CHAPTER 27: GASTROINTESTINAL ANATOMY AND PHYSIOLOGY {Urden: Critical Care Nursing, 9th Edition}

C HAPTER 27: G ASTROINTESTINAL
A NATOMY AND P HYSIOLOGY
Urden: Critical Care Nursing, 9th Edition



MULTIPLE CHOICE


1. What is the main function of bile?
a. Emulsify fat globules
b. Serve as a reservoir for bilirubin
c. Maintain trigl yceride levels in the blood
d. Aid in detoxification of drugs in the liver



ANS: A



Bile emulsifies fat globules and absorbs fat -soluble vitamins.



PTS: 1 DIF: Cognitive Level: Remembering REF: p. 665
OBJ: Nursing Process Step: General TOP:
Gastrointestinal MSC: NC LEX: Physiologic Integrit y



2. A patient has been admitted in acute liver failure. The nurse knows that
the s ynthesis of fibrinogen is affected and will result in what problem?
a. Jaundice
b. Fluid retention and ascites
c. Delayed clotting
d. Hepatomegal y

, ANS: C



The liver synthesizes the clotting factors of fibrinogen and
prothrombin. Liver failure could affect this synthesis, which may result
in delayed clotting or hemorrhage.



PTS: 1 DIF: Cognitive Level: U nderstanding REF: p.
665 OBJ: Nursing Process Step: Assessment TOP:
Gastrointestinal MSC: NC LEX: Physiologic Integrit y



3. A patient has been admitted in acute liver failure. Which laboratory value
would the nurse expect to support this diagnosis?
a. Elevated blood glucose level
b. High levels of unconjugated bilirubin
c. Decreased prothrombin time
d. Decreased partial thromboplastin time



ANS: B



High levels of unconjugated or indirect bilirubin in the blood suggest
hepatocellular dysfunction. In comparison, high le vels of conjugated or
direct bilirubin suggest biliary tract obstruction.



PTS: 1 DIF: Cognitive Level: Appl ying REF: p. 665
OBJ: Nursing Process Step: Assessment TOP:
Gastrointestinal MSC: NC LEX: Physiologic Integrit y