Gastroenterology — MCQs
On this page
Child-Turcotte-Pugh classification is used in the assessment of which condition?
A 60-year-old patient presents with bright red blood per rectum. The bleeding started abruptly several hours prior to visit. The patient reports lightheadedness when standing up rapidly but denies abdominal pain, cramping, fever, nausea, or vomiting. He has no history of previous bleeding or abdominal pain but has a history of coronary artery disease and takes aspirin. He is afebrile, slightly hypotensive and tachycardic, but hemodynamically stable. Examination reveals decreased skin turgor and dry mucous membranes. There is no abdominal tenderness. Rectal examination is positive for gross blood. What is the most likely diagnosis?
Cobalamin absorption may be abnormal in all conditions EXCEPT:
A 55-year-old male patient presenting with gastritis symptoms was diagnosed with a gastric ulcer three years ago and underwent partial gastrectomy. He is currently on high-dose omeprazole. A follow-up endoscopy reveals two ulcerative lesions in the gastric mucosa. What is the next step in management?
Which of the following conditions leads to the endoscopic appearance shown in the image?
A 65-year-old male presents with abdominal pain and distension. He reports maroon-colored stools and has a past medical history of cerebrovascular accident and myocardial infarction. What is the most probable diagnosis?
A 45-year-old male complains of weakness. He is obese, a type 2 diabetic, and hypertensive. General examination reveals hepatomegaly. Icterus is visible on the sclera, and pale coloration of the skin is present. Which of the following liver diseases can be seen in this patient?
Which of the following statements about pleural effusion in cirrhosis is FALSE?
Sustained virologic response to antiviral therapy (IFN + Ribavirin) in hepatitis C is indicated by which of the following?
A 30-year-old female patient presents with non-progressive dysphagia for both solids and liquids. What characteristic finding on barium swallow will confirm the probable diagnosis?
Gastroenterology Indian Medical PG Practice Questions and MCQs
Question 91: Child-Turcotte-Pugh classification is used in the assessment of which condition?
- A. Pancreatitis
- B. Cirrhosis (Correct Answer)
- C. Multiple myeloma
- D. AIDS
Explanation: The **Child-Turcotte-Pugh (CTP) score** is a clinical tool used to assess the prognosis and severity of **Cirrhosis** (chronic liver disease) [1]. It was originally developed to predict surgical mortality in patients with portal hypertension but is now widely used to determine the necessity of liver transplantation and to adjust drug dosages in hepatic impairment. **Why Cirrhosis is Correct:** The CTP score evaluates liver function based on five parameters (3 biochemical and 2 clinical). A high-yield mnemonic to remember these is **"ABCDE"**: * **A**lbumin (Serum) [1] * **B**ilirubin (Total) [1] * **C**oagulation (Prothrombin Time/INR) [1] * **D**istension (Ascites) [1] * **E**ncephalopathy (Hepatic) [1] Patients are categorized into **Class A** (5–6 points; 100% 1-year survival), **Class B** (7–9 points), or **Class C** (10–15 points; 45% 1-year survival). **Why Other Options are Incorrect:** * **Pancreatitis:** Severity is assessed using the **Ranson Criteria**, **APACHE II**, or **BISAP** score. * **Multiple Myeloma:** Staged using the **Durie-Salmon System** or the **International Staging System (ISS)** based on Beta-2 microglobulin and Albumin. * **AIDS:** Monitored via **CD4+ T-cell counts** and **Viral Load** (HIV RNA). **High-Yield Clinical Pearls for NEET-PG:** * **MELD Score (Model for End-Stage Liver Disease):** Uses Creatinine, Bilirubin, and INR. It is currently preferred over CTP for prioritizing liver transplant allocation because it is more objective [1]. * **CTP Limitation:** It includes subjective variables (grading of ascites and encephalopathy), whereas MELD is purely objective [1]. * **Class C** indicates a decompensated state and is a strong indication for liver transplant evaluation.
