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Exam & Evaluation (Understanding Liver Function Tests )
 
Questions: Please respond to following statements.

1 The weight of the liver in an adult is approximately:
  2 lbs.
  3 lbs.
  5 lbs.
  10 lbs.
2 All of the following are end products of metabolism except:
  Bilirubin
  Albumin
  Phospholipids
  Cholesterol
3 The most common cause of liver inflammation is:
  Tumor metastases to the liver
  Wilson's disease
  Hepatitis
  Hemochromatosis
4 Excess copper in the liver is a characteristic of:
  Hemochromatosis
  Wilson's disease
  Cirrhosis of the liver
  Biliary tract obstruction
5 All of the following are true statements about albumin except:
  It is less prevalent than globulin in the bloodstream
  It is responsible for oncotic pressure
  It is produced only in the liver
  It binds to drugs, hormones, and toxins
6 The most common reason for a low albumin level is:
  Acute liver failure
  Biliary tract obstruction
  Erythroblastosis fetalis
  Cirrhosis of the liver
7 Bilirubin is formed from the breakdown of:
  Heme in red blood cells
  Bile salts
  Albumin
  Globulins
8 Which of the following enzymes is needed for the conjugation of bilirubin?
  Aspartate aminotransferase
  Alkaline phophatase
  Glucuronyl transferase
  Lipase
9 An elevated bilirubin can be caused by:
  Increased bilirubin production
  Decreased bilirubin conjugation
  Blockage of the bile ducts
  All of the above
10 Mrs. Jones is a 48-year-old woman admitted with symptoms of cholelithiasis. If gallstones are blocking the common bile duct, you would expect to see an increase in:
  Albumin
  Urobilinogen
  Conjugated bilirubin
  Unconjugated bilirubin
11 Mr. Green is having liver function testing done to assess for potential cirrhosis of the liver. Mr. Green should have intramuscular injections withheld, if possible, before which of the following tests?
  Bilirubin
  Prothrombin time
  ALT and AST
  Fecal urobilinogen
12 Mr. Green is 61 years old. Approximately how many grams of protein should he consume each day?
  35 grams
  50 grams
  65 grams
  90 grams
13 Mr. Green is scheduled to have a liver biopsy. Which of the following lab tests would be a contraindication for a liver biopsy?
  An elevated ALT
  A low serum albumin
  A prolonged prothrombin time
  An elevated GGT
14 During the liver biopsy, Mr. Green must be able to:
  Lie on his side
  Hold his breath while the biopsy needle is inserted
  Have the procedure without sedation
  Remain over night in the hospital
15 A liver function test that is particularly sensitive for alcohol ingestion is:
  GGT
  ALT
  AST
  Albumin
16 Clay colored stools are caused by:
  A low albumin and low globulin level
  Lack of conversion of bilirubin to urobilinogen in the intestine
  An increase in alkaline phosphatase
  None of the above
17 An accurate estimate of liver cell inflammation or death can only be obtained by a liver biopsy.
True     False
18 Most urobilinogen is excreted in the urine.
True     False
19 Hepatic encephalopathy is caused by an accumulation of ___________in the bloodstream.
  ammonia
  urea
  albumin
  plasma proteins
20 Jaundice occurs when the bilirubin is above:
  2 mg/d
  3 mg/d
  5 mg/d
  12 mg/d
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