Q\ All are true regarding malignant esophageal tumors except :

A)Spread through the submucosal lymphatics.

B) Adenocarcinoma is more common in western countries.

C) Has a Poor survival rate.

D) The commonest presentation is Odynophagia.

E) Melanoma is an example


Q\ regarding physiological anatomy and function of the esophagus :

A) The esophagus is 20 cm in length.

B) Secondary peristalsis are non peristaltic and infrequent.

C) its cricopharyngeal constriction is about 10 cm from incisor teeth.

D) Primary peristalsis is initiated by swallowing.

E) Innervated richly by meissner plexus.


Q\ Regarding gastro-oesophageal reflux disease, all are True Except :

A) The absence of an intra-abdominal length of oesophagus results in a sliding hiatus hernia.

B) Barrett's oesophagus may be seen by oesophagogatroscopy.

C) Patients with nocturnal reflux and those who reflux food to the mouth nearly always have severe disease.