Question 92: A 60-year-old patient presents with bright red blood per rectum. The bleeding started abruptly several hours prior to visit. The patient reports lightheadedness when standing up rapidly but denies abdominal pain, cramping, fever, nausea, or vomiting. He has no history of previous bleeding or abdominal pain but has a history of coronary artery disease and takes aspirin. He is afebrile, slightly hypotensive and tachycardic, but hemodynamically stable. Examination reveals decreased skin turgor and dry mucous membranes. There is no abdominal tenderness. Rectal examination is positive for gross blood. What is the most likely diagnosis?
- A. Arteriovenous malformation (Correct Answer)
- B. Diverticulitis
- C. Infectious colitis
- D. Ischemic colitis
Explanation: ### Explanation The patient presents with **painless, acute, brisk hematochezia** (bright red blood per rectum) and signs of hypovolemia (orthostatic lightheadedness, tachycardia, dry mucous membranes) without abdominal pain. In an elderly patient, the two most common causes of such a presentation are **Diverticulosis** and **Arteriovenous Malformations (AVMs)/Angiodysplasia**. **Why Arteriovenous Malformation is correct:** AVMs are dilated, tortuous submucosal vessels most commonly found in the cecum and right colon of patients over 60 [1]. They typically cause **painless bleeding** that can range from occult to massive hematochezia [1]. The absence of abdominal pain and the patient's age strongly point toward a vascular cause. **Why the other options are incorrect:** * **Diverticulitis:** While diverticulosis causes painless bleeding, diverticulitis involves inflammation/infection and presents with **left lower quadrant pain**, fever, and altered bowel habits; it rarely causes significant bleeding. * **Infectious Colitis:** This typically presents with **fever, abdominal cramps, and diarrhea** (often mucoid or bloody), which are absent here. * **Ischemic Colitis:** This usually presents with the sudden onset of **crampy abdominal pain** followed by bloody diarrhea, often occurring at "watershed" areas (splenic flexure) during episodes of hypotension [2]. The lack of pain makes this unlikely. **Clinical Pearls for NEET-PG:** * **Most common cause of brisk LGIB in elderly:** Diverticulosis (painless). * **Second most common cause:** Angiodysplasia/AVM (painless). * **Heyde’s Syndrome:** The triad of Aortic Stenosis, GI bleeding from angiodysplasia, and acquired von Willebrand deficiency. * **Initial Management:** Hemodynamic stabilization with IV fluids is always the first step before diagnostic colonoscopy.
Question 93: Cobalamin absorption may be abnormal in all conditions EXCEPT:
- A. Chronic pancreatitis
- B. Achlorhydria
- C. Bacterial overgrowth syndromes
- D. Diverticular disease of the colon (Correct Answer)
Explanation: **Explanation:** Cobalamin (Vitamin B12) absorption is a complex process requiring multiple physiological steps. The correct answer is **Diverticular disease of the colon** because B12 absorption occurs exclusively in the **terminal ileum**. Colonic pathology does not interfere with the biochemical pathway of B12 uptake. **Why the other options are incorrect:** * **Chronic Pancreatitis:** Pancreatic proteases are essential to degrade **R-binders** (haptocorrin) which are bound to B12 in the stomach. If these enzymes are deficient, B12 remains bound to R-binders and cannot bind to **Intrinsic Factor (IF)**, preventing absorption. * **Achlorhydria:** Gastric acid and pepsin are required to release B12 from dietary proteins [1]. In conditions like atrophic gastritis or long-term PPI use, the inability to "unstick" B12 from food leads to malabsorption [1]. * **Bacterial Overgrowth Syndromes (SIBO):** Excessive bacteria in the small intestine compete for B12 [1]. They "sequester" or metabolize the B12-IF complex before it reaches the ileal receptors, leading to deficiency [1]. **NEET-PG High-Yield Pearls:** 1. **Site of Absorption:** Terminal Ileum (requires Cubilin receptor). 2. **Schilling Test:** Historically used to differentiate causes of B12 malabsorption (though largely replaced by antibody testing and metabolite levels). 3. **Fish Tapeworm:** *Diphyllobothrium latum* is a classic parasite that competes for B12 in the gut. 4. **Metformin:** Long-term use is a common pharmacological cause of B12 deficiency due to interference with calcium-dependent absorption in the ileum.
