a Normal DECREASED OVERALL FLowS 三2=B若=E b. Decreased overall flows A B c Decreased flow DECREASED at high volumes FLOW AT HIGH VOLUMES DECREASED FLDA NORMAL FLON RELA TION d Decreased flow with normal D flo OW-vOlume relationshipa. Normal b. Decreased overall flows c. Decreased flow at high volumes d. Decreased flow with normal flow-volume relationship