Help---nbme 5 section 4 item 23 - qc

[ArchivalUser]

the ventilatory response to decreasing levels of inspired oxygen concentration for an experimental animal is shown......(canot post image!)

Why the answer is C? help me for the detail please!

[ArchivalUser]

Please!!!

[ArchivalUser]

hi

[ArchivalUser]

vasocon.+shift of blood to normal segment

[ArchivalUser]

could you explain in a little more detail Raheem please.

[ArchivalUser]

FORIGEN BODY OBST=DEC.VENT.=DEC ALV.PAO2=HYPOX.=VASOCON.(COMPENS. MECH.)+BLOOD SHIFT TO HEALTHY SEG.(UNIQUE FOR LUNG)=HYPOXIC SHUNT=DEC.FLOW IN THIS SEG.
BLOOD THROMB. IN VESSEL OF PARTICULAR SEGMENT=DEAD SPACE HYPOVENTLATION IN WHICH P ALVULAR CO2 DEC. COZ CO2 RETAIN INSID OCCLUDED VESSEL AND NOT ACCESS ALVULI

[ArchivalUser]

in the answer key it says
E

is that right?