The subarachnoid cisterns

Regarding the subarachnoid cisterns:

A) The chiasmatic or suprasellar cistern contains the circle of Willis.

B) The chiasmatic cistern leads posteriorly to the interpedencular cistern.

C) The cistern of the great cerebral vein is the quadrigeminal cistern.

D) The confluence of the vein of Galen and inferior sagittal sinuses occur in the quadrigeminal cistern.

E) The pericallosal artery runs in the cistern of the lamina terminalis.

Fusion Of Sacroiliac Joint

Fusion of sacroiliac joint is seen in: 

A) Tuberculosis.

B) Metastasis.

C) Reactive arthritis.

D) Reiter's.

E) Psoriasis.