Pancreatic Disorders — MCQs
Which of the following is NOT a recommended management strategy for acute pancreatitis?
Pancreas divisum indicates which of the following?
Exocrine pancreatic insufficiency is seen in:
The treatment of an annular pancreas is
Child has not passed stool by 2nd day of life. X-Ray study done shows:
Which statement about congenital syphilis is FALSE?
A child presents with poor growth and swelling at joints. A radiograph of his wrist is given below. Lab investigations reveal serum ALP levels of >1500. What is the possible diagnosis?
Sandifer syndrome due to GERD in infants is confused with which of the following conditions?
An eight-year-old boy presents with abdominal pain, fever, and bloody diarrhea for 18 months. His height is 100 cm and weight is 14.5 kg. Stool culture was negative for known enteropathogens. Sigmoidoscopy was normal. During the same period, the child had an episode of renal colic and passed urinary gravel. The Mantoux test was 5 x 5 mm. What is the most probable diagnosis?
What is the most common type of intussusception?
Pancreatic Disorders Indian Medical PG Practice Questions and MCQs
Question 1: Which of the following is NOT a recommended management strategy for acute pancreatitis?
- A. Antibiotics are required only in cases of infected necrosis.
- B. Prolonged withholding of oral intake (Correct Answer)
- C. IV fluids are essential
- D. Early enteral feeding is preferred
Explanation: ***Prolonged withholding of oral intake*** - Historically, prolonged fasting was common for **pancreatic rest**, but current evidence supports early refeeding. - **Early refeeding** (within 24-72 hours) is now recommended as it can prevent complications like gut atrophy and bacterial translocation. *Antibiotics are required only in cases of infected necrosis.* - Prophylactic antibiotics are **not recommended** in acute pancreatitis due to lack of benefit and potential to increase multi-drug resistant infections. - Antibiotics should be reserved for cases of **proven or suspected infected pancreatic necrosis**, indicated by gas on CT or positive culture from fine-needle aspiration [1]. *IV fluids are essential* - **Aggressive intravenous fluid resuscitation** is crucial, especially in the early stages, to maintain pancreatic and organ perfusion and prevent systemic complications [2]. - Initial boluses followed by continuous infusion, targeting markers like heart rate and urine output, are standard to correct **hypovolemia**. *Early enteral feeding is preferred* - **Early enteral nutrition** (usually via nasojejunal tube if oral feeding is not tolerated) is preferred over parenteral nutrition. - This helps maintain gut integrity, prevents bacterial translocation, and is associated with **fewer complications** like infection and overall shorter hospital stay.
Question 2: Pancreas divisum indicates which of the following?
- A. Duplication of the pancreas
- B. Formation of more than two pancreatic buds
- C. Formation of only one pancreatic bud
- D. Failure of fusion of dorsal & ventral pancreatic buds (Correct Answer)
Explanation: ***Failure of fusion of dorsal & ventral pancreatic buds*** - **Pancreas divisum** is a congenital anomaly where the **dorsal and ventral pancreatic buds fail to fuse** during embryonic development [1]. - This results in the **bulk of the pancreas (dorsal bud)** draining through the **accessory pancreatic duct** into the minor duodenal papilla, while the ventral bud drains via the main pancreatic duct [1]. *Duplication of the pancreas* - This condition involves the presence of **multiple, distinct pancreatic tissues**, which is different from pancreas divisum where the existing buds simply do not fuse. - Pancreas divisum is a failure of fusion of two normally formed buds, not the formation of extra pancreatic tissue. *Formation of more than two pancreatic buds* - Normal embryonic development typically involves two pancreatic buds (dorsal and ventral), not more than two [1]. - The issue in pancreas divisum is with the **fusion process**, not the number of initial buds [1]. *Formation of only one pancreatic bud* - Pancreatic development normally involves **two distinct buds (dorsal and ventral)** [1]. - The formation of only one bud would lead to pancreatic agenesis or severe hypoplasia, which is a different anomaly than pancreas divisum.
