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The most common cause of upper GI bleeding is:

A) Peptic ulcer disease B) Esophageal varices C) Mallory-Weiss tears D) Gastritis

An axiolateral (inferosuperior) hip projection obtained with the patient's affected leg in external rotation demonstrates

1. the greater trochanter in profile anteriorly. 2. the greater trochanter at a transverse halfway between the lesser trochanter and the femoral head. 3. the greater trochanter in profile posteriorly. 4. soft tissue from the unaffected leg superimposed over the affected leg's acetabulum and fem-oral head. a. 1 only b. 2 and 3 only c. 3 only d. 3 and 4 only