Gastroenterology Practice Questions

Q: Which one of the following clinical features suggests alcoholism as a cause of liver cirrhosis?

Spider angioma. While many clinical features of cirrhosis are common across all etiologies, certain signs point more strongly toward an alcoholic origin [1]. **Why Spider Angioma is the Correct Answer:** Spider angiomas (spider telangiectasias) are vascular lesions consisting of a central arteriole with radiating capillaries. While they occur in various forms of cirrhosis due to hyperestrogenism, they are **significantly more frequent and prominent in alcoholic liver disease** [1]. Their presence in large numbers (usually >5) on the face, neck, and upper chest is a strong clinical indicator of alcohol-induced damage. They often regress with alcohol abstinence, making them a dynamic marker of alcoholic liver injury. **Analysis of Incorrect Options:** * **Ascites (B):** This is a non-specific sign of portal hypertension and hypoalbuminemia [1]. It occurs in the decompensated stage of cirrhosis regardless of the cause (e.g., Hepatitis B, C, or NASH). * **Absence of ankle jerk (C):** While alcoholics may have peripheral neuropathy leading to loss of ankle jerks, this is a feature of **chronic alcoholism** itself, not a specific clinical feature of the **liver cirrhosis** process. * **Gynaecomastia (D):** This results from the failure of the liver to metabolize estrogen and increased peripheral conversion of androgens. Like ascites, it is a general feature of hepatic failure seen in various types of cirrhosis [1]. **NEET-PG High-Yield Pearls:** * **Specific signs of Alcoholic Cirrhosis:** Parotid gland enlargement, Dupuytren’s contracture, and spider angiomata. * **AST:ALT Ratio:** A ratio **>2:1** is highly suggestive of alcoholic liver disease (due to pyridoxal phosphate deficiency inhibiting ALT). * **Zieve’s Syndrome:** A triad of hemolytic anemia, hyperlipidemia, and jaundice seen in alcoholic hepatitis. * **First sign of Cirrhosis:** Often thrombocytopenia (due to congestive splenomegaly).

Q: A 38-year-old homeless male develops sudden onset hematemesis following a bout of severe vomiting and retching. He had no complaints prior to the onset of his symptoms. On examination, he is pale and looks anxious. The vital signs are normal. Laboratory investigations show normal liver function tests, a low Hb and high MCV, and a chest X-ray is normal. What would be the likely endoscopic appearance of the problem described?

Linear tear in the gastroesophageal junction. ### Explanation The clinical presentation describes a classic case of **Mallory-Weiss Syndrome (MWS)**. **1. Why the Correct Answer is Right:** The hallmark of Mallory-Weiss Syndrome is **hematemesis following a bout of forceful vomiting or retching**. The sudden increase in intra-abdominal pressure causes a **longitudinal (linear) mucosal tear** at the **gastroesophageal junction** or the gastric cardia. * **Patient Profile:** Often seen in patients with alcohol use disorder (suggested here by "homeless," "high MCV" indicating macrocytosis/chronic alcohol intake, and "normal LFTs" which can occur in early or binge-drinking stages). * **Clinical Stability:** Most cases are self-limiting, explaining why the patient’s vitals remain normal despite being pale. **2. Why the Other Options are Wrong:** * **Option A (Dilated veins):** Refers to **Esophageal Varices**. While common in alcoholics, varices usually present with painless, massive hematemesis and signs of portal hypertension (e.g., abnormal LFTs, splenomegaly), which are absent here. * **Option B (Growth):** Refers to **Esophageal Carcinoma**. This would typically present with progressive dysphagia and weight loss rather than sudden hematemesis after retching [1]. * **Option D (Whitish plaques):** Refers to **Esophageal Candidiasis**. This presents with odynophagia (painful swallowing) in immunocompromised states, not acute hematemesis [1]. **3. NEET-PG High-Yield Pearls:** * **Mallory-Weiss vs. Boerhaave:** MWS is a *mucosal* tear (bleeding); Boerhaave Syndrome is a *transmural* rupture (sepsis, pneumomediastinum, and abnormal CXR). * **Diagnosis:** Upper GI Endoscopy is the gold standard [1]. * **Management:** Most (80-90%) stop bleeding spontaneously [1]. Active bleeding is managed with endoscopic clipping or epinephrine injection. * **Location:** Most commonly located just below the GE junction on the gastric side.

Q: Celiac disease is associated with which of the following conditions?

