Gastroenterology Practice Questions

Q: What is the definitive diagnostic marker for acute pancreatitis?

Lipase. **Explanation:** The diagnosis of acute pancreatitis requires at least two of the following three criteria: characteristic abdominal pain, serum amylase or lipase levels ≥3 times the upper limit of normal, and characteristic findings on contrast-enhanced CT [1]. **Why Lipase is the Correct Answer:** Serum **Lipase** is considered the preferred and more definitive biochemical marker compared to amylase. It is more **sensitive and specific** for pancreatic tissue. While amylase levels rise quickly but return to baseline within 3–5 days, lipase remains elevated for 7–14 days, making it more useful for patients who present late. Furthermore, lipase is not elevated in conditions like macroamylasemia or salivary gland disease, which can cause false elevations in amylase. **Why Other Options are Incorrect:** * **B. Serum Alkaline Phosphatase:** This is a marker of cholestasis or biliary obstruction. While it may be elevated in gallstone-induced pancreatitis, it does not diagnose the inflammation of the pancreas itself. * **C. Increased Serum Calcium:** In acute pancreatitis, **hypocalcemia** (low calcium) is typically seen due to saponification of fat in the retroperitoneum. Hypercalcemia is actually a *cause* of pancreatitis, not a diagnostic marker for it. * **D. Hyperglycemia:** This occurs due to transient endocrine dysfunction (decreased insulin release) during an attack, but it is a non-specific finding and is used more for prognostic scoring (e.g., Ranson’s Criteria [1]) rather than diagnosis. **High-Yield Clinical Pearls for NEET-PG:** * **Most Specific Marker:** Lipase. * **Earliest Marker:** Amylase (rises within 2–12 hours). * **Prognostic Indicators:** Hypocalcemia and C-Reactive Protein (CRP >150 mg/L at 48 hours) indicate severe necrotizing pancreatitis. * **Imaging:** CT is the gold standard for assessing complications (necrosis), but is usually not required if enzymes and clinical features are diagnostic [1].

Q: In a patient with compensated liver cirrhosis who presented with a history of variceal bleed, what is the treatment of choice?

Endoscopic sclerotherapy. **Explanation:** The management of esophageal varices in cirrhosis depends on whether the goal is prophylaxis or the treatment of an acute/recurrent bleed. [1] **Why Endoscopic Sclerotherapy is correct:** In a patient who has already presented with a history of variceal bleeding (secondary prophylaxis or acute management), endoscopic intervention is the gold standard. [2] **Endoscopic Sclerotherapy (EST)** involves injecting a sclerosing agent (e.g., ethanolamine oleate) into the vein to induce thrombosis and fibrosis. While Endoscopic Variceal Ligation (EVL) is often preferred today due to fewer complications, EST remains a classic correct answer in many standardized exams for the definitive management of bleeding varices. [2] **Why the other options are incorrect:** * **Propranolol:** This is a non-selective beta-blocker used for **primary prophylaxis** (preventing the first bleed) or as an adjunct in secondary prophylaxis. It is not the "treatment of choice" for a patient who has already bled and requires definitive intervention. * **Liver Transplantation:** This is the definitive treatment for end-stage liver disease (decompensated cirrhosis), but it is not the immediate treatment of choice for managing variceal bleeding in a **compensated** patient. [1] * **TIPS:** This is a salvage procedure used when endoscopic and pharmacological treatments fail. [1] It is not the first-line treatment due to the risk of hepatic encephalopathy. [3] **High-Yield Facts for NEET-PG:** * **Drug of choice for acute variceal bleed:** Terlipressin (Somatostatin/Octreotide are alternatives). * **Primary Prophylaxis:** Propranolol or Nadolol. * **Best procedure for acute bleed:** Endoscopic Variceal Ligation (EVL) is generally superior to Sclerotherapy (EST) in modern practice. [2] * **Most common site of portosystemic anastomosis:** Lower end of the esophagus (Left gastric vein with Azygos vein).

Q: What is the main clinical significance of a sliding type hiatus hernia?

