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25 terms

(Quiz) Alterations of Digestive Function Ch 39

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During vomiting, there is:
Deep inspiration, airway closure, forceful diaphragm and abdominal muscle contractions, and esophageal sphincter relaxation
Achalasia:
a. manifests as regurgitation of chyme
b. has denervation of smooth muscle in the esophagus
c. occurs in response to sedentary lifestyle
d. results in esophageal sphincter relaxation
has denervation of smooth muscle in the esophagus
Osmotic diarrhea is caused by:
a. nonabsorbable intestinal contents
b. bacterial enterotoxins
c. ulcerative colitis
d. Croh disease
nonabsorbable intestinal contents
Melena is:
Black, tarry stools
A common manifestation of hiatal hernia is:
a. gastroesophageal reflux
b. diarrhea
c. belching
d. vomitus w/out bile
gastroesophageal reflux
Gastroesophageal reflux is:
a. caused by rapid gastric emptying
b. excessive lower esophageal sphincter functioning
c. associated w/ abd. surgery
d. caused by lower esophageal sphincter incompetence
caused by lower esophageal sphincter incompetence
Intestinal obstruction causes:
a. decreased intraluminal tension
b. hyperkalemia
c. decreased nutrient absorption
d. epigastric fullness
decreased nutrient absorption
Peptic ulcers may be caused by:
a. NSAIDs
b. H. pylori
c. habitual alcohol consumption
d. mucus secretion
e. all of the above
all of the above
Gastric ulcers:
a. may lead to malignancy
b. occur at a younger age than duodenal ulcers
c. always have increased acid production
d. exhibit nocturnal pain
e. both a and c
may lead to malignancy
Duodenal ulcers:
a. occur four times more frequently in females than males
b. may be complicated by hemorrhage
c. are associated with sepsis
d. may cause inflammation and scar tissue formation around the sphincter of Oddi
may be complicated by hemorrhage
In malabsorption syndrome, flatulence and abdominal distention are likely caused by:
a. protein deficiency and electrolyte imbalance
b. undigested lactose fermentation by bacteria
c. fat irritating the bowel
d. impaired absorption of amino acids and accompanying edema
undigested lactose fermentation by bacteria
The characteristic lesion of Crohn disease is:
a. found in the colon
b. precancerous
c. granulomatous
d. malignant
granulomatous
Which gene is most often associated with digestive system cancers?
a. K-ras
b. p53
c. p16
d. APC
p53
A 14 yr old boy has been admitted to the ED w/ acute-onset abd. pain in the RLQ. Abdominal rebound tenderness is intense, and he has a fever and leukocytosis. This individual most likely has:
a. acute appendicitis
b. diverticulitis
c. ulcerative colitis
d. cholelithiasis
e. cholecystitis
acute appendicitis
The control of appetite and body is influenced by many different hormones. Leptin:
a. decreases the appetite
b. stimulates NPY/AGRP neurons
c. stimulates appetite
d. sets the hypothalamus thermostat
decreases the appetite
Short-term starvation involves:
a. glycogenolysis
b. gluconeogenesis
c. proteolysis
d. both a and b
e. all are correct
a and b are correct
The most common manifestation of portal hypertension is:
vomiting of blood from esophageal bleeding
Hepatic encephalopathy is manifested by:
a. ascites
b. splenomegaly
c. dark urine
d. oliguria
e. cerebral dysfunction
cerebral dysfunction
Acute occlusion of mesenteric artery blood results from:
a. dissecting aortic aneurysms
b. chronic segmental ischemia
c. arteriosclerosis
d. necrosis of intestinal tissue
Dissecting aortic aneurysm
Which type of jaundice is due to genetic enzyme defects?
a. obstructive
b. hemolytic
c. hepatocellular
d. both a and c
Hepatocellular
Which most often causes postnecrotic cirrhosis?
a. malnutrition
b. alcoholism
c. hepatitis C
d. autoimmunity
e. biliary obstruction
Hep. C
Diverticulitis:
a. manifests as pain in the RLQ
b. is asymptomatic
c. commonly involves the transverse colon
d. is inflammation of diverticular outpouchings of mucosa through muscle layers of the colon
is inflammation of diverticular outpouchings of mucosa through muscle layers of the colon
In pancreatitis:
a. tissue damage likley results from release of pancreatic enzymes
b. cholesterol intake is causative
c. diabetes is uncommon in chronic pancreatitis
d. the cause is bacterial infection
tissue damage likley results from release of pancreatic enzymes
A complication of ulcerative colitis not seen w/ Crohn disease is:
a. gangrene and rupture
b. obstruction
c. intestinal malabsorption
d. increased risk for adenocarcinoma of the colon
Increased risk for adenocarcinoma of the colon
Excessive ingestion of NSAIDs and aspirin can cause:
a. acute gastritis
b. esophagitis
c. stress ulcers
d. gastric atrophy
Acute gastritis