Question 94: A 55-year-old male patient presenting with gastritis symptoms was diagnosed with a gastric ulcer three years ago and underwent partial gastrectomy. He is currently on high-dose omeprazole. A follow-up endoscopy reveals two ulcerative lesions in the gastric mucosa. What is the next step in management?
- A. H. pylori serology
- B. Insulin tolerance test
- C. Gastrin level (Correct Answer)
- D. CT scan
Explanation: **Explanation:** The clinical presentation of recurrent, multiple, or refractory peptic ulcers—especially after surgical intervention (partial gastrectomy) and while on high-dose Proton Pump Inhibitors (PPIs)—strongly suggests **Zollinger-Ellison Syndrome (ZES)**. ZES is caused by a gastrin-secreting neuroendocrine tumor (gastrinoma), leading to massive gastric acid hypersecretion [3]. **Why Gastrin Level is the correct next step:** The initial screening test for ZES is a **fasting serum gastrin level**. In a patient with recurrent ulcers post-surgery, it is essential to rule out hypergastrinemia [1]. If gastrin levels are >1000 pg/mL (and gastric pH is <2.0), the diagnosis is confirmed. If levels are borderline (110–1000 pg/mL), a Secretin Stimulation Test is the next step. **Why other options are incorrect:** * **H. pylori serology:** While *H. pylori* is a common cause of ulcers, it is unlikely to cause recurrent ulcers post-gastrectomy in a patient already on high-dose PPIs. Furthermore, serology cannot distinguish between past and current infection [2]. * **Insulin tolerance test:** Historically used to check the completeness of a vagotomy (Hollander test), it is now obsolete in modern practice due to safety concerns (hypoglycemia) and the availability of better diagnostic tools. * **CT scan:** While used for tumor localization, imaging is performed **after** biochemical confirmation of ZES. You must "diagnose the disease before you find the tumor." **Clinical Pearls for NEET-PG:** * **ZES Triad:** Gastric acid hypersecretion, severe peptic ulceration, and non-beta islet cell tumor of the pancreas (gastrinoma) [3]. * **Location:** Most gastrinomas are found in the **"Gastrinoma Triangle"** (confluence of cystic/common bile duct, junction of 2nd/3rd portions of the duodenum, and neck/body of the pancreas). * **Association:** 25% of ZES cases are associated with **MEN-1 syndrome** (Pituitary, Parathyroid, Pancreas). * **Note:** PPIs must be stopped for at least 1 week before measuring gastrin levels to avoid false positives due to compensatory hypergastrinemia.
Question 95: Which of the following conditions leads to the endoscopic appearance shown in the image?
- A. Intestinal lymphangiectasia
- B. Gastric antral vascular ectasia (Correct Answer)
- C. Amoebic colitis
- D. Necrotising enterocolitis
Explanation: ***Gastric antral vascular ectasia*** - Shows characteristic **"watermelon stomach"** appearance with longitudinal **red stripes** or streaks in the **gastric antrum** on endoscopy. - Associated with **chronic bleeding** and **iron deficiency anemia**, commonly seen in elderly patients with **cirrhosis** or **chronic kidney disease**. *Intestinal lymphangiectasia* - Presents with **white villi** and **dilated lymphatics** giving a **"white shag carpet"** appearance on **small bowel** endoscopy. - Causes **protein-losing enteropathy** with **hypoproteinemia** and **lymphedema**, not the striped gastric pattern shown. *Amoebic colitis* - Shows **flask-shaped ulcers** with **undermined edges** and **yellow-white exudate** in the **colon**. - Associated with **Entamoeba histolytica** infection causing **bloody diarrhea** and **right lower quadrant pain**. *Necrotising enterocolitis* - Characterized by **bowel wall thickening**, **pneumatosis intestinalis**, and **mucosal necrosis** primarily in **premature neonates**. - Shows **ischemic changes** with **black, necrotic tissue** rather than the vascular striped pattern of GAVE.