Propensity for GERD. **Explanation:** **1. Why Option A is Correct:** A sliding hiatus hernia (Type I) occurs when the gastroesophageal junction (GEJ) and a portion of the gastric cardia displace cranially through the esophageal hiatus into the posterior mediastinum [1]. This displacement disrupts the **anti-reflux barrier** by: * Abolishing the acute **Angle of His**. * Displacing the Lower Esophageal Sphincter (LES) from the high-pressure zone of the diaphragmatic crura. * Creating a "reservoir" for acid that refluxes easily during inspiration. Consequently, the most significant clinical association is **Gastroesophageal Reflux Disease (GERD)** [1]. **2. Why the Other Options are Incorrect:** * **Option B:** While chronic GERD is a risk factor for Barrett’s esophagus, most patients with a sliding hernia have uncomplicated GERD. Barrett’s is a long-term complication, not the primary clinical significance of the hernia itself. * **Option C:** Dieulafoy’s lesion (a large tortuous submucosal artery) is typically found in the gastric fundus and is not specifically associated with hiatus hernia. However, **Cameron ulcers** (linear erosions) are associated with large hiatus hernias. * **Option D:** Dysphagia is more characteristic of **Paraesophageal hernias (Type II, III, IV)** due to mechanical compression or volvulus [1]. Sliding hernias are usually asymptomatic or present with heartburn. **Clinical Pearls for NEET-PG:** * **Most Common Type:** Sliding hernia (Type I) accounts for >90% of all hiatus hernias. * **Schatzki Ring:** Often associated with sliding hiatus hernias (located at the squamocolumnar junction). * **Saint’s Triad:** Hiatus hernia + Cholelithiasis + Diverticulosis. * **Management:** Asymptomatic sliding hernias require no treatment; symptomatic cases are managed as GERD [1]. Surgical repair (Nissen Fundoplication) is reserved for refractory cases.

Q: Which of the following is a diagnosis?

Klatskin tumor. **Explanation:** The correct answer is **A. Klatskin tumor**. In medical nomenclature, a **Klatskin tumor** is a specific clinical diagnosis referring to a **Hilar Cholangiocarcinoma** [1]. It is a tumor arising from the biliary epithelium at the confluence of the right and left hepatic ducts [1]. It typically presents with painless obstructive jaundice and characteristic imaging findings (dilated intrahepatic ducts with a normal extrahepatic biliary tree). **Analysis of Options:** * **B. Carolicyts:** This is a distractor. The correct clinical entity is **Caroli’s Disease** (a congenital disorder characterized by multifocal cystic dilatation of segmental intrahepatic bile ducts). "Carolicyts" is not a recognized medical term. * **C. Bryler disease:** This is a misspelling of **Byler Disease** (Progressive Familial Intrahepatic Cholestasis Type 1). While Byler disease is a diagnosis, the option provided is technically incorrect due to the spelling error, making Klatskin tumor the more accurate choice in a standard examination format. * **D. Primary sclerosing cholangitis:** While this is a valid diagnosis [2], in the context of this specific question (often sourced from classic MCQ banks), Klatskin tumor is the preferred answer as it represents a specific, localized neoplastic diagnosis. **High-Yield Pearls for NEET-PG:** * **Bismuth-Corlette Classification:** Used to stage Klatskin tumors based on the extent of involvement of the hepatic duct confluence. * **Risk Factors:** Primary Sclerosing Cholangitis (PSC) is the most significant risk factor for developing cholangiocarcinoma. * **Tumor Marker:** **CA 19-9** is the most common marker used for monitoring, though it is not specific. * **Imaging:** MRCP is the gold standard for non-invasive diagnosis of biliary anatomy and obstruction levels.

Q: The MELD score includes all of the following except?

Serum albumin. **Explanation:** The **MELD (Model for End-Stage Liver Disease)** score is a validated scoring system used to predict the 3-month mortality in patients with chronic liver disease and is primarily used for prioritizing organ allocation for liver transplantation [1]. **Why Serum Albumin is the correct answer:** Serum albumin is **not** a component of the MELD score. While albumin is a marker of the liver's synthetic function and is included in the **Child-Pugh Score**, it was excluded from the MELD calculation because its levels can be easily influenced by external factors such as intravenous albumin infusion or nutritional status [2]. **Analysis of other options:** The original MELD score is calculated using a logarithmic formula involving three objective laboratory variables: * **Serum Bilirubin (Option A):** Reflects the liver's excretory function. * **Serum Creatinine (Option B):** Reflects renal function, which is a critical prognostic indicator in end-stage liver disease (e.g., Hepatorenal Syndrome) [1]. * **INR / Prothrombin Time (Option C):** Reflects the liver's synthetic function (specifically coagulation factors) [3]. Note: The formula specifically uses **INR**, which is derived from Prothrombin Time. **High-Yield Clinical Pearls for NEET-PG:** 1. **MELD-Na:** The modern version of the score now includes **Serum Sodium**, as hyponatremia is a strong independent predictor of mortality in cirrhotic patients. 2. **MELD vs. Child-Pugh:** Remember the mnemonic **"ABCDE"** for Child-Pugh: **A**lbumin, **B**ilirubin, **C**oagulation (INR), **D**egree of Ascites, and **E**ncephalopathy. 3. **Range:** MELD scores range from **6 to 40**; a higher score indicates a higher risk of death. 4. **PELD Score:** Used for children under 12 years; it includes Albumin and Growth Failure instead of Creatinine.

Q: An 18-year-old male presents with massive hematemesis. He has a history of fever for the past 14 days, for which he was managed with drugs. Moderate splenomegaly is present. What is the most likely diagnosis?

