Gastroenterology — MCQs
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A 45-year-old female with no past medical history presents with jaundice. Laboratory results show increased bilirubin, predominantly direct, and normal liver enzymes. An abdominal ultrasound reveals dilated intrahepatic bile ducts but no gallstones. What is the most appropriate next step in management?
A 55-year-old man with a 2-week history of jaundice, weight loss, and epigastric pain has a CT scan showing a pancreatic head mass. What is the next step?
In a 62-year-old male with a history of alcohol use disorder presenting with severe epigastric pain radiating to the back, vomiting, and laboratory results indicating elevated amylase and lipase, which approach is preferred for nutritional support?
Which of the following is the most appropriate first-line treatment for a patient with acute variceal hemorrhage?
A 45-year-old patient presents with fatigue, jaundice, and ascites. Laboratory results show a bilirubin level of 5.0, an INR of 1.5, and an albumin level of 2.8. Imaging reveals cirrhosis and a 3 cm liver mass. What is the best management?
A patient reports severe, recurring abdominal pain, and laboratory tests indicate elevated serum amylase. Which condition is most likely?
A woman with a history of primary biliary cholangitis is at an increased risk of developing which condition?
A 55-year-old woman presents with new-onset ascites, jaundice, and asterixis. Laboratory tests reveal elevated liver enzymes and low serum albumin. What is the most likely diagnosis?
A 30-year-old female presents with right upper quadrant pain. An ultrasound shows a gallbladder with thickened walls and pericholecystic fluid. What is the most likely diagnosis?
A 70-year-old male presents with a history of smoking and a new-onset peptic ulcer. Endoscopy reveals an ulcer in the duodenum with no bleeding. What is the most appropriate treatment?
Gastroenterology Indian Medical PG Practice Questions and MCQs
Question 1121: A 45-year-old female with no past medical history presents with jaundice. Laboratory results show increased bilirubin, predominantly direct, and normal liver enzymes. An abdominal ultrasound reveals dilated intrahepatic bile ducts but no gallstones. What is the most appropriate next step in management?
- A. MRCP (Correct Answer)
- B. Liver biopsy
- C. ERCP
- D. Repeat abdominal ultrasound in 6 months
Explanation: ***MRCP*** - **MRCP (Magnetic Resonance Cholangiopancreatography)** is the most appropriate next step given the presence of **dilated intrahepatic bile ducts** and **obstructive jaundice** without gallstones on initial ultrasound. [1] - It non-invasively provides detailed imaging of the entire biliary tree, helping to identify the level and cause of obstruction, such as a mass or stricture, without the risks of an invasive procedure. [1] *Liver biopsy* - A **liver biopsy** is typically indicated for parenchymal liver diseases, elevated liver enzymes, or to stage fibrosis, none of which are the primary concern here with **normal liver enzymes** and direct hyperbilirubinemia suggesting obstruction. [2] - It would not help to identify the cause of the **biliary obstruction** and carries risks such as bleeding and infection. [2] *ERCP* - **ERCP (Endoscopic Retrograde Cholangiopancreatography)** is an **invasive procedure** with therapeutic potential, such as stent placement or stone removal. [1] - While it can diagnose biliary obstruction, it is more appropriately used **after a non-invasive imaging study** like MRCP has localized the obstruction, or when therapeutic intervention is immediately indicated. *Repeat abdominal ultrasound in 6 months* - Repeating the ultrasound in 6 months would significantly **delay diagnosis and treatment** for a potentially serious cause of biliary obstruction. - Jaundice, especially with dilated ducts, requires prompt investigation to rule out conditions like cholangiocarcinoma or other obstructive lesions.
Question 1122: A 55-year-old man with a 2-week history of jaundice, weight loss, and epigastric pain has a CT scan showing a pancreatic head mass. What is the next step?
- A. Endoscopic ultrasound with biopsy (Correct Answer)
- B. ERCP with stent placement
- C. Immediate surgery
- D. Chemotherapy
Explanation: ***Endoscopic ultrasound with biopsy*** - EUS with **biopsy** is the most accurate method for tissue diagnosis of a pancreatic head mass, which is crucial for confirming malignancy and guiding treatment [2]. - It allows for direct visualization of the mass and surrounding structures, providing information on resectability. *ERCP with stent placement* - **ERCP with stent placement** is primarily a therapeutic measure to relieve biliary obstruction causing jaundice, not a diagnostic step for the mass itself [1]. - While it may be performed if the patient's **jaundice** is severe, it would typically follow, or be combined with, diagnostic biopsy [1]. *Immediate surgery* - **Immediate surgery** is inappropriate without a definitive tissue diagnosis and assessment of resectability. - A pancreatic head mass could be benign, or the malignancy could be unresectable due to invasion or metastasis, requiring neoadjuvant therapy. *Chemotherapy* - **Chemotherapy** is typically initiated after a confirmed diagnosis of malignancy and thorough staging, usually in the context of advanced or unresectable disease. - It would not be the initial step after identifying a mass on CT scan.
