TYK163
Which of the following remain(s) constant with increasing age?
a) Functional residual capacity
b) Dead space/tidal volume ratio
c) Tidal volume (in mL/kg)
d) Both b and c
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Which of the following remain(s) constant with increasing age?
a) Functional residual capacity
b) Dead space/tidal volume ratio
c) Tidal volume (in mL/kg)
d) Both b and c
Answer d.
Tidal volume and dead space ratio are consistent across all age groups, whereas FRC and lung compliance increase and oxygen consumption and respiratory rate decrease with increasing age.