Esophageal varices. ### Explanation The clinical presentation of massive hematemesis in an 18-year-old with a recent history of fever and moderate splenomegaly strongly suggests **Extrahepatic Portal Venous Obstruction (EHPVO)** leading to **Esophageal Varices** [1]. **Why Esophageal Varices is correct:** In the Indian subcontinent, EHPVO is a common cause of portal hypertension in children and young adults. The "fever for 14 days" likely indicates an infection (such as enteric fever or umbilical sepsis in neonatal history) that can trigger **portal vein thrombosis**. The presence of **moderate splenomegaly** is a hallmark of portal hypertension [3]. In these patients, liver function is usually preserved, but the high pressure in the portal system leads to the formation of large esophageal varices, which can rupture and cause life-threatening, massive hematemesis [2]. **Why other options are incorrect:** * **NSAID-induced duodenal ulcer & Drug-induced gastritis:** While these can cause hematemesis after drug intake (e.g., for fever), they **do not explain the splenomegaly**. Splenomegaly is a specific sign of portal hypertension or hematological disorders, not simple peptic ulcer disease or gastritis [3]. Furthermore, bleeding from gastritis is usually "coffee-ground" or minor, rather than "massive." **High-Yield Clinical Pearls for NEET-PG:** * **EHPVO:** Most common cause of massive upper GI bleed in children/young adults in India. * **Key Triad:** Massive hematemesis + Splenomegaly + Normal Liver Function Tests (LFTs) [3]. * **Investigation of Choice:** Color Doppler Ultrasound of the portal system (shows "cavernoma" formation). * **Management:** Endoscopic Variceal Ligation (EVL) is the acute treatment; Proximal Splenorenal Shunt (PSRS) is the definitive surgical treatment.

Question 1

Routine second look endoscopy in the setting of non-variceal upper GI bleeding is recommended in patients with which of the following characteristics?

Accepted Answer

Lesion treated with epinephrine injection alone

Answer

Rockall score of 2

Answer

Cardiac disease

Answer

Renal disease

Question 2

What is the definitive diagnostic marker for acute pancreatitis?

Accepted Answer

Lipase

Answer

Serum alkaline phosphatase

Answer

Increased serum calcium

Answer

Hyperglycemia

Question 3

In a patient with compensated liver cirrhosis who presented with a history of variceal bleed, what is the treatment of choice?

Accepted Answer

Endoscopic sclerotherapy

Answer

Propranolol

Answer

Liver transplantation

Answer

TIPS (Transjugular intrahepatic portosystemic shunt)

Question 4

What is the main clinical significance of a sliding type hiatus hernia?

Accepted Answer

Propensity for GERD

Answer

High risk of Barrett's esophagus

Answer

High chance for Dieulafoy's lesion

Answer

Dysphagia is common

Question 5

A 20-year-old male presents with repeated episodes of hematemesis. There is no history of jaundice or liver decompensation. On examination, significant findings include splenomegaly (8 cm below the costal margin) and the presence of esophageal varices. There is no ascites or peptic ulceration. The liver function tests are normal. What is the most likely diagnosis?

Accepted Answer

Non-cirrhotic portal fibrosis

Answer

Extrahepatic portal venous obstruction

Answer

Cirrhosis

Answer

Hepatic venous outflow tract obstruction

Question 6

A 14-year-old boy presents with difficulty in walking and behavioral disturbances. He recently recovered from prolonged jaundice and has bluish pigmentation over his lunulae. What is the next most appropriate investigation?

Accepted Answer

Slit lamp examination

Answer

Nail fold capillaroscopy

Answer

Biopsy of the pigmented area

Answer

Ankle-brachial pressure index

Question 7

Which of the following is a diagnosis?

Accepted Answer

Klatskin tumor

Answer

Carolicyts

Answer

Bryler disease

Answer

Primary sclerosing cholangitis

Question 8

The MELD score includes all of the following except?

Accepted Answer

Serum albumin

Answer

Serum bilirubin

Answer

Serum creatinine

Answer

Prothrombin time

Question 9

An 18-year-old male presents with massive hematemesis. He has a history of fever for the past 14 days, for which he was managed with drugs. Moderate splenomegaly is present. What is the most likely diagnosis?

Accepted Answer

Esophageal varices

Answer

NSAID-induced duodenal ulcer

Answer

Drug-induced gastritis

Answer

None of the above

Question 10

A patient presents with arthritis, hyperpigmentation of skin, and hypogonadism. What is the likely diagnosis?

Accepted Answer

Hemochromatosis

Answer

Ectopic ACTH secreting tumor of the lung

Answer

Wilson's disease

Answer

Rheumatoid arthritis

Gastroenterology — MCQs

Gastroenterology — MCQs

On this page

Practice by Chapter

Want unlimited practice?