The term gastrectomy refers to the excision or removal of _____

Which of the following means process of visually examining the stomach ? A: gastrectomy B: gastroscope C: gastroscopy D: gastrotomy

Vitamin B12<br/>is necessary for many metabolic processes. Which of the following<br/>conditions will not cause deficiency () A: Total gastrectomy B: Autoimmune destruction of gastric parietal cells C: Gastric acid deficiency caused by chronic gastritis D: Surgical resection of jejunum E: Surgical resection of ileum