#january2020usmle2k
Which of the following statements is correct regarding the apex of the upright lung compared to its base?
A- Alveoli are more compliant at the apex than at the base
B- Alveoli are smaller at the apex than at the base
C- Blood perfusion is lower at the apex than at the base
D- Ventilation/perfusion ratio is lower at the apex than at the base
Which of the following statements is correct regarding the apex of the upright lung compared to its base?
A- Alveoli are more compliant at the apex than at the base
B- Alveoli are smaller at the apex than at the base
C- Blood perfusion is lower at the apex than at the base
D- Ventilation/perfusion ratio is lower at the apex than at the base