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Asthmatics tend to have their smaller sirways narrowed by smooth muscle constrrictionthickening of the walls and mucous secretion How would this affect vital capacity FEV1 and MVV?
Wiki User
∙ 11y ago
Vital capacity may not be reduced in asthmatics although it will take a substantial amount of effort (work) for
the same volumes of vital capacity because of the increased airway resistance. FEV1 and MVV will generally
be lowered because of the increased airway resistance necessitating extra muscular effort.
Wiki User
∙ 11y ago
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