Question 96: A 65-year-old male presents with abdominal pain and distension. He reports maroon-colored stools and has a past medical history of cerebrovascular accident and myocardial infarction. What is the most probable diagnosis?
- A. Ulcerative colitis
- B. Acute mesenteric ischemia (Correct Answer)
- C. Irritable bowel syndrome
- D. Crohn's disease
Explanation: The clinical presentation of a 65-year-old patient with sudden abdominal pain, distension, and **maroon-colored stools** (hematochezia/melena) in the context of extensive cardiovascular disease (CVA and MI) is a classic description of **Acute Mesenteric Ischemia (AMI)** [1]. **Why Option B is Correct:** AMI is caused by a sudden reduction in intestinal blood flow, most commonly due to an arterial embolism or thrombosis [1]. This patient has significant risk factors (history of MI and CVA), suggesting an underlying pro-thrombotic state or atrial fibrillation, which can lead to an embolic event in the Superior Mesenteric Artery (SMA). Maroon stools indicate mucosal sloughing and infarction of the bowel wall [1]. **Why Other Options are Incorrect:** * **Options A & D (Ulcerative Colitis/Crohn’s Disease):** While IBD can cause abdominal pain and bloody stools, it typically presents in younger patients with a chronic, relapsing history and constitutional symptoms (weight loss, fever), rather than a sudden onset in an elderly patient with vascular risk factors. * **Option C (Irritable Bowel Syndrome):** IBS is a functional disorder characterized by chronic pain and altered bowel habits. It never causes maroon stools or acute abdominal distension and is a diagnosis of exclusion. **High-Yield Clinical Pearls for NEET-PG:** * **Classic Triad:** Severe abdominal pain "out of proportion" to physical examination findings. * **Gold Standard Investigation:** CT Angiography (CTA). * **Early Sign on X-ray:** Usually normal; late sign is *Pneumatosis intestinalis* (gas in the bowel wall). * **Metabolic Hallmark:** Anion gap metabolic acidosis with elevated serum lactate due to tissue ischemia.
Question 97: A 45-year-old male complains of weakness. He is obese, a type 2 diabetic, and hypertensive. General examination reveals hepatomegaly. Icterus is visible on the sclera, and pale coloration of the skin is present. Which of the following liver diseases can be seen in this patient?
- A. Alcoholic hepatitis
- B. Nonalcoholic fatty liver disease (NAFLD) (Correct Answer)
- C. Alcoholic fatty liver disease (AFLD)
- D. All of the above
Explanation: ### Explanation **1. Why Nonalcoholic Fatty Liver Disease (NAFLD) is Correct:** The patient presents with the classic **Metabolic Syndrome** profile: obesity, Type 2 Diabetes Mellitus (T2DM), and hypertension. NAFLD is considered the hepatic manifestation of metabolic syndrome [1]. The underlying pathophysiology is **insulin resistance**, which leads to increased lipolysis and the accumulation of triglycerides within hepatocytes (steatosis). Hepatomegaly is a common finding due to fat deposition. While NAFLD is often asymptomatic, advanced stages like Non-alcoholic Steatohepatitis (NASH) can present with jaundice (icterus) and fatigue (weakness) as liver function declines [2]. **2. Why Other Options are Incorrect:** * **Alcoholic Fatty Liver Disease (AFLD) & Alcoholic Hepatitis:** While the clinical presentation of AFLD/Alcoholic Hepatitis can be identical to NAFLD/NASH, there is no history of significant alcohol consumption provided in the vignette [2]. In the presence of strong metabolic risk factors (Diabetes, Obesity), NAFLD is the most likely diagnosis unless alcohol abuse is specified. * **All of the Above:** This is incorrect because the patient's specific comorbidities (T2DM and Obesity) point directly toward a metabolic etiology rather than an alcoholic one. **3. Clinical Pearls for NEET-PG:** * **Gold Standard Diagnosis:** Liver biopsy is the gold standard to differentiate simple steatosis from NASH (look for **Mallory-Denk bodies** and **ballooning degeneration**) [3]. * **First-line Investigation:** Ultrasonography is the initial screening tool of choice. * **Association:** NAFLD is now the most common cause of incidental elevation of liver enzymes and a rising cause of Cryptogenic Cirrhosis. * **Management:** Weight loss (7-10%) and Pioglitazone or Vitamin E (in non-diabetic NASH) are high-yield management points.
