Author Question: What are the major factors in the pathophysiology of RDS? 1. Qualitative surfactant deficiency 2. ... (Read 54 times)

geoffrey · **on:** Jul 16, 2018

What are the major factors in the pathophysiology of RDS? 1. Qualitative surfactant deficiency 2. Increased alveolar surface area 3. Increased small airways compliance 4. Presence of the ductus arteriosus

a. 1 and 2 only
b. 1 and 3 only
c. 1, 3, and 4 only
d. 1, 2, 3, and 4

Question 2

What is the first clinical sign of RDS in the newborn infant?

a. Cyanosis
b. Wheezing
c. Hypertension
d. Tachypnea

Sophiapenny · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: C
The major factors in the pathophysiology of RDS are qualitative surfactant deficiency, decreased alveolar surface area, increased small airways compliance, and the presence of the ductus arterio-sus.

Answer to Question 2

ANS: D
Tachypnea usually occurs first.