Question 1123: In a 62-year-old male with a history of alcohol use disorder presenting with severe epigastric pain radiating to the back, vomiting, and laboratory results indicating elevated amylase and lipase, which approach is preferred for nutritional support?
- A. Early enteral feeding to maintain gut integrity and reduce infection risk (Correct Answer)
- B. Parenteral nutrition to rest the pancreas
- C. NPO with IV fluids, consider enteral feeding after 72 hours
- D. Total parenteral nutrition immediately
Explanation: Early enteral feeding to maintain gut integrity and reduce infection risk - Early enteral feeding is preferred because it helps maintain the integrity of the gut mucosal barrier, which can prevent bacterial translocation and reduce the risk of infectious complications like pancreatic necrosis infection [1]. - It also helps to prevent gut atrophy and is associated with a lower incidence of systemic inflammatory response syndrome (SIRS) compared to parenteral nutrition, making it beneficial in severe acute pancreatitis [1]. Parenteral nutrition to rest the pancreas - While historically, pancreatic rest was a goal, research has shown that parenteral nutrition can be associated with an increased risk of complications such as catheter-related bloodstream infections and gut mucosal atrophy. - It does not offer the same benefits in maintaining gut integrity as enteral feeding, and the concept of "resting the pancreas" is largely outdated with respect to severe acute pancreatitis management. NPO with IV fluids, consider enteral feeding after 72 hours - Keeping the patient NPO (nil per os) for an extended period, even with IV fluids, does not provide the nutritional support needed to prevent gut atrophy and may delay recovery in severe pancreatitis. - Delaying enteral feeding beyond 24-48 hours may miss the window for maximizing its benefits in maintaining gut integrity and reducing infectious risks. Total parenteral nutrition immediately - Initiating TPN immediately is generally reserved for patients who cannot tolerate enteral feeding after a reasonable trial or if there is severe gut dysfunction. - It carries increased risks of infection, hyperglycemia, and liver complications compared to enteral feeding, and does not provide the trophic effects on the gut mucosa.
Question 1124: Which of the following is the most appropriate first-line treatment for a patient with acute variceal hemorrhage?
- A. Beta-blockers
- B. Endoscopic variceal ligation (Correct Answer)
- C. Sclerotherapy
- D. Transjugular intrahepatic portosystemic shunt (TIPS)
Explanation: ***Endoscopic variceal ligation*** - **Endoscopic variceal ligation (EVL)** is the gold standard and most appropriate first-line treatment for acute variceal hemorrhage due to its effectiveness in achieving **hemostasis** and reducing rebleeding [1]. - It involves placing **elastic bands** around the varices to occlude them, a procedure with high success rates and a favorable safety profile [1]. *Beta-blockers* - **Beta-blockers** are primarily used for the **prophylaxis of variceal bleeding** and not for acute hemorrhage. - While they reduce portal pressure, their effect is too slow to manage active, life-threatening bleeding. *Sclerotherapy* - **Sclerotherapy** involves injecting a **sclerosing agent** directly into or adjacent to the varices to induce fibrosis and obliteration. - Although effective, it has a **higher complication rate** (e.g., esophageal strictures, perforations) compared to EVL and is generally reserved for situations where EVL is not feasible [1]. *Transjugular intrahepatic portosystemic shunt (TIPS)* - **TIPS** is a procedure that creates a shunt between the portal and hepatic veins to decompress the portal system [2]. - It is typically considered for **refractory variceal bleeding** that fails initial endoscopic and pharmacological management, or as a **salvage procedure**, rather than a first-line treatment [2].
Question 1125: A 45-year-old patient presents with fatigue, jaundice, and ascites. Laboratory results show a bilirubin level of 5.0, an INR of 1.5, and an albumin level of 2.8. Imaging reveals cirrhosis and a 3 cm liver mass. What is the best management?