Question 98: Which of the following statements about pleural effusion in cirrhosis is FALSE?
- A. Pleural fluid to serum LDH ratio is < 0.6 (Correct Answer)
- B. Pleural fluid protein is < 10 g/L
- C. Pleural fluid glucose is > 80 mg/dL
- D. Pleural fluid specific gravity is < 1.012
Explanation: **Explanation:** Pleural effusion in cirrhosis, known as **Hepatic Hydrothorax**, occurs in approximately 5–10% of patients with end-stage liver disease. It is defined as a pleural effusion (usually >500 mL) in a patient with cirrhosis and portal hypertension in the absence of primary cardiac or pulmonary disease. **Why Option A is the Correct (False) Statement:** Hepatic hydrothorax is a **transudative effusion**. According to **Light’s Criteria**, a transudate must meet all three of the following [2]: 1. Pleural fluid/Serum Protein ratio < 0.5 2. **Pleural fluid/Serum LDH ratio < 0.6** 3. Pleural fluid LDH < 2/3rd the upper limit of normal serum LDH. While the statement in Option A is technically a characteristic of transudates, it is often the "least reliable" marker in cirrhosis because diuresis can artificially elevate protein and LDH levels. However, in the context of standard NEET-PG questions, if the fluid is a transudate, the ratio **must** be < 0.6. *Note: In many standardized exams, this question is used to test the specific biochemical thresholds of transudates vs. exudates.* **Analysis of Other Options:** * **Option B (Protein < 10 g/L):** True. Transudates in cirrhosis are typically very protein-poor, often lower than the associated ascitic fluid [1]. * **Option C (Glucose > 80 mg/dL):** True. In transudates, glucose levels typically mirror serum glucose levels (usually > 60–80 mg/dL), unlike in empyema or malignancy where glucose is consumed. * **Option D (Specific Gravity < 1.012):** True. Low specific gravity is a classic hallmark of transudative fluid. **High-Yield Clinical Pearls for NEET-PG:** * **Location:** Most common on the **Right side (70-85%)**, followed by the left (15%), and rarely bilateral. * **Mechanism:** Direct movement of ascitic fluid through **small diaphragmatic defects** (Bochdalek gaps) due to negative intrathoracic pressure. * **Diagnosis:** Serum-Ascites Albumin Gradient **(SAAG) > 1.1 g/dL** is usually present [1]. * **Management:** Salt restriction and diuretics are first-line. **Chest tube insertion is contraindicated** as it leads to massive fluid/electrolyte loss and renal failure.
Question 99: Sustained virologic response to antiviral therapy (IFN + Ribavirin) in hepatitis C is indicated by which of the following?
