GI (Gastrointestinal) NCLEX Practice Questions

Bleeding esophageal varices in a client with cirrhosis is a life-threatening hemorrhagic emergency. The falling blood pressure, tachycardia, and cool clammy skin already signal hypovolemic shock, so the priority is restoring circulating volume: establish two large-bore IV lines and begin fluid resuscitation and blood products (a restrictive transfusion strategy targeting hemoglobin about 7-8 g/dL is preferred once actively resuscitated) while keeping the client NPO and preparing for emergent endoscopy (band ligation or sclerotherapy). This directly addresses the airway/circulation threat and is the correct first action.

Encouraging oral fluids of any temperature is wrong because the client is actively vomiting blood and hemodynamically unstable; giving oral intake risks aspiration and delays resuscitation, and iced fluids do not constrict the varices or stop variceal bleeding. Providing a high-protein snack is incorrect because the client must stay NPO during active bleeding and while awaiting emergent endoscopy; protein is not routinely restricted in cirrhosis once eating resumes (about 1.2 to 1.5 g/kg/day), although blood in the gut is itself a protein load that can precipitate hepatic encephalopathy. Applying a warm compress to the upper abdomen offers no benefit and wastes critical time; heat does not control variceal hemorrhage, and lying flat without addressing volume does not correct shock.

Clinical pearl: for any GI bleed, think 'ABCs and volume first' — large-bore access, fluids, type and crossmatch, NPO, then definitive treatment. Octreotide and vasopressin reduce portal pressure, and a Sengstaken-Blakemore/balloon tamponade may be used as a bridge. Current standards prioritize hemodynamic stabilization and urgent endoscopy within 12 hours for variceal bleeds.

Continuing the lactulose is correct. Lactulose is the cornerstone therapy for hepatic encephalopathy: it acidifies the colon and converts absorbable ammonia to ammonium, which is trapped in the gut and excreted in stool, lowering the serum ammonia (about 15 to 45 mcg/dL) that drives confusion and asterixis. It is titrated to 2 to 3 soft stools per day, so soft stools mean the drug is working. Four soft stools is just above the 2-to-3-per-day target but is not excessive, so the nurse reassures the client and continues the dose, reducing it only for excessive watery output with signs of dehydration or hypokalemia.

Holding the lactulose is the classic landmine: soft stools are the intended effect, not toxicity, and stopping it lets ammonia climb and mentation deteriorate. Starting a high-protein diet is the wrong best response because it does not address the loose-stool/lactulose concern the client raised; note that current AASLD guidance actually recommends adequate protein (roughly 1.2 to 1.5 g/kg/day, using vegetable or BCAA sources if intolerant) to prevent sarcopenia, so protein is not simply restricted. Restricting all oral fluids is unsafe: it does not treat encephalopathy and, with ongoing stool losses, risks dehydration and electrolyte imbalance.

Clinical pearl: with lactulose, you WANT the stools, targeting 2 to 3 soft stools daily, and you track mental status and asterixis as response markers. Watch potassium, because diarrhea-induced hypokalemia can paradoxically worsen encephalopathy. Rifaximin is commonly added to reduce ammonia-producing gut bacteria.

Early care in acute pancreatitis centers on IV fluid resuscitation, pain control, and a short NPO period while the client has severe pain, nausea, or vomiting. Current ACG guidance favors moderately aggressive isotonic fluids (lactated Ringer preferred), reassessed frequently with monitoring for volume overload. Nasogastric suction is added only for persistent vomiting or ileus, not routinely. Once pain and nausea ease, a low-fat oral diet is started early, often within 24 to 48 hours in mild disease, without waiting for enzymes to normalize. The severe epigastric pain radiating to the back plus elevated lipase (normal about 0-160 U/L; amylase also rises) supports the diagnosis, so fluids, analgesia, and brief NPO are the first-line priorities.

Providing a meal right now is incorrect because the client is in severe pain on admission and fluids and analgesia come first; a low-fat diet is started early once pain and nausea improve, and normal enzyme levels are not required before eating. Encouraging oral fluids is likewise wrong for the same reason — the client is NPO and receives IV hydration instead. Positioning the client flat and supine actually increases pain; clients with pancreatitis are more comfortable sitting up, leaning forward, or in a knee-to-chest (fetal) position, which relieves the stretch on the inflamed pancreas.

Clinical pearl: think ‘fluids, pain, then early feeding’ — IV volume, analgesia, brief NPO (NG suction only for persistent vomiting or ileus), then a low-fat diet as tolerated. Assess for Cullen sign (periumbilical bruising) and Grey Turner sign (flank bruising), which indicate hemorrhagic pancreatitis and possible hypovolemic shock. Monitor calcium, since hypocalcemia (positive Chvostek/Trousseau) can develop, and watch glucose because islet cell damage can raise blood sugar.