Question 3: Exocrine pancreatic insufficiency is seen in:
- A. Shwachman-Diamond syndrome (Correct Answer)
- B. Rubinstein-Taybi syndrome
- C. Seckel syndrome
- D. Diamond-Blackfan syndrome
Explanation: ***Shwachman-Diamond syndrome*** - This syndrome is characterized by **exocrine pancreatic insufficiency**, neutropenia, skeletal abnormalities, and growth retardation. - The pancreatic insufficiency leads to **malabsorption** and **steatorrhea** due to insufficient production of digestive enzymes. *Rubinstein-Taybi syndrome* - This syndrome is characterized by broad thumbs and great toes, intellectual disability, and distinctive facial features, but not primarily by exocrine pancreatic insufficiency. - It is caused by mutations in the **CREBBP** or **EP300** genes, which are not directly involved in pancreatic function. *Seckel syndrome* - This is a rare genetic disorder characterized by **primordial dwarfism**, microcephaly, and intellectual disability. - While it affects growth and development, it is not typically associated with exocrine pancreatic insufficiency. *Diamond-Blackfan syndrome* - This syndrome primarily involves **pure red cell aplasia**, leading to severe anemia. - Although it can have various congenital anomalies, **exocrine pancreatic insufficiency** is not a characteristic feature of this condition.
Question 4: The treatment of an annular pancreas is
- A. Duodeno-duodenostomy
- B. Duodenojejunostomy (Correct Answer)
- C. Gastrojejunostomy
- D. Gastro-duodenostomy
Explanation: ***Duodenojejunostomy*** - An annular pancreas causes **duodenal obstruction**. A **duodenojejunostomy** bypasses this obstruction by connecting the duodenum to the jejunum, restoring intestinal flow. - This procedure aims to relieve the symptoms of obstruction without resecting the pancreatic tissue, which can be difficult due to its intimate relation with the duodenum. *Gastrojejunostomy* - This procedure connects the **stomach to the jejunum**, bypassing the duodenum. While it can relieve gastric outlet obstruction, it's not the primary or most appropriate treatment for duodenal obstruction specifically caused by an annular pancreas. - It might lead to **bile reflux into the stomach** and **marginal ulcers**, which are not ideal outcomes for this specific condition. *Duodeno-duodenostomy* - This procedure involves resecting a segment of the duodenum and reconnecting the remaining ends. It is not suitable for an annular pancreas because the **pancreatic tissue encircles the duodenum**, making simple resection and reconnection challenging and potentially risky to the pancreas. - The goal is to bypass the obstruction, not to directly resect the involved duodenal segment, which might be difficult given the **fibrous nature of the annular pancreas**. *Gastro-duodenostomy* - This procedure connects the **stomach to the duodenum** at a different point, often used after a **gastrectomy** (e.g., Billroth I). - It would not bypass the **duodenal obstruction caused by the annular pancreas** and thus would not resolve the patient's symptoms.
Question 5: Child has not passed stool by 2nd day of life. X-Ray study done shows:
- A. Cystic fibrosis
- B. Duodenal atresia (Correct Answer)
- C. CHPS
- D. Anorectal malformation
Explanation: ***Duodenal atresia*** - The abdominal X-ray images display the classic **"double bubble sign"**, which is highly characteristic of duodenal atresia. This sign consists of two distinct air-filled loops, one representing the distended stomach and the other the dilated proximal duodenum, with no distal gas. - The clinical presentation of a neonate not passing stool by the second day of life, combined with the characteristic radiological findings, points directly to an **upper gastrointestinal obstruction** like duodenal atresia. *Cystic fibrosis* - While cystic fibrosis can cause **meconium ileus** leading to intestinal obstruction in newborns, it typically presents with diffuse intestinal distension rather than the localized "double bubble" pattern. - Meconium ileus on X-ray would show numerous dilated loops of small bowel with a **"ground-glass" appearance** due to trapped meconium, not the distinct two bubbles seen here. *CHPS* - **Congenital hypertrophic pyloric stenosis (CHPS)** typically manifests later, between 3-6 weeks of age, with projectile non-bilious vomiting, not as early as the second day of life with findings of intestinal obstruction on X-ray. - The X-ray findings in CHPS would show a **distended stomach but without the second bubble** representing a dilated duodenum often seen in duodenal atresia. *Anorectal malformation* - **Anorectal malformations** are lower gastrointestinal obstructions, meaning a significant portion of the bowel would be distended with gas, and the X-ray would not show the isolated "double bubble" sign. - Diagnosis is often made by physical examination demonstrating an **imperforate anus** or abnormal anal opening, in conjunction with plain abdominal radiographs that would show distal intestinal obstruction.
