response: See explanation D.
C. Incorrect response: See explanation D.
D. Correct response: Position and posture affect lung and chest wall compliance and airway resistance. In normal subjects, moving from a sitting to a supine position reduces lung (pulmonary) compliance.

[sc00by25]

Thanks for the timely response, appreciate it

[yeungji]

TYSM