Crohn disease is defined by transmural inflammation (through all layers of the bowel wall) that occurs in a patchy 'skip lesion' pattern and can appear anywhere along the GI tract from the mouth to the anus, most often the terminal ileum, producing right-lower-quadrant pain. Because the inflammation is full-thickness, Crohn is prone to complications such as fistulas, abscesses, strictures, and obstruction. That combination — transmural, skip lesions, mouth-to-anus distribution, and fistulas — is the hallmark that distinguishes it from ulcerative colitis.

Continuous inflammation beginning in the rectum and limited to the colon describes ulcerative colitis, not Crohn; UC spreads proximally from the rectum in an uninterrupted pattern. Bloody diarrhea from a disease that total colectomy can cure also describes UC: because UC is confined to the colon, removing the colon is curative, whereas Crohn can recur anywhere in the GI tract and is not cured by colectomy. Inflammation confined to the innermost mucosal layer again describes UC, which is largely limited to the mucosa (occasionally the superficial submucosa), unlike the full-thickness involvement of Crohn.

Clinical pearl: remember 'Crohn = Cobblestones, skip lesions, mouth-to-anus, fistulas' versus 'UC = Continuous, Colon only, Cured by Colectomy, bloody diarrhea.' Both are treated with aminosalicylates, corticosteroids, immunomodulators, and biologics, and both increase colon cancer risk requiring surveillance colonoscopy. Nutritional support and monitoring for dehydration and electrolyte loss from diarrhea are priorities in both conditions.

With suspected appendicitis, the nurse must protect against rupture and get the client ready for surgery. Keeping the client NPO is essential both in case of urgent appendectomy (anesthesia requires an empty stomach) and to avoid stimulating an inflamed appendix; the nurse also monitors for signs of perforation and peritonitis. Preparing for surgery, giving IV fluids, and controlling pain while awaiting the surgeon are the appropriate nursing actions.

Applying heat to the right lower quadrant is contraindicated because heat increases circulation and can cause the inflamed appendix to rupture, spilling infected contents into the peritoneum. Administering a cleansing enema is likewise dangerous: enemas increase intestinal motility and intraluminal pressure and can precipitate rupture. Giving a stimulant laxative is contraindicated for the same reason — increasing peristalsis against an obstructed, inflamed appendix raises the risk of perforation. The classic teaching is: no heat, no laxatives, no enemas with suspected appendicitis.

Clinical pearl: watch for the ominous shift where severe pain suddenly stops (the appendix may have ruptured) followed by a rigid, board-like abdomen, rebound tenderness, fever, and tachycardia — signs of peritonitis, a surgical emergency. Position the client with knees flexed for comfort, and never mask worsening findings. Current standards support prompt surgical evaluation, IV antibiotics before surgery for everyone with suspected appendicitis, and appendectomy as the standard treatment, with antibiotics alone an option for some mild cases.

Eradicating H. pylori requires completing the full course of therapy — typically a proton pump inhibitor plus two antibiotics (triple therapy) or a PPI, bismuth, and two antibiotics (quadruple therapy) for the entire prescribed duration. Finishing all medications prevents antibiotic resistance and ulcer recurrence, and avoiding NSAIDs, alcohol, and smoking removes the major irritants that damage the gastric mucosa and impair healing. The statement about finishing every dose and avoiding these irritants shows correct understanding.

Taking ibuprofen is incorrect because NSAIDs inhibit protective prostaglandins, directly injure the gastric lining, and are a leading cause of peptic ulcers and GI bleeding; the client should use acetaminophen instead. Stopping antibiotics early when symptoms improve is a classic error — symptom relief does not equal eradication, and incomplete therapy breeds resistant H. pylori and treatment failure. Drinking alcohol, even occasionally, is wrong because alcohol irritates and erodes the gastric mucosa, stimulates acid secretion, and delays ulcer healing.

Clinical pearl: teach clients to report sudden, severe, diffuse abdominal pain with a rigid, board-like abdomen — this signals ulcer perforation, a surgical emergency causing chemical then bacterial peritonitis. Also review signs of GI bleeding: coffee-ground emesis, melena (black tarry stools), and dizziness. Confirm eradication with a urea breath test or stool antigen test after therapy, and remind clients that PPIs are most effective taken before meals.

The gallbladder stores bile and releases it in response to fat to aid digestion. In cholecystitis, that contraction against an inflamed or obstructed gallbladder triggers pain, so the correct teaching is a low-fat diet that avoids fatty and fried foods. Reducing dietary fat decreases gallbladder stimulation, limits painful episodes, and is the standard nutritional recommendation both during acute attacks and for ongoing management (and before or after cholecystectomy).