Dermatitis herpetiformis. **Explanation:** Celiac disease (Gluten-sensitive enteropathy) is an immune-mediated inflammatory disorder of the small intestine triggered by the ingestion of gluten [1]. **Why Dermatitis Herpetiformis (DH) is the correct answer:** Dermatitis herpetiformis is considered the **cutaneous manifestation of Celiac disease**. It is characterized by intensely pruritic, symmetric, papulovesicular eruptions typically found on the extensor surfaces (elbows, knees, buttocks). The underlying pathophysiology involves **IgA deposits** in the dermal papillae. Nearly 100% of patients with DH have underlying gluten-sensitive enteropathy, though they may be asymptomatic gastrointestinally. **Analysis of other options:** * **Type 1 Diabetes Mellitus (T1DM):** While T1DM is strongly associated with Celiac disease (both share the **HLA-DQ2/DQ8** genotype), it is considered a comorbid autoimmune condition rather than a direct manifestation or the most pathognomonic association in the context of classic board questions [1]. * **Lymphoma:** Celiac disease significantly increases the risk of **Enteropathy-associated T-cell lymphoma (EATL)**, especially in refractory cases. However, it is a complication rather than a primary associated condition like DH. * **Atrophic Gastritis:** This is typically associated with Pernicious Anemia (Type A gastritis) or *H. pylori* infection, not Celiac disease. **High-Yield Clinical Pearls for NEET-PG:** * **Genetics:** Strong association with **HLA-DQ2** (95%) and **HLA-DQ8** [1]. * **Serology:** **Anti-tissue Transglutaminase (anti-tTG) IgA** is the best screening test; **Anti-Endomysial antibody (EMA)** is the most specific [1]. * **Biopsy Gold Standard:** Shows villous atrophy, crypt hyperplasia, and increased intraepithelial lymphocytes (Marsh Classification) [1]. * **Treatment:** Lifelong gluten-free diet (GFD). Dapsone is used for symptomatic relief of DH, but GFD is the definitive treatment [1].

Q: Which of the following is NOT a cause of secondary achalasia?

Kala azar. **Explanation:** Achalasia cardia is characterized by the failure of the lower esophageal sphincter (LES) to relax and the absence of esophageal peristalsis [1]. While primary achalasia is idiopathic, **secondary achalasia (Pseudoachalasia)** occurs when an extrinsic process or systemic disease mimics the clinical and manometric features of the primary disorder [2]. **Why Kala-azar is the correct answer:** **Kala-azar (Visceral Leishmaniasis)** is caused by *Leishmania donovani* [3]. It primarily affects the reticuloendothelial system (spleen, liver, bone marrow) [3]. It does **not** involve the destruction of the myenteric (Auerbach’s) plexus of the esophagus and, therefore, is not a cause of achalasia. **Analysis of Incorrect Options:** * **Chagas Disease:** Caused by *Trypanosoma cruzi*, this is a classic cause of secondary achalasia. The parasite directly destroys the inhibitory neurons in the myenteric plexus, leading to "megaesophagus." * **Allgrove’s Syndrome (Triple A Syndrome):** A rare genetic condition characterized by **A**chalasia, **A**lacrimia (absence of tears), and **A**CTH-resistant adrenal insufficiency. * **Multiple Endocrine Neoplasia (MEN 2B):** This syndrome is associated with mucosal neuromas and ganglioneuromatosis of the gastrointestinal tract, which can disrupt normal esophageal motility and lead to secondary achalasia. **NEET-PG High-Yield Pearls:** 1. **Most common cause of pseudoachalasia worldwide:** Gastric carcinoma (via direct infiltration of the LES or paraneoplastic effect). 2. **Gold Standard Investigation:** Esophageal Manometry (shows incomplete LES relaxation and aperistalsis) [1]. 3. **Barium Swallow Finding:** "Bird’s beak" appearance or "Rat-tail" appearance. 4. **Heller’s Myotomy:** The surgical treatment of choice, usually performed with a partial fundoplication to prevent GERD.

Q: Portal hypertension is a complication of cirrhosis of the liver in all of the following except?

