1. Explain why the prognosis for gastric cancer is poor. 2. Explain why dizziness, weakness, and tachycardia may occur: (1) immediately after a meal in a postgastrectomy patient; (2) 2 to 3 hours...

1. Explain why the prognosis for gastric cancer is poor.

2. Explain why dizziness, weakness, and tachycardia may occur: (1) immediately after a meal in a postgastrectomy patient; (2) 2 to 3 hours after eating.

3.Differentiate cholelithiasis from choledocholithiasis.

4. Explain three factors predisposing to cholesterol gallstones.