Q- In a case of Barrett esophagus, the normal tissue of the distal part of the esophagus is transferred into which of the following type of tissues?
A- Ciliated columnar epithelium
B- Keratinized squamous epithelium
C- Non-ciliated columnar epithelium
D- Non-keratinized squamous epithelium
Q- Which one of the following conditions is the most common cause of aortic stenosis in the the elderly patients?
A- Bicuspid aorta
B- Calcification of the aortic valve
C- Rheumatic fever
D- Subacute bacterial endocarditis
Q- Which of the following is the most likely cause of sudden death in a case of portal hypertension?
A- Congestive heart failure
B- Rupture of esophageal varices
C- Hepatic encephalopathy
D- Ventricular fibrillation