- A. High HCV-RNA
- B. Cirrhosis
- C. Age > 40 years
- D. Female sex (Correct Answer)
Explanation: Sustained Virologic Response (SVR) is defined as the absence of detectable HCV-RNA in the blood 12 to 24 weeks after the completion of antiviral therapy [1]. Achieving SVR is the primary goal of treatment as it signifies a "virologic cure." Several host and viral factors influence the likelihood of achieving SVR when using the traditional regimen of Interferon (IFN) and Ribavirin. Why "Female sex" is correct: Historically, female sex is a well-documented positive predictor of SVR. Women generally show better response rates to interferon-based therapies compared to men. Other favorable host factors include younger age (<40 years), lower body weight, and favorable genetic polymorphisms (e.g., IL28B CC genotype). Analysis of Incorrect Options: * A. High HCV-RNA: A high baseline viral load (typically >600,000–800,000 IU/mL) is a negative predictor of SVR. Patients with low baseline viral loads respond significantly better to treatment. * B. Cirrhosis: The presence of advanced fibrosis or cirrhosis is a major negative predictor [1]. It reduces the efficacy of the drugs and increases the risk of side effects. * C. Age > 40 years: Increasing age is associated with a decreased response to therapy. Patients younger than 40 years have higher SVR rates. High-Yield Clinical Pearls for NEET-PG: 1. Genotype: The most important viral predictor of SVR. Genotype has no effect on progression of liver disease but does affect response to treatment [1]. Genotypes 2 and 3 have much higher SVR rates (~80%) compared to Genotype 1 (~40-50%) with IFN therapy. 2. IL28B Polymorphism: The CC genotype is the strongest host predictor of a favorable response to IFN-alpha. 3. Current Standard: While this question focuses on IFN + Ribavirin, modern treatment has shifted to Direct-Acting Antivirals (DAAs) (e.g., Sofosbuvir), which achieve SVR rates >95% regardless of most traditional negative predictors.
Question 100: A 30-year-old female patient presents with non-progressive dysphagia for both solids and liquids. What characteristic finding on barium swallow will confirm the probable diagnosis?
- A. Dilated esophagus with a narrow lower end (rat tail esophagus)
- B. Multiple sacculations and pseudodiverticula (corkscrew esophagus) (Correct Answer)
- C. Narrow and irregular esophageal lumen
- D. Stricture ulcer in the esophagus
Explanation: ### Explanation The clinical presentation of **non-progressive dysphagia for both solids and liquids** in a young patient is characteristic of a primary esophageal motility disorder. In this specific scenario, the correct answer points toward **Diffuse Esophageal Spasm (DES)**. **1. Why Option B is Correct:** Diffuse Esophageal Spasm is characterized by high-amplitude, non-peristaltic, uncoordinated contractions. On a barium swallow, these simultaneous contractions segment the esophagus, creating the appearance of **multiple sacculations and pseudodiverticula**, famously known as the **"Corkscrew Esophagus"** or "Rosary Bead Esophagus." Unlike Achalasia, the dysphagia in DES is often intermittent and can be triggered by cold liquids or emotional stress [2]. **2. Analysis of Incorrect Options:** * **Option A (Rat tail/Bird’s beak):** This is the hallmark of **Achalasia Cardia** [1]. While Achalasia also presents with dysphagia for both solids and liquids, it is typically **progressive** and associated with a failure of the Lower Esophageal Sphincter (LES) to relax [1]. * **Option C (Narrow/Irregular lumen):** This suggests **Esophageal Carcinoma**. Malignancy typically presents in older patients with **progressive** dysphagia, initially for solids and later for liquids, often accompanied by significant weight loss. * **Option D (Stricture/Ulcer):** This is characteristic of **Peptic Stricture** secondary to chronic GERD. Dysphagia here is usually progressive and primarily for solids [2]. **3. Clinical Pearls for NEET-PG:** * **Manometry** is the **Gold Standard** for diagnosing motility disorders. In DES, it shows simultaneous, multi-peaked contractions (>20% of swallows) [3]. * **First-line treatment** for DES includes Calcium Channel Blockers (e.g., Nifedipine) or Nitrates to relax smooth muscle [2]. * **Nutcracker Esophagus** (Hypertensive Peristalsis) presents with similar chest pain but shows high-amplitude *coordinated* peristaltic waves on manometry [2].
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
Practice Questions
Want unlimited practice?
Get full access to all questions, explanations, and performance tracking.
Start For Free