Gilbert's syndrome. The correct answer is **Gilbert’s syndrome**. **1. Why Gilbert’s syndrome is the correct answer:** Gilbert’s syndrome is a benign, autosomal recessive (or dominant) condition characterized by a mild deficiency of the enzyme **UDP-glucuronosyltransferase (UGT1A1)** [1, 3]. This leads to isolated unconjugated hyperbilirubinemia. Crucially, Gilbert’s syndrome **does not cause inflammation, fibrosis, or cirrhosis** of the liver [1]. Since the liver architecture remains normal, there is no resistance to blood flow, and thus, portal hypertension does not occur. **2. Why the other options are incorrect:** * **Wilson’s Disease:** This is a disorder of copper metabolism. Chronic copper deposition in the liver leads to chronic hepatitis, which progresses to macronodular cirrhosis and subsequent portal hypertension [3]. * **Hemochromatosis:** This involves excessive iron deposition (hemosiderin) in hepatocytes. This "bronze" cirrhosis causes structural damage and fibrosis, leading to portal hypertension. * **Hepatitis C:** Chronic infection with the Hepatitis C virus (HCV) is one of the leading causes of post-necrotic cirrhosis worldwide. The resulting architectural distortion of the liver lobules is a classic cause of portal hypertension. **Clinical Pearls for NEET-PG:** * **Gilbert’s Syndrome Trigger:** Jaundice is typically precipitated by stress, fasting, or infection [1]. * **Definition of Portal Hypertension:** A hepatic venous pressure gradient (HVPG) **> 5 mmHg**. Clinical complications (varices, ascites) usually appear when HVPG **≥ 10-12 mmHg** [4]. * **Most Common Cause:** In India and globally, cirrhosis (sinusoidal obstruction) is the most common cause of portal hypertension. * **Rule of Thumb:** If a liver condition is "isolated hyperbilirubinemia" (Gilbert’s, Crigler-Najjar, Dubin-Johnson, Rotor), it generally does **not** cause cirrhosis or portal hypertension [2].

Q: How is Celiac sprue definitively diagnosed?

Unequivocal response to gluten restriction. **Explanation:** The definitive diagnosis of Celiac disease (Gluten-sensitive enteropathy) relies on the demonstration of clinical and histological improvement following the strict removal of gluten from the diet [1]. **1. Why the correct answer is right:** While serology (Anti-tTG, Anti-endomysial antibodies) and intestinal biopsy (showing villous atrophy, crypt hyperplasia, and increased intraepithelial lymphocytes) are essential diagnostic steps [1], the **"Gold Standard"** for confirmation is an **unequivocal clinical and histological response to a gluten-free diet (GFD)**. This confirms that gluten was indeed the causative agent of the enteropathy. **2. Why the other options are wrong:** * **A. CT scan:** Imaging is non-specific. While it may show dilated bowel loops or "moulage sign," it cannot diagnose microscopic mucosal changes or gluten sensitivity. * **C. Finding of an organism:** This would point toward **Tropical Sprue** or **Whipple’s Disease** (*Tropheryma whipplei*) [2], not Celiac sprue, which is an autoimmune-mediated response to gliadin [1]. * **D. Improvement on dapsone:** Dapsone is the treatment of choice for **Dermatitis Herpetiformis** (the skin manifestation of Celiac), but it does not treat the underlying intestinal malabsorption or define the diagnosis of the sprue itself. **NEET-PG High-Yield Pearls:** * **HLA Association:** Strongly linked to **HLA-DQ2** (95%) and **HLA-DQ8** [1]. * **Best Screening Test:** IgA Anti-tissue Transglutaminase (tTG) antibody. * **Biopsy Site:** Multiple biopsies from the **second part of the duodenum** or distal duodenum. * **Marsh Classification:** Used to grade the severity of histological changes. * **Associated Malignancy:** Increased risk of **Enteropathy-associated T-cell lymphoma (EATL)**.

Q: All of the following are hypomotility disorders of the esophagus except?

