4. The most widely used dehydrating agent for preventing and treating brain edema is 20% mannitol solution.
5. The most important cause of acute appendicitis: appendiceal cavity obstruction.
6. The main causes of varicose veins of lower limbs are: destruction of venous valves.
7. The typical symptoms of bladder stones are: sudden interruption of urination.
8. The most common hernia contents are: small intestine.
9. The main causes of obstruction in patients with acute severe common bile duct stones are: bile duct stones.
10, preoperative cleaning enema is: colon or rectum surgery.
1 1. The preoperative drug that can prevent local anesthetic poisoning is phenobarbital sodium.
12. Typical clinical manifestation of anal fissure: periodic regular pain.
13. The main clinical feature of pancreatic head cancer is jaundice.
14 and Charcot triad are: subxiphoid colic, chills and high fever, jaundice.
15, morphine is prohibited when patients with cholelithiasis have biliary colic.
16, the first choice for correcting metabolic acidosis: 5% sodium bicarbonate.
17, gastric lavage for patients with pyloric obstruction 3 days before operation: isotonic saline.
18. The most common and important sign of acute appendicitis is: fixed tenderness point in the right lower abdomen.
19, the typical manifestation of biliary ascariasis is: sudden pain in the upper abdomen.
20, breast cancer mostly occurs in: * * outer upper quadrant.
2 1. After cholelithiasis, the indications for pulling out the' T' tube for drainage are: 2 weeks after operation, the drainage volume is reduced and the angiography is smooth.
22, the primary key to initial recovery: keep the respiratory tract unobstructed.
23. Under normal circumstances, after neck, chest and abdomen surgery, use: semi-sitting and lying position.
24. Abdominal puncture draws out unconsolidated blood, which can be seen in: rupture of liver and spleen.