- A. Liver transplantation (Correct Answer)
- B. Surgical resection
- C. Radiofrequency ablation
- D. Transarterial chemoembolization
Explanation: ***Liver transplantation*** - This patient presents with **decompensated cirrhosis** (jaundice, ascites, elevated INR, low albumin) and a **3 cm liver mass**, likely **hepatocellular carcinoma (HCC)**. Liver transplantation is often the best management for patients with HCC in the setting of decompensated cirrhosis when they meet specific criteria (e.g., Milan criteria). - Transplantation not only removes the **tumor** but also addresses the underlying **liver disease** and improves survival. *Surgical resection* - **Surgical resection** is typically reserved for patients with **early-stage HCC** who have **preserved liver function** (compensated cirrhosis or no cirrhosis) and who can tolerate the procedure. - This patient has **decompensated cirrhosis**, making surgical resection a high-risk option due to increased chances of **post-operative liver failure**. *Radiofrequency ablation* - **Radiofrequency ablation (RFA)** is a local therapy often used for **small HCC lesions** (typically < 3-5 cm) in patients who are not candidates for surgical resection, but who still have **relatively preserved liver function**. - While the tumor size is appropriate, **decompensated cirrhosis** significantly increases the risk of complications from RFA and may not adequately address the overall liver disease and its prognosis. *Transarterial chemoembolization* - **Transarterial chemoembolization (TACE)** is a regional therapy often used for **intermediate-stage HCC** (multifocal or larger tumors not suitable for curative therapies) or as a **bridging therapy** to transplantation. - TACE is generally used in patients whose **liver function** is **Child-Pugh A or B**, but typically avoided in Child-Pugh C or decompensated patients due to the risk of **liver decompensation**.
Question 1126: A patient reports severe, recurring abdominal pain, and laboratory tests indicate elevated serum amylase. Which condition is most likely?
- A. Acute pancreatitis (Correct Answer)
- B. Hepatic cirrhosis
- C. Peptic ulcer disease
- D. Gallstones
Explanation: ***Acute pancreatitis*** - **Severe, recurring abdominal pain** accompanied by **elevated serum amylase** is the hallmark presentation of acute pancreatitis [1]. - Amylase is an enzyme produced by the pancreas, and its elevation indicates pancreatic inflammation or injury. *Hepatic cirrhosis* - Characterized by **scarring of the liver**, often presenting with jaundice, ascites, and varices, not primarily severe abdominal pain and elevated amylase. - While liver dysfunction can impact other systems, it does not directly cause an elevated serum amylase as a primary symptom. *Peptic ulcer disease* - Typically causes **epigastric pain** that may be relieved or worsened by food, but elevated serum amylase is not a characteristic feature [1]. - Diagnosis usually involves endoscopy to visualize the ulcers. *Gallstones* - Can cause severe abdominal pain (**biliary colic**), especially after fatty meals, but it is not typically associated with elevated serum amylase unless there is an obstruction leading to **pancreatitis (gallstone pancreatitis)**. - The primary laboratory finding for symptomatic gallstones without pancreatitis is usually normal amylase, with potential elevations in bilirubin or alkaline phosphatase if there's obstruction.
Question 1127: A woman with a history of primary biliary cholangitis is at an increased risk of developing which condition?
- A. Pancreatic cancer
- B. Primary sclerosing cholangitis
- C. Cholangiocarcinoma (Correct Answer)
- D. Liver cirrhosis
Explanation: ***Cholangiocarcinoma*** - Patients with **primary biliary cholangitis (PBC)** have a significantly increased risk of developing **cholangiocarcinoma**, especially in later stages. - The chronic inflammation and liver damage associated with PBC contribute to a pro-oncogenic environment, increasing the risk of this bile duct cancer [1]. *Pancreatic cancer* - While PBC can be associated with other autoimmune conditions, there isn't a direct, significantly elevated risk of **pancreatic cancer** as a primary complication. - Pancreatic cancer risk factors are generally distinct from those for PBC. *Primary sclerosing cholangitis* - **Primary sclerosing cholangitis (PSC)** is a distinct disease characterized by inflammation and fibrosis of the bile ducts, and while it shares some features with PBC (e.g., cholestasis), they are separate entities [2]. - PBC and PSC generally do not transition into each other; they have different underlying pathologies and progression patterns [2]. *Liver cirrhosis* - **Liver cirrhosis** is a potential outcome or complication of untreated or progressive primary biliary cholangitis, not a separate condition that PBC patients are at increased risk of "developing" as an independent entity. - Cirrhosis represents the advanced scarring of the liver due to chronic liver disease, and in the context of PBC, it is a stage of the disease itself.
Question 1128: A 55-year-old woman presents with new-onset ascites, jaundice, and asterixis. Laboratory tests reveal elevated liver enzymes and low serum albumin. What is the most likely diagnosis?