Increasing fried and fatty foods is the opposite of correct care — fat is the very stimulus that provokes gallbladder contraction and the characteristic RUQ pain, so this would worsen symptoms. A high-fat ketogenic diet is likewise contraindicated because its high fat load stimulates bile release and aggravates the inflamed gallbladder, regardless of any weight-loss benefit. Eating large meals is wrong because large, especially fatty, meals cause stronger gallbladder contraction and more pain; smaller, low-fat meals are better tolerated.

Clinical pearl: a positive Murphy sign — the client stops inspiration due to pain when the examiner palpates under the right costal margin — strongly suggests cholecystitis. Classic risk factors are the '4 Fs': Female, Forty, Fat, and Fertile. Watch for jaundice, clay-colored stools, and dark urine, which suggest common bile duct obstruction. Fatty-food intolerance, bloating, and RUQ pain that may radiate to the right shoulder are hallmark symptoms, and laparoscopic cholecystectomy is the definitive treatment.

A healthy stoma is beefy-red (or pink) and moist, reflecting good blood supply, so that finding is correct. Emptying the pouch when it is one-third to one-half full is correct because a fuller pouch becomes heavy and can loosen the seal, causing leakage and skin breakdown. Ileostomy output being liquid and high-volume is correct: because an ileostomy exits the small intestine before the colon reabsorbs water, effluent is watery and continuous, putting the client at real risk for dehydration and electrolyte imbalance (especially sodium and potassium). Protecting the peristomal skin with a well-fitted barrier is correct — the effluent, particularly the enzyme-rich liquid stool of an ileostomy, is highly irritating to skin. Stool from a sigmoid colostomy being more formed than ileostomy output is correct because the farther along the colon the ostomy is, the more water has been reabsorbed, yielding more solid stool.

The statement that a pale, dusky, or dark stoma is normal and needs no action is incorrect and is the critical distractor: a pale stoma suggests poor perfusion or low hemoglobin, and a dusky, purple, or black stoma indicates ischemia or necrosis — a surgical emergency the nurse must report immediately.

Clinical pearl: 'red and wet is good; blue, dusky, or black — call back.' Teach ileostomy clients to increase fluids and watch for signs of dehydration, avoid high-fiber foods that can cause blockage early on, and expect the stoma to shrink over the first several weeks.

GERD occurs when the lower esophageal sphincter (LES) allows gastric acid to reflux into the esophagus, so teaching centers on reducing reflux and LES relaxation. Elevating the head of the bed uses gravity to keep acid in the stomach during sleep and is correct. Avoiding food within 2 to 3 hours of lying down is correct because an empty stomach at bedtime means less volume and acid available to reflux. Eating smaller, more frequent meals is correct since large meals distend the stomach, raise intragastric pressure, and promote reflux. Avoiding trigger foods — caffeine, chocolate, peppermint, alcohol, and fatty or fried foods — is correct because these relax the LES and/or increase acid, worsening symptoms. Losing weight if overweight is correct because excess abdominal weight raises intra-abdominal pressure and pushes gastric contents upward.

Lying down immediately after meals is incorrect and is the distractor: a recumbent position right after eating removes the gravity that keeps acid down and directly promotes reflux. Clients should instead remain upright for 2 to 3 hours after eating.

Clinical pearl: think 'stay up, eat light, avoid triggers.' Additional teaching includes not smoking (nicotine relaxes the LES), avoiding tight clothing around the waist, and taking prescribed PPIs or H2 blockers as directed. Untreated chronic GERD can lead to esophagitis, strictures, and Barrett esophagus, a premalignant change requiring endoscopic surveillance, so persistent symptoms warrant evaluation.

Hepatitis A spreads by the fecal-oral route through contaminated food, water, or unwashed hands, so that statement is correct, and good hand hygiene (along with safe food and water handling) is a key prevention measure, making that statement correct as well. Hepatitis B and C are bloodborne and transmitted through blood and body fluids (needlesticks, shared needles, sexual contact, perinatal exposure), so that statement is correct. Vaccines are available for hepatitis A and hepatitis B — and hepatitis B vaccination also protects against hepatitis D — so that statement is correct. Hepatitis D is a defective virus that requires the hepatitis B surface antigen to replicate, so it can only infect someone already infected with hepatitis B (coinfection or superinfection); that statement is correct.

The inaccurate statement is that hepatitis A commonly progresses to chronic liver disease and cirrhosis. Hepatitis A is typically an acute, self-limiting illness that does not cause chronic hepatitis; it is hepatitis B and especially hepatitis C that become chronic and can lead to cirrhosis and hepatocellular carcinoma.

Clinical pearl: remember 'A and E come from the Enteral/fecal-oral route (think A = Alimentary), while B, C, and D come from Blood and body fluids.' There is no vaccine for hepatitis C, so prevention relies on avoiding blood exposure and using standard precautions; however, highly effective direct-acting antiviral drugs can now cure most hepatitis C infections. Encourage vaccination, safe sex, no needle sharing, and postexposure prophylaxis when indicated.