ATI GI Comprehensive Study Guide 2026/2027 | ATI Gastrointestinal Nursing
Study Guide & Comprehensive Practice Questions | ATI Adult Medical-Surgical
Nursing GI Exam Prep, Gastrointestinal Disorders, GI Assessment, GERD, Peptic
Ulcer Disease, Gastritis, GI Bleeding, Inflammatory Bowel Disease, Crohn’s
Disease, Ulcerative Colitis, Diverticular Disease, Bowel Obstruction, Ostomy Care,
Liver Disorders, Cirrhosis, Hepatitis, Pancreatitis, Gallbladder & Biliary Disorders,
Enteral & Parenteral Nutrition, GI Diagnostic Procedures, Pharmacology,
Prioritization, Clinical Judgment, NGN-Style Case Studies & Detailed Rationales
Question 1: A nurse is caring for a client who has acute
pancreatitis. Which serum laboratory value should the nurse
expect to return to the expected reference range within 72 hours of
treatment initiation?
A. Lipase
B. Aldolase
C. Amylase
D. Lactic dehydrogenase
CORRECT ANSWER: C. Amylase
Rationale: Serum amylase begins to rise 3 to 6 hours after the onset of
acute pancreatitis, peaks in 20 to 30 hours, and typically returns to the
expected reference range within 2 to 3 days (48 to 72 hours). Lipase rises
later and remains elevated for up to 14 days longer than amylase .
Question 2: A nurse is assessing a client who has a bleeding
duodenal ulcer. Which finding should the nurse expect?
A. Emesis with a coffee-ground appearance
B. Increased blood pressure
C. Decreased heart rate
D. Bright green stools
CORRECT ANSWER: A. Emesis with a coffee-ground appearance
Rationale: Hematemesis indicates upper gastrointestinal bleeding occurring
at or above the duodenojejunal junction. Blood that has been in contact
with gastric acid appears coffee-ground in nature. Clients with active
bleeding typically exhibit hypotension and tachycardia due to fluid loss, not
increased blood pressure or decreased heart rate .
Question 3: A nurse is providing teaching to the guardian of a child
who has celiac disease. Which food should the nurse instruct the
guardian to omit from the child's diet?
,A. Cornflakes
B. Reduced-fat milk
C. Canned fruits without additives
D. Wheat bread
CORRECT ANSWER: D. Wheat bread
Rationale: Clients with celiac disease must eliminate gluten from their diet.
Wheat, rye, and barley contain gluten and should be avoided. Cornflakes,
milk, and canned fruits without additives are gluten-free and do not need to
be omitted .
Question 4: A nurse is planning an in-service training session
regarding nutrition. Which mineral should the nurse identify as
involved in oxygen transportation?
A. Zinc
B. Iron
C. Phosphorus
D. Magnesium
CORRECT ANSWER: B. Iron
Rationale: Iron transports oxygen by means of hemoglobin and myoglobin.
Zinc plays a role in tissue growth and wound healing, phosphorus is
involved in bone formation and energy metabolism, and magnesium affects
enzyme and neurochemical activities, but none of these minerals directly
transport oxygen .
Question 5: A nurse is teaching a client who has a colostomy about
ways to reduce flatus and odor. Which strategy should the nurse
include?
A. Eat crackers and yogurt regularly
B. Chew minty gum throughout the day
C. Drink orange juice every day
D. Put an aspirin in the pouch
CORRECT ANSWER: A. Eat crackers and yogurt regularly
Rationale: Crackers and yogurt can help reduce flatus and odor in clients
with a colostomy. Chewing gum can increase air swallowing and worsen
flatus, orange juice can increase odor, and placing aspirin in the pouch is
not a recommended practice .
,Question 6: A nurse in a provider's office is assessing a client who
has GERD. Symptoms worsen with which action?
A. Stair-climbing
B. Bending over
C. Walking
D. Sitting upright
CORRECT ANSWER: B. Bending over
Rationale: Clients with GERD typically report that symptoms worsen with
bending over, which increases intra-abdominal pressure and promotes
reflux of gastric contents into the esophagus. Stair-climbing, walking, and
sitting upright do not typically exacerbate GERD symptoms .
Question 7: A nurse is caring for a client who has gastrointestinal
bleeding. The provider suspects a bleeding lesion in the colon.
Which procedure should the nurse anticipate as the initial
approach to treatment?