- A. Alcoholic hepatitis
- B. Non-alcoholic fatty liver disease
- C. Hepatic encephalopathy
- D. Cirrhosis (Correct Answer)
Explanation: ***Cirrhosis*** - The constellation of **ascites**, **jaundice**, **asterixis**, **elevated liver enzymes**, and **low serum albumin** are classic signs of decompensated liver disease, most commonly due to cirrhosis [1]. - These symptoms reflect **portal hypertension**, impaired bilirubin metabolism, hepatic encephalopathy, and reduced synthetic liver function [3]. *Alcoholic hepatitis* - While alcoholic hepatitis can cause jaundice and elevated liver enzymes, it typically presents with a more acute inflammatory picture and may not immediately manifest with astercix and overt ascites without pre-existing cirrhosis [1]. - The diagnosis usually requires a history of significant alcohol abuse and often involves a liver biopsy for confirmation. *Non-alcoholic fatty liver disease* - **NAFLD** is a spectrum ranging from simple steatosis to non-alcoholic steatohepatitis (NASH) and cirrhosis [2]. - While it can progress to cirrhosis, the initial presentation with acute jaundice and asterixis described is more indicative of **decompensated cirrhosis** itself, rather than early-stage NAFLD. *Hepatic encephalopathy* - **Hepatic encephalopathy** is a complication of severe liver dysfunction, presenting with cognitive changes, asterixis, and altered consciousness [1]. - However, it is a *symptom* or *syndrome* resulting from severe liver disease (like cirrhosis), not the primary underlying diagnosis accounting for the ascites and jaundice [3].
Question 1129: A 30-year-old female presents with right upper quadrant pain. An ultrasound shows a gallbladder with thickened walls and pericholecystic fluid. What is the most likely diagnosis?
- A. Cholecystitis (Correct Answer)
- B. Choledocholithiasis
- C. Gallbladder polyp
- D. Hepatitis
Explanation: ***Cholecystitis*** - **Gallbladder wall thickening** and **pericholecystic fluid** on ultrasound are classic signs of acute inflammation of the gallbladder, characteristic of cholecystitis. - The presentation of **right upper quadrant pain** is also a key symptom of cholecystitis [1]. *Choledocholithiasis* - This condition involves **stones in the common bile duct**, which would typically present with **jaundice** and elevated **bilirubin** and **alkaline phosphatase**, not directly indicated by the ultrasound findings of thickened gallbladder walls [2]. - While gallstones can contribute to cholecystitis, the direct ultrasound findings point to gallbladder inflammation rather than a common bile duct obstruction. *Gallbladder polyp* - A **gallbladder polyp** is a growth on the inner wall of the gallbladder, typically appearing as a **fixed, non-shadowing echogenic mass** on ultrasound. - It does not cause gallbladder wall thickening or pericholecystic fluid unless complicated by inflammation, which would then be cholecystitis. *Hepatitis* - **Hepatitis** is inflammation of the **liver**, which would primarily show abnormal **liver function tests** and potentially **hepatomegaly** or altered liver echotexture on ultrasound. - It does not directly cause gallbladder wall thickening or pericholecystic fluid as its primary manifestation.
Question 1130: A 70-year-old male presents with a history of smoking and a new-onset peptic ulcer. Endoscopy reveals an ulcer in the duodenum with no bleeding. What is the most appropriate treatment?
- A. Proton pump inhibitor therapy (Correct Answer)
- B. Antibiotic therapy
- C. Endoscopic sclerotherapy
- D. Surgery
Explanation: ***Proton pump inhibitor therapy*** - **Proton pump inhibitors (PPIs)** are the cornerstone of treatment for peptic ulcers, as they effectively reduce **gastric acid secretion**, allowing the ulcer to heal [1]. - Given the patient's age and history of smoking, which are risk factors, a PPI will help create an environment conducive to mucosal repair [1]. *Antibiotic therapy* - **Antibiotic therapy** is only indicated if the peptic ulcer is caused by **Helicobacter pylori (H. pylori) infection** [1]. - No information is provided about *H. pylori* status, and antibiotic treatment without confirmation of *H. pylori* would be inappropriate and could contribute to **antibiotic resistance** [1]. *Endoscopic sclerotherapy* - **Endoscopic sclerotherapy** is a treatment for **bleeding ulcers or varices** to stop active hemorrhage. - The question explicitly states that there is **"no bleeding,"** making this intervention unnecessary and inappropriate in this scenario. *Surgery* - **Surgery** is typically reserved for complications of peptic ulcers such as **perforation, obstruction, or refractory bleeding** that cannot be managed endoscopically [1]. - Since the ulcer is uncomplicated and not actively bleeding, surgery would be an **overly aggressive** and unnecessary initial treatment [1].
Practice by Chapter
Esophageal Disorders
Practice Questions
Peptic Ulcer Disease
Practice Questions
Inflammatory Bowel Disease
Practice Questions
Irritable Bowel Syndrome
Practice Questions
Malabsorption Syndromes
Practice Questions
Pancreatitis (Acute and Chronic)
Practice Questions
Gastrointestinal Bleeding
Practice Questions
Liver Diseases and Cirrhosis
Practice Questions
Viral Hepatitis
Practice Questions
Biliary Tract Disorders
Practice Questions
Gastrointestinal Motility Disorders
Practice Questions
Gastrointestinal Malignancies
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