Gastroenterology Practice Questions

Q: Which of the following is the earliest symptom of Hepatic encephalopathy?

Change in sleep patterns. **Explanation:** Hepatic Encephalopathy (HE) is a reversible syndrome of neuromuscular and neuropsychiatric dysfunction caused by liver failure or portosystemic shunting [1]. **Why "Change in sleep patterns" is correct:** The earliest clinical manifestation of HE is often subtle and involves a **reversal of the sleep-wake cycle** (daytime somnolence and nighttime insomnia) [2]. This occurs in **Stage 1** (Prodromal stage) of the West Haven Criteria. Patients may also exhibit mild confusion, irritability, and a shortened attention span before more overt neurological signs appear. **Analysis of Incorrect Options:** * **Asterixis (Option B):** Also known as "flapping tremors," this is the hallmark sign of HE but typically appears in **Stage 2** (Lethargy/Confusion). It is not the earliest symptom. * **EEG Changes (Option C):** Classic EEG findings (generalized slowing and high-amplitude **triphasic waves**) are characteristic of HE but usually manifest as the patient progresses into Stage 2 or 3. It is a diagnostic finding, not a presenting symptom. * **Disorientation (Option D):** While disorientation to time and place is a key feature, it typically characterizes **Stage 2** (moderate) or **Stage 3** (severe) encephalopathy. **High-Yield Clinical Pearls for NEET-PG:** * **West Haven Criteria:** The standard grading system for HE (Stage 0 to 4). * **Constructional Apraxia:** An early sign where the patient cannot perform simple tasks like drawing a five-pointed star or a clock face. * **Fetor Hepaticus:** A musty, sweet breath odor caused by dimethyl sulfide; seen in advanced HE. * **Precipitating Factors:** Always look for triggers in clinical stems, such as GI bleed, infections (SBP), constipation, or hypokalemia. * **Treatment:** Lactulose (first-line) and Rifaximin are the mainstays of management.

Q: All of the following simulate chronic hepatitis except?

HAV. **Explanation:** The core concept tested here is the distinction between viruses that cause chronic infection and those that are strictly acute. **Chronic hepatitis** is defined as inflammation of the liver lasting for more than 6 months. **Why HAV is the correct answer:** Hepatitis A Virus (HAV) is an RNA virus transmitted via the feco-oral route. It causes **acute hepatitis only** and never progresses to a chronic state or a carrier state [1]. While it can rarely cause "relapsing hepatitis" or "cholestatic hepatitis," it does not lead to chronic liver disease or cirrhosis. Therefore, it cannot simulate chronic hepatitis. **Analysis of incorrect options:** * **HBV (Hepatitis B):** This is a classic cause of chronic hepatitis. Approximately 5-10% of adults and up to 90% of neonates infected with HBV develop chronic infection, which can progress to cirrhosis and hepatocellular carcinoma (HCC). * **Haemochromatosis:** This is an autosomal recessive disorder of iron overload. The progressive deposition of iron in hepatocytes leads to chronic inflammation, fibrosis, and eventually "bronze cirrhosis," simulating the clinical picture of chronic viral hepatitis. * **Wilson’s Disease:** A disorder of copper metabolism that can present as chronic active hepatitis, especially in children and young adults. It often mimics other forms of chronic liver disease before progressing to cirrhosis. **NEET-PG High-Yield Pearls:** * **Hepatitis E (HEV):** Generally causes acute hepatitis, but can cause **chronic hepatitis in immunocompromised patients** (e.g., organ transplant recipients). * **Hepatitis C (HCV):** Has the highest rate of chronicity (approx. 75-85% of cases) [2]. * **Rule of Thumb:** Only "B, C, and D" (Hepatitis B, C, and D) cause chronic viral hepatitis in immunocompetent hosts. "A and E" are typically acute.

Q: Which of the following is the most prominent feature of immunoproliferative small intestinal disease (IPSID)?

