Review Questions

1. A 67-year-old man comes to the physician because of "tingling" feet. He says he has noticed that he has had difficulty walking over the past few months. He is constantly "stubbing" his toes against furniture and walls and has a "generalized klutzy" feeling. Laboratory studies show:

A peripheral blood smear shows hypersegmented neutrophils and large, oval-shaped erythrocytes with poikilocytosis and a teardrop-shaped configuration. Supplementation with which of the following vitamins/nutrients would most likely have prevented this condition?

A. Folic acid

B. Vitamin A

C. Vitamin BL2

D. Vitamin C

E. Vitamin D

F. Vitamin K

2. A 49-year-old alcoholic comes to the emergency department because of a 2-h history of severe abdominal pain. The pain is located in the epigastrium and radiates to his back. He says that he is "extremely" nauseous and has had several episodes of emesis, including one in the hospital waiting room. Physical examination shows epigastric tenderness and a periumbilical discoloration. Laboratory studies show elevated levels of amylase and lipase. Which of the following is the most likely diagnosis?

A. Acute cholecystitis

B. Diverticulitis

C. Hepatitis

D. Myocardial infarction

E. Pancreatitis

Hematocrit Hemoglobin

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