Exam 5: Abdomen and Gastrointestinal System

Benign tumors of the esophagus are almost always leiomyomas.

Which of the following is the most common type of bowel atresia?

A gallstone ileus is an obstruction that occurs when a gallstone reaches the ileocecal valve.

Hypertrophic pyloric stenosis (HPS)is classified as a(n)_____ condition of the GI system.

Small bowel barium studies are the most common means of identifying small-bowel neoplasms.

Esophageal varices are best demonstrated in an upright position because the lack of gravity in a recumbent position causes poor visualization.

Colorectal cancers are the _____ most common gastrointestinal cancer in the United States.

Currently, _____ is the most accurate imaging examination for evaluating patients who do not have a clear clinical diagnosis of acute appendicitis.

Treatment for regional enteritis includes bowel resection in approximately 70% of cases, particularly if perforation or hemorrhage is present.

A peptic ulcer is an erosion of the mucous membrane of the lower end of the esophagus, stomach, or duodenum.

Which of the following statements is true regarding the use of ultrasound over other imaging modalities in evaluation of the gastrointestinal tract?

In the condition of carbohydrate intolerance, the small bowel lacks enough of the enzyme

Diagnosis of gluten-sensitive enteropathy is rarely confirmed by biopsy of the small bowel.

Sonography has become a standard and highly accurate method for diagnosing hypertrophic pyloric stenosis (HPS)without the need for radiation exposure.

Which types of esophageal diverticula are located at the pharyngoesophageal junction at the upper-lateral aspect of the esophagus? 1)Epiphrenic 2)Killian-Jameson 3)Zenker

The "olive sign" is associated with what pathologic process?

Which of the following magnetic resonance imaging techniques are used to visualize abdominal organs to differentiate pathologic processes from normal tissue? 1)T1-weighted images 2)T2-weighted images 3)Dark lumen imaging using water as a negative contrast agent

Abdominal radiography is of limited value in cases of diverticulitis unless diagnosing for suspected complications of

A Meckel diverticulum is a remnant of a duct connecting the small bowel to the umbilicus in the fetus.

A category 2 risk of colon cancer is defined as a high risk; it includes hereditary syndromes such as hereditary nonpolyposis colorectal cancer (HNPCC)and familial polyposis, or patients with a personal history of ulcerative colitis or Crohn disease.