What Effect Would a Pulmonary Embolism Have on the VD/VT

What effect would a pulmonary embolism have on the VD/VT and the ṽ/Ó ratio?

A) The VD/VT would increase and the ṽ/Ó would decrease.
B) The VD/VT would decrease and the ṽ/Ó would increase.
C) The VD/VT and the ṽ/Ó ratios would both increase.
D) The VD/VT and the ṽ/Ó ratios would both decrease.