Chapter 11 Surgery of the Liver, Biliary Tract, Pancreas, and Spleen

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Chapter 11  Surgery of the Liver, Biliary Tract, Pancreas, and Spleen

 

 

Complete chapter Questions And Answers
 

Sample Questions

 

 

MULTIPLE CHOICE

1. The liver, pancreas, and spleen share many similarities. Select the statement about these organs that is true.

  1. All three are solid organs and very vascular.
  2. All three are metabolic organs.
  3. All three organs have terminal attachments to the duodenum.
  4. All of the options are false.

ANS: A
All three organs are solid (not hollow or collapsible) organs. A pathologic condition in the liver, biliary tract, pancreas, or spleen often requires surgical intervention. These organs are highly vascular and control many metabolic and immune functions of the body.

REF: Pages 357-361

2. The functional units of the liver are the lobules. The functional cells of the liver are the ______________ and they manufacture _______________.

  1. Kupffer cells; phagocytes
  2. sinusoid cells; lymphocytes
  3. hepatocytes; bile
  4. portal triad cells; ductal epithelium

ANS: C
Lobules are the functional units of the liver. Each lobule contains a portal triad that consists of a hepatic duct, a hepatic portal vein branch, and a branch of the hepatic artery, nerves, and lymphatics. The hepatic cords consist of numerous columns of hepatocytes—the functional cells of the liver. The hepatic sinusoids are the blood channels that communicate among the columns of hepatocytes. The sinusoids have a thin epithelial lining composed primarily of Kupffer cells—phagocytic cells that engulf bacteria and toxins. Bile is manufactured by the hepatocytes.

REF: Page 357

3. The liver is essential in the metabolism of carbohydrates, proteins, and fats, generating nutrient stores of which substance that supplies energy sources to the brain and body?

  1. Carbohydrate glucose substrate
  2. Glycogen
  3. Serum glucosamine
  4. Bile salts

Copyright © 2011, 2007 by Mosby, Inc., an affiliate of Elsevier Inc.

Test Bank 11-2

ANS: B
The liver is essential in the metabolism of carbohydrates, proteins, and fats. It metabolizes nutrients into stores of glycogen, used for regulation of blood glucose levels and as energy sources for the brain and body functions.

REF: Pages 357-358

4. The biliary system (also called the biliary tree) drains bile from the gallbladder to the ampulla of Vater. The primary function of the gallbladder is to:

  1. manufacture bile.
  2. convert bile salts into bile enzymes.
  3. store and concentrate bile.
  4. contract to secrete bile into the hepatic duct.

ANS: C
The gallbladder, which lies in a sulcus on the undersurface of the right lobe of the liver, terminates in the cystic duct (Figure 11-3). This ductal system provides a channel for the flow of bile to the gallbladder, where it becomes highly concentrated during storage. The liver produces about 600 to 1000 ml of bile each day. The gallbladder’s average storage capacity is 40 to 70 ml. As the musculature of the gallbladder contracts, bile is forced into the cystic duct and through the common duct. As the sphincter of Oddi in the ampulla of Vater relaxes, bile is released, flowing into the duodenum to aid in digestion by emulsification of fats.

REF: Page 359

5. The head of the pancreas is fixed to the:

  1. spleen.
  2. duodenum.
  3. stomach.
  4. biliary tree

ANS: B
The pancreas (see Figure 11-3) is a fixed structure lying transversely behind the stomach in the upper abdomen. The head of the pancreas is fixed to the curve of the duodenum.

REF: Pages 359-360

6. While the pancreas’ function is carbohydrate metabolism with the production of insulin and digestive enzymes, the spleen’s function is primarily ___________ with the production of _______________.

  1. immunologic; leukocytes
  2. metabolic; granulocytes
  3. anabolic; plasma cells
  4. as a blood reservoir; phagocytes

ANS: A

Copyright © 2011, 2007 by Mosby, Inc., an affiliate of Elsevier Inc.

Test Bank 11-3

The spleen has many functions. Among them are defense of the body by phagocytosis of microorganisms, formation of nongranular leukocytes and plasma cells, and phagocytosis of damaged red blood cells. It also acts as a blood reservoir. The pancreas contains groups of cells, called islets, or islands, of Langerhans, that secrete hormones into the blood capillaries instead of into the duct. These hormones are insulin and glucagon, and both are involved in carbohydrate metabolism.

REF: Pages 360-361

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