Question 6: Which statement about congenital syphilis is FALSE?
- A. Long bone radiographs are unnecessary in asymptomatic infants born to adequately treated mothers (Correct Answer)
- B. Hutchinson's triad includes interstitial keratitis, Hutchinson's teeth, and eighth nerve deafness
- C. Most infants are asymptomatic at birth
- D. Treatment of maternal syphilis before 32 weeks gestation prevents most cases
Explanation: ***Long bone radiographs are unnecessary in asymptomatic infants born to adequately treated mothers*** - This statement is **FALSE**. According to standard evaluation protocols for congenital syphilis, **long bone radiographs** are recommended as part of the comprehensive workup even in asymptomatic infants, as they can detect subtle bone abnormalities (metaphyseal lucencies, periostitis) that may not be clinically apparent at birth. - While maternal treatment reduces risk significantly, complete evaluation including skeletal survey helps ensure no subclinical disease is missed and guides appropriate management decisions. - Current guidelines recommend radiographic evaluation in infants requiring evaluation for congenital syphilis to rule out bone involvement. *Hutchinson's triad includes interstitial keratitis, Hutchinson's teeth, and eighth nerve deafness* - This statement is **TRUE**. **Hutchinson's triad** is a classic constellation of late congenital syphilis manifestations comprising **interstitial keratitis** (corneal inflammation), **Hutchinson's teeth** (notched, peg-shaped incisors), and **eighth nerve deafness** (sensorineural hearing loss). - These stigmata typically develop in childhood or adolescence in untreated or inadequately treated cases. *Most infants are asymptomatic at birth* - This statement is **TRUE**. Approximately 60-90% of infants with congenital syphilis are **asymptomatic at birth**, particularly in early congenital syphilis. - Clinical manifestations may develop weeks to months later, making early detection dependent on maternal screening, serologic testing, and comprehensive evaluation. *Treatment of maternal syphilis before 32 weeks gestation prevents most cases* - This statement is **TRUE**. Maternal treatment with appropriate penicillin therapy initiated **before 32 weeks gestation** (or at least 30 days before delivery) is highly effective in preventing congenital syphilis. - Early adequate treatment prevents transplacental transmission and fetal infection, with success rates exceeding 98% when treatment is timely and appropriate.
Question 7: A child presents with poor growth and swelling at joints. A radiograph of his wrist is given below. Lab investigations reveal serum ALP levels of >1500. What is the possible diagnosis?
- A. Rickets (Correct Answer)
- B. Osteoporosis
- C. Osteomalacia
- D. Osteogenesis imperfecta
Explanation: ***Rickets*** - The combination of **poor growth**, **joint swelling**, and **elevated alkaline phosphatase (ALP)** in a child strongly indicates rickets, a condition of defective bone mineralization in growing bones. - The radiograph of the wrist would likely show typical findings like **widened growth plates**, **fraying** and **cupping of metaphyses**, and **decreased bone density**, which are characteristic of rickets. *Osteoporosis* - This condition is characterized by **reduced bone mass** and **fragile bones**, typically seen in older adults or due to secondary causes, and is not primarily linked to joint swelling in children. - While ALP levels can be normal or slightly elevated in osteoporosis, a level of >1500 is highly suggestive of active bone formation or breakdown, not typically seen in osteoporosis. *Osteomalacia* - This is defective bone mineralization in adults after growth plates have fused, leading to **bone softening** and **pain**, typically not presenting with joint swelling as a primary symptom. - While it also involves high ALP and bone demineralization, the clinical context of a *child* with growth issues points more specifically to rickets. *Osteogenesis imperfecta* - This is a group of **genetic disorders** characterized by **brittle bones** that fracture easily, often accompanied by **blue sclerae** and **hearing loss**, which are not mentioned in the presentation. - While bone fragility is present, it does not typically cause the described joint swelling or the significantly elevated ALP levels seen in this case.
Question 8: Sandifer syndrome due to GERD in infants is confused with which of the following conditions?