Abdominal pain. **Explanation:** **Immunoproliferative Small Intestinal Disease (IPSID)**, also known as Mediterranean lymphoma or Alpha-chain disease, is a variant of MALT lymphoma associated with *Campylobacter jejuni* infection. It is characterized by the proliferation of B-lymphocytes that secrete truncated alpha-heavy chains. 1. **Why Abdominal Pain is Correct:** **Abdominal pain** is the most frequent and prominent presenting symptom, occurring in approximately 80-90% of patients. It is typically chronic, diffuse, and cramping in nature. The pain results from the extensive infiltration of the small intestinal lamina propria by plasma cells and lymphocytes, leading to dysmotility and peritoneal irritation. 2. **Analysis of Incorrect Options:** * **Malabsorption (A):** While malabsorption (presenting as diarrhea and weight loss) is a classic feature of IPSID due to villous atrophy, it usually follows or accompanies the onset of pain. It is a major clinical consequence but not the most "prominent" initial complaint compared to pain. * **Obstruction (B):** Intestinal obstruction is a late-stage complication occurring if the disease transforms into high-grade large-cell lymphoma forming bulky masses. It is not a primary or most common feature. * **Bleeding (C):** Gastrointestinal bleeding is rare in IPSID as the lesion is typically an infiltrative mucosal process rather than an ulcerative or vascular one. **High-Yield Clinical Pearls for NEET-PG:** * **Epidemiology:** Most common in young adults (20-30s) in developing countries (Middle East/Mediterranean). * **Pathogenesis:** Strong association with **Alpha-heavy chain** production (detected on serum electrophoresis). * **Treatment:** Early-stage disease (Stage A) can often be cured with **antibiotics** (Tetracycline), while late stages require CHOP chemotherapy. * **Key Histology:** Dense "lymphoplasmacytic" infiltration of the lamina propria.

Q: Intermittent dysphagia is caused by which of the following conditions?

Achalasia cardia and Diffuse esophageal spasm. ### Explanation The key to answering dysphagia questions lies in distinguishing between **mechanical obstruction** and **motility disorders**. **1. Why Option C is Correct:** Both **Achalasia cardia** and **Diffuse Esophageal Spasm (DES)** are primary esophageal motility disorders. [3] * **Achalasia cardia:** Characterized by the failure of the Lower Esophageal Sphincter (LES) to relax and aperistalsis. [1] While it often presents with progressive dysphagia, the symptoms can be **intermittent** in the early stages and characteristically involve both **solids and liquids** from the onset. [4] * **Diffuse Esophageal Spasm (DES):** Presents with classic **intermittent** dysphagia and non-cardiac chest pain. [2] The symptoms are episodic because the uncoordinated "corkscrew" contractions occur sporadically. **2. Why Other Options are Incorrect:** * **Strictures and Reflux Esophagitis (Options A & B):** These are mechanical/structural issues. Dysphagia due to a peptic stricture is typically **progressive** (starting with solids and later involving liquids) rather than intermittent. [3] * **Pharyngeal (Zenker’s) Diverticulum (Options B & D):** This is a structural outpouching. While it can cause gurgling and regurgitation [1], the dysphagia is usually constant or progressive as the sac enlarges and compresses the esophagus. **3. NEET-PG High-Yield Pearls:** * **Solids only dysphagia:** Suggests mechanical obstruction (e.g., Schatzi ring, Carcinoma, Stricture). [3] * **Solids + Liquids dysphagia (from start):** Suggests a motility disorder (Achalasia, DES, Scleroderma). * **Intermittent + Solids only:** Classic for **Schatzki Ring**. * **Intermittent + Solids/Liquids + Chest pain:** Classic for **Diffuse Esophageal Spasm**. [2] * **Progressive + Weight loss + Elderly:** Highly suspicious of **Esophageal Carcinoma**.

Q: A patient presents with serum bilirubin values of >40mg% and obstructive jaundice. What does this indicate?

Concomitant renal failure. ### Explanation In clinical practice, serum bilirubin levels rarely exceed **20–30 mg/dL**, even in cases of complete biliary obstruction. This is because, at these high levels, the kidneys begin to excrete conjugated bilirubin efficiently, creating a "plateau" effect where the rate of excretion matches the rate of production. **1. Why "Concomitant Renal Failure" is correct:** When a patient presents with extreme hyperbilirubinemia (**>40 mg/dL**), it indicates that the secondary clearance mechanism—the kidneys—is failing. The inability of the kidneys to filter conjugated bilirubin leads to a rapid accumulation in the blood. This scenario is often seen in conditions like **hepatorenal syndrome** or severe sepsis with multi-organ dysfunction. **2. Why the other options are incorrect:** * **Carcinoma of the gallbladder & Complete obstruction of the bile duct:** While these cause obstructive jaundice, the bilirubin levels typically peak between 15–30 mg/dL. Without renal impairment, the body maintains an equilibrium that prevents levels from reaching 40 mg/dL. * **Acute cholecystitis:** This typically presents with minimal or no jaundice unless there is associated Mirizzi syndrome or a common bile duct stone. Bilirubin levels are usually 40–50 mg/dL are most commonly associated with **renal insufficiency**, **severe hemolysis** (e.g., G6PD deficiency with hepatitis), or **fulminant hepatic failure**. * **Courvoisier’s Law:** In a patient with obstructive jaundice, a palpable gallbladder is usually due to malignancy (e.g., Periampullary Ca) rather than stones, as stones cause a fibrosed, non-distensible gallbladder.

