8. An example of a post-hepatic cause for portal hypertension is
A. myeloproliferative diseases
B. alcoholic hepatitis/cirrhosis
C. primary sclerosing cholangitis
D. right heart failure
E. splenic vein thrombosis
9. When resistance to portal venous flow increases beyond a pressure gradient of _____, portosystemic collaterals develop.
A. > 8 mmHg
B. > 12 mmHg
C. > 16 mmHg
D. > 20 mmHg
E. > 24 mmHg
10. When imaging patients that have portal hypertension, in cases where no flow is detected by color Doppler sonography, it is important not to misdiagnose
