Which of the following are volume-displacement measuring devices?
I. water seal spirometer
II. Fleisch pneumotachometer
III. dry rolling seal spirometer
IV. thermal anemometer
A) I and II
B) I and III
C) II and III
D) II and IV
Question 2
By what age do infants who survive pulmonary dysmaturity (Wilson-Mikity Syndrome) clear the disease?
A) 6 months
B) 2 years
C) 18 months
D) 6 years