Q: Post-hepatic portal hypertension is caused by?

Budd-Chiari Syndrome. Detailed explanation of portal hypertension classification: **Pre-hepatic, Intra-hepatic, and Post-hepatic.** **1. Why Budd-Chiari Syndrome is Correct:** Budd-Chiari Syndrome (BCS) is defined by the obstruction of hepatic venous outflow, occurring anywhere from the small hepatic veins to the junction of the inferior vena cava (IVC) and the right atrium [2]. Because the obstruction occurs **after** the blood has passed through the liver parenchyma, it is the classic example of **Post-hepatic portal hypertension**. Clinical features typically include the triad of abdominal pain, ascites, and hepatomegaly. **2. Analysis of Incorrect Options:** * **Portal Vein Thrombosis (Option A):** This occurs before the blood enters the liver and is a recognised cause of non-cirrhotic portal hypertension. Therefore, it is a **Pre-hepatic** cause [1]. * **Banti Syndrome (Option B):** Also known as Non-Cirrhotic Portal Fibrosis (NCPF), this involves obliterative portal venopathy. It is classified as **Pre-hepatic** or **Pre-sinusoidal intra-hepatic**. * **Congenital Hepatic Fibrosis (Option D):** This involves architectural changes within the liver tissue itself. It is an **Intra-hepatic (Pre-sinusoidal)** cause. **3. NEET-PG High-Yield Pearls:** * **Most common cause of Portal HTN in India:** Cirrhosis (Intra-hepatic). * **Most common cause of Variceal Bleed in children:** Extra-hepatic Portal Vein Obstruction (EHPVO). * **Post-hepatic causes to remember:** Budd-Chiari Syndrome, IVC webs, Constrictive Pericarditis, and Right-sided Heart Failure [3]. * **Schistosomiasis:** The most common cause of Pre-sinusoidal portal hypertension worldwide.

Question 1

Which of the following is the earliest symptom of Hepatic encephalopathy?

Accepted Answer

Change in sleep patterns

Answer

Asterixis

Answer

Electroencephalogram (EEG) changes

Answer

Disorientation

Question 2

All of the following simulate chronic hepatitis except?

Accepted Answer

HAV

Answer

HBV

Answer

Haemochromatosis

Answer

Wilson's disease

Question 3

Which of the following is the most prominent feature of immunoproliferative small intestinal disease (IPSID)?

Accepted Answer

Abdominal pain

Answer

Malabsorption

Answer

Obstruction

Answer

Bleeding

Question 4

In 24-hour ambulatory pH testing for the diagnosis of GERD, what percentage of the day should the pH be less than 4?

Accepted Answer

> 5%

Answer

> 20%

Answer

> 1%

Answer

> 1%

Question 5

Intermittent dysphagia is caused by which of the following conditions?

Accepted Answer

Achalasia cardia and Diffuse esophageal spasm

Answer

Stricture, Reflux esophagitis, and Achalasia cardia

Answer

Reflux esophagitis, Achalasia cardia, and Pharyngeal diverticulum

Answer

Pharyngeal diverticulum and Diffuse esophageal spasm

Question 6

Which of the following is FALSE about Mallory-Weiss syndrome?

Accepted Answer

Massive hemorrhage is the most common manifestation.

Answer

Alcohol is an associated etiology.

Answer

Conservative treatment is effective in most cases.

Answer

Anti-reflux procedures do not have an added advantage.

Question 7

Which of the following statements about achalasia cardiae is true?

Accepted Answer

There is a loss of ganglion cells within the esophageal myenteric plexus.

Answer

Achalasia is a common disorder.

Answer

Excess lower esophageal sphincter relaxation is the major pathology.

Answer

Latent infection with rubella virus is responsible for achalasia cardiae.

Question 8

A 23-year-old male college student has a history of liver cirrhosis due to an abnormality in copper metabolism. He should be treated with which of the following?

Accepted Answer

Penicillamine as soon as the diagnosis is established

Answer

Penicillamine after variceal bleeding has occurred

Answer

A portocaval shunt

Answer

Sclerosis of the esophageal varices as a prophylactic measure

Question 9

A patient presents with serum bilirubin values of >40mg% and obstructive jaundice. What does this indicate?

Accepted Answer

Concomitant renal failure

Answer

Carcinoma of the gallbladder

Answer

Acute cholecystitis

Answer

Complete obstruction of the bile duct

Question 10

Post-hepatic portal hypertension is caused by?

Accepted Answer

Budd-Chiari Syndrome

Answer

Portal vein thrombosis

Answer

Banti Syndrome

Answer

Congenital hepatic fibrosis

Gastroenterology — MCQs

Gastroenterology — MCQs

On this page

Practice by Chapter

Want unlimited practice?