A. Exploratory laparotomy
B. Double-contrast barium enema
C. Magnetic resonance imaging
D. Colonoscopy
CORRECT ANSWER: D. Colonoscopy
Rationale: Colonoscopy is the initial diagnostic and therapeutic procedure
of choice for suspected colonic bleeding lesions. It allows direct
visualization of the colon, identification of the bleeding site, and potential
therapeutic intervention such as cauterization or clipping .
Question 8: A nurse is providing discharge teaching to the partner
of a client who has a new diagnosis of hepatitis A. Which
instruction should the nurse include?
A. "During this illness, she may take acetaminophen for fevers or
discomfort."
B. "Encourage her to eat foods that are high in carbohydrates."
C. "The provider will prescribe a medication to help her liver heal faster."
D. "Have her perform moderate exercise to restore her strength more
quickly."
, CORRECT ANSWER: B. "Encourage her to eat foods that are high in
carbohydrates."
Rationale: Clients with hepatitis A require adequate caloric intake,
particularly from carbohydrates, to meet metabolic demands and promote
liver healing. Acetaminophen should be avoided due to hepatotoxicity risk,
no medication exists to accelerate liver healing, and moderate exercise may
overtax the client's energy reserves .
Question 9: A nurse is caring for a child who had her spleen
removed following a bicycle accident. The parent asks about the
role of the spleen. The nurse should explain that the spleen
performs which function?
A. Maintains fluid balance
B. Regulates calcium in the blood
C. Destroys old blood cells
D. Produces prothrombin
CORRECT ANSWER: C. Destroys old blood cells
Rationale: The spleen functions to destroy old blood cells, filter blood, and
play a role in immune response. It does not maintain fluid balance, regulate
calcium, or produce prothrombin .
Question 10: A nurse is caring for a client who has fulminant
hepatic failure. Which procedure should the nurse anticipate for
this client?
A. Endoscopic sclerotherapy
B. Liver lobectomy
C. Transjugular intrahepatic portal-systemic shunt placement
D. Liver transplantation
CORRECT ANSWER: D. Liver transplantation
Rationale: Fulminant hepatic failure is a life-threatening condition with
massive hepatic necrosis. Liver transplantation is the definitive treatment
when the liver fails to recover with supportive care. Endoscopic
sclerotherapy treats varices, liver lobectomy removes a portion of the liver,
and TIPS is used for portal hypertension management .
Study Guide & Comprehensive Practice Questions | ATI Adult Medical-Surgical
Nursing GI Exam Prep, Gastrointestinal Disorders, GI Assessment, GERD, Peptic
Ulcer Disease, Gastritis, GI Bleeding, Inflammatory Bowel Disease, Crohn’s
Disease, Ulcerative Colitis, Diverticular Disease, Bowel Obstruction, Ostomy Care,
Liver Disorders, Cirrhosis, Hepatitis, Pancreatitis, Gallbladder & Biliary Disorders,
Enteral & Parenteral Nutrition, GI Diagnostic Procedures, Pharmacology,
Prioritization, Clinical Judgment, NGN-Style Case Studies & Detailed Rationales
Question 1: A nurse is caring for a client who has acute
pancreatitis. Which serum laboratory value should the nurse
expect to return to the expected reference range within 72 hours of
treatment initiation?
A. Lipase
B. Aldolase
C. Amylase
D. Lactic dehydrogenase
CORRECT ANSWER: C. Amylase
Rationale: Serum amylase begins to rise 3 to 6 hours after the onset of
acute pancreatitis, peaks in 20 to 30 hours, and typically returns to the
expected reference range within 2 to 3 days (48 to 72 hours). Lipase rises
later and remains elevated for up to 14 days longer than amylase .
Question 2: A nurse is assessing a client who has a bleeding
duodenal ulcer. Which finding should the nurse expect?
A. Emesis with a coffee-ground appearance
B. Increased blood pressure
C. Decreased heart rate
D. Bright green stools
CORRECT ANSWER: A. Emesis with a coffee-ground appearance
Rationale: Hematemesis indicates upper gastrointestinal bleeding occurring
at or above the duodenojejunal junction. Blood that has been in contact
with gastric acid appears coffee-ground in nature. Clients with active
bleeding typically exhibit hypotension and tachycardia due to fluid loss, not
increased blood pressure or decreased heart rate .
Question 3: A nurse is providing teaching to the guardian of a child
who has celiac disease. Which food should the nurse instruct the
guardian to omit from the child's diet?