Nutcracker esophagus. **Explanation:** The core concept in esophageal motility disorders is distinguishing between **hypomotility** (decreased or absent contraction) and **hypermotility** (excessive or high-pressure contraction). **Why Nutcracker Esophagus is the Correct Answer:** Nutcracker esophagus (also known as Jackhammer esophagus or Hypertensive Peristalsis) is a **hypermotility disorder**. It is characterized by high-amplitude peristaltic contractions (typically >180 mmHg) that are coordinated but excessively forceful. Because it involves "over-activity" rather than "under-activity," it is not a hypomotility disorder. **Analysis of Incorrect Options (Hypomotility Disorders):** * **Achalasia Cardia:** Characterized by the absence of peristalsis (aperistalsis) in the distal esophagus and failure of the Lower Esophageal Sphincter (LES) to relax. The lack of contraction makes it a classic hypomotility state. * **Scleroderma (Systemic Sclerosis):** Leads to smooth muscle atrophy and fibrosis of the distal two-thirds of the esophagus. This results in profound aperistalsis and a hypotensive LES, making it a severe hypomotility disorder. * **Gastroesophageal Reflux (GERD):** Chronic GERD is frequently associated with "Ineffective Esophageal Motility" (IEM), where low-amplitude or failed contractions occur, leading to poor bolus clearance. **NEET-PG High-Yield Pearls:** * **Gold Standard Investigation:** High-Resolution Manometry (HRM) is the investigation of choice for all motility disorders. * **Nutcracker Esophagus Clinical Presentation:** Presents with non-cardiac chest pain and odynophagia; manometry shows pressures >180–220 mmHg. * **Scleroderma Triad:** Aperistalsis, low LES pressure, and reflux esophagitis (often leading to Barrett’s). * **Bird’s Beak Appearance:** Classic radiological finding in Achalasia Cardia on Barium Swallow.

Question 1

Which one of the following clinical features suggests alcoholism as a cause of liver cirrhosis?

Accepted Answer

Spider angioma

Answer

Ascites

Answer

Absence of ankle jerk

Answer

Gynaecomastia

Question 2

A 38-year-old homeless male develops sudden onset hematemesis following a bout of severe vomiting and retching. He had no complaints prior to the onset of his symptoms. On examination, he is pale and looks anxious. The vital signs are normal. Laboratory investigations show normal liver function tests, a low Hb and high MCV, and a chest X-ray is normal. What would be the likely endoscopic appearance of the problem described?

Accepted Answer

Linear tear in the gastroesophageal junction

Answer

Dilated veins in the lower esophagus

Answer

Growth in the lower esophagus

Answer

Whitish plaques in the esophagus

Question 3

A 55-year-old man presents with abdominal cramps and diarrhea for the past month. He has a history of similar episodes for the past 20 years, with each episode lasting about two weeks and resolving spontaneously. Stool samples were positive for occult blood, but laboratory studies did not show any ova or parasites. Colonoscopy revealed diffuse, uninterrupted mucosal inflammation and superficial ulceration extending from the rectum to the ascending colon. What complication is this patient at greatest risk for developing?

Accepted Answer

Adenocarcinoma

Answer

Diverticulitis

Answer

Perirectal fistula

Answer

Primary biliary cirrhosis

Question 4

Celiac disease is associated with which of the following conditions?

Accepted Answer

Dermatitis herpetiformis

Answer

Type 1 Diabetes Mellitus

Answer

Lymphoma

Answer

Atrophic gastritis

Question 5

Which of the following is NOT a cause of secondary achalasia?

Accepted Answer

Kala azar

Answer

Allgrove's Syndrome

Answer

Multiple endocrine neoplasia

Answer

Chaga's disease

Question 6

A young patient presenting with massive hematemesis was found to have splenomegaly. What is the most likely source of bleeding?

Accepted Answer

Esophageal varices

Answer

Duodenal ulcer

Answer

Erosive mucosal disease

Answer

Gastric ulcer

Question 7

Portal hypertension is a complication of cirrhosis of the liver in all of the following except?

Accepted Answer

Gilbert's syndrome

Answer

Wilson's disease

Answer

Hemochromatosis

Answer

Hepatitis C

Question 8

How is Celiac sprue definitively diagnosed?

Accepted Answer

Unequivocal response to gluten restriction

Answer

CT scan

Answer

Finding of an organism

Answer

Improvement on dapsone treatment

Question 9

A 55-year-old woman presents with a 3-year history of recurrent chest pain, unrelated to exertion. She reports a sensation of food getting stuck in her chest, occasional nocturnal cough, and regurgitation. A chest X-ray during an episode revealed a widened mediastinum. She denies other bowel problems or abdominal pain. A trial of proton pump inhibitors (PPI) provided no relief. What is the most appropriate diagnostic test to confirm the underlying condition?

Accepted Answer

Esophageal motility study

Answer

Barium swallow study

Answer

CT scan of the thorax with biopsy

Answer

Endoscopy with biopsy

Question 10

All of the following are hypomotility disorders of the esophagus except?

Accepted Answer

Nutcracker esophagus

Answer

Achalasia cardia

Answer

Gastroesophageal reflux

Answer

Scleroderma

Gastroenterology — MCQs

Gastroenterology — MCQs

On this page

Practice by Chapter

Want unlimited practice?