Author Question: The therapist is mechanically ventilating a patient having acute lung injury. How should the ... (Read 20 times)

sc00by25 · **on:** Jul 16, 2018

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 · **Reply #1 on:** Jul 16, 2018

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.