,A. Cornflakes
B. Reduced-fat milk
C. Canned fruits without additives
D. Wheat bread
CORRECT ANSWER: D. Wheat bread
Rationale: Clients with celiac disease must eliminate gluten from their diet.
Wheat, rye, and barley contain gluten and should be avoided. Cornflakes,
milk, and canned fruits without additives are gluten-free and do not need to
be omitted .
Question 4: A nurse is planning an in-service training session
regarding nutrition. Which mineral should the nurse identify as
involved in oxygen transportation?
A. Zinc
B. Iron
C. Phosphorus
D. Magnesium
CORRECT ANSWER: B. Iron
Rationale: Iron transports oxygen by means of hemoglobin and myoglobin.
Zinc plays a role in tissue growth and wound healing, phosphorus is
involved in bone formation and energy metabolism, and magnesium affects
enzyme and neurochemical activities, but none of these minerals directly
transport oxygen .
Question 5: A nurse is teaching a client who has a colostomy about
ways to reduce flatus and odor. Which strategy should the nurse
include?
A. Eat crackers and yogurt regularly
B. Chew minty gum throughout the day
C. Drink orange juice every day
D. Put an aspirin in the pouch
CORRECT ANSWER: A. Eat crackers and yogurt regularly
Rationale: Crackers and yogurt can help reduce flatus and odor in clients
with a colostomy. Chewing gum can increase air swallowing and worsen
flatus, orange juice can increase odor, and placing aspirin in the pouch is
not a recommended practice .
,Question 6: A nurse in a provider's office is assessing a client who
has GERD. Symptoms worsen with which action?
A. Stair-climbing
B. Bending over
C. Walking
D. Sitting upright
CORRECT ANSWER: B. Bending over
Rationale: Clients with GERD typically report that symptoms worsen with
bending over, which increases intra-abdominal pressure and promotes
reflux of gastric contents into the esophagus. Stair-climbing, walking, and
sitting upright do not typically exacerbate GERD symptoms .
Question 7: A nurse is caring for a client who has gastrointestinal
bleeding. The provider suspects a bleeding lesion in the colon.
Which procedure should the nurse anticipate as the initial
approach to treatment?
A. Exploratory laparotomy
B. Double-contrast barium enema
C. Magnetic resonance imaging
D. Colonoscopy
CORRECT ANSWER: D. Colonoscopy
Rationale: Colonoscopy is the initial diagnostic and therapeutic procedure
of choice for suspected colonic bleeding lesions. It allows direct
visualization of the colon, identification of the bleeding site, and potential
therapeutic intervention such as cauterization or clipping .
Question 8: A nurse is providing discharge teaching to the partner
of a client who has a new diagnosis of hepatitis A. Which
instruction should the nurse include?
A. "During this illness, she may take acetaminophen for fevers or
discomfort."
B. "Encourage her to eat foods that are high in carbohydrates."
C. "The provider will prescribe a medication to help her liver heal faster."
D. "Have her perform moderate exercise to restore her strength more
quickly."
, CORRECT ANSWER: B. "Encourage her to eat foods that are high in
carbohydrates."
Rationale: Clients with hepatitis A require adequate caloric intake,
particularly from carbohydrates, to meet metabolic demands and promote
liver healing. Acetaminophen should be avoided due to hepatotoxicity risk,
no medication exists to accelerate liver healing, and moderate exercise may
overtax the client's energy reserves .
Question 9: A nurse is caring for a child who had her spleen
removed following a bicycle accident. The parent asks about the
role of the spleen. The nurse should explain that the spleen
performs which function?
A. Maintains fluid balance
B. Regulates calcium in the blood
C. Destroys old blood cells
D. Produces prothrombin
CORRECT ANSWER: C. Destroys old blood cells
Rationale: The spleen functions to destroy old blood cells, filter blood, and
play a role in immune response. It does not maintain fluid balance, regulate
calcium, or produce prothrombin .
Question 10: A nurse is caring for a client who has fulminant
hepatic failure. Which procedure should the nurse anticipate for
this client?
A. Endoscopic sclerotherapy
B. Liver lobectomy
C. Transjugular intrahepatic portal-systemic shunt placement
D. Liver transplantation
CORRECT ANSWER: D. Liver transplantation
Rationale: Fulminant hepatic failure is a life-threatening condition with
massive hepatic necrosis. Liver transplantation is the definitive treatment
when the liver fails to recover with supportive care. Endoscopic
sclerotherapy treats varices, liver lobectomy removes a portion of the liver,
and TIPS is used for portal hypertension management .
