Question

In the elderly: 

a) chest wall compliance is decreased 

b) vital capacity is decreased by 20mL each year 

c) closing volume is less than FRC 

d) P_a O₂ is lower than in the young 

e) in a 70-year-old the alveolar/arterial oxygen difference is about 2.7kPa.

Answer 1

a) True; b) True; c) False; d) True; e) True