- A. Seizures (Correct Answer)
- B. Recurrent vomiting
- C. Acute otitis media
- D. Sinusitis
Explanation: **Explanation:** **Sandifer syndrome** is a paroxysmal movement disorder associated with **Gastroesophageal Reflux Disease (GERD)** in infants and young children. It is characterized by abnormal posturing of the head, neck, and trunk (torticollis and opisthotonus) during or immediately after feeding. **Why Seizures is the correct answer:** The classic presentation involves sudden, repetitive episodes of arching the back and tilting the head to one side. These movements are often mistaken for **infantile spasms or focal seizures**. The underlying mechanism is a physiological response where the child assumes these positions to lengthen the esophagus and increase the lower esophageal sphincter pressure, thereby reducing the pain caused by acid reflux. Because the movements are episodic and paroxysmal, they frequently lead to unnecessary neurological workups (like EEGs) before the GI cause is identified. **Why other options are incorrect:** * **Recurrent vomiting:** While vomiting is a symptom of GERD, it is the *clinical manifestation* of the reflux itself, not a condition that the specific "posturing" of Sandifer syndrome is confused with. * **Acute otitis media & Sinusitis:** While chronic GERD can lead to ENT complications (like recurrent ear infections) due to micro-aspiration or Eustachian tube dysfunction, these conditions do not present with the paroxysmal motor movements that mimic neurological disorders. **High-Yield Clinical Pearls for NEET-PG:** * **Triad of Sandifer Syndrome:** GERD, Hiatus hernia (often present), and abnormal posturing (Torticollis/Opisthotonus). * **Diagnosis:** Primarily clinical; confirmed by pH monitoring or improvement with anti-reflux therapy (PPIs). * **Key Differentiator:** Unlike seizures, Sandifer syndrome episodes are strictly associated with feeding and are not accompanied by post-ictal confusion or abnormal EEG activity.
Question 9: An eight-year-old boy presents with abdominal pain, fever, and bloody diarrhea for 18 months. His height is 100 cm and weight is 14.5 kg. Stool culture was negative for known enteropathogens. Sigmoidoscopy was normal. During the same period, the child had an episode of renal colic and passed urinary gravel. The Mantoux test was 5 x 5 mm. What is the most probable diagnosis?
- A. Ulcerative colitis
- B. Crohn's disease (Correct Answer)
- C. Intestinal tuberculosis
- D. Strongyloidiasis
Explanation: **Explanation:** The clinical presentation of chronic bloody diarrhea, abdominal pain, and fever in an 8-year-old, coupled with significant growth failure (height 100 cm and weight 14.5 kg are well below the 3rd percentile for his age), strongly suggests **Inflammatory Bowel Disease (IBD)**. **Why Crohn’s Disease (CD) is the correct answer:** 1. **Growth Failure:** CD is more commonly associated with severe growth retardation and delayed puberty than Ulcerative Colitis (UC). 2. **Normal Sigmoidoscopy:** This is the "smoking gun." CD can involve any part of the GIT from mouth to anus, often with "skip lesions." A normal sigmoidoscopy indicates the rectum is spared, which occurs in about 50% of CD cases but is extremely rare in UC. 3. **Extraintestinal Manifestations:** Renal colic and urinary gravel (likely calcium oxalate stones) are classic complications of CD. Malabsorption of fat in the terminal ileum leads to increased absorption of dietary oxalate in the colon (enteric hyperoxaluria). **Why other options are incorrect:** * **Ulcerative Colitis:** Typically involves the rectum (proctitis); therefore, a sigmoidoscopy would almost always show inflammation. Growth failure is also less pronounced than in CD. * **Intestinal Tuberculosis:** While it mimics CD, the negative Mantoux test (5x5 mm) and the presence of renal oxalate stones (specific to ileal malabsorption in CD) make CD more likely. * **Strongyloidiasis:** While it can cause chronic diarrhea, it does not typically present with renal stones or this degree of chronic growth failure over 18 months. **NEET-PG High-Yield Pearls:** * **Rectal Sparing:** A hallmark of Crohn’s Disease (vs. UC which always involves the rectum). * **Kidney Stones in CD:** Primarily **Calcium Oxalate** (due to ileal disease) or **Uric Acid** (due to dehydration). * **Transmural Inflammation:** CD involves all layers of the bowel wall, leading to fistulae and strictures. * **ASCA vs. p-ANCA:** ASCA is positive in CD; p-ANCA is positive in UC.
Question 10: What is the most common type of intussusception?
- A. Multiple
- B. Colocolic
- C. Ileoileal
- D. Ileocolic (Correct Answer)
Explanation: **Explanation:** **Intussusception** is the most common cause of intestinal obstruction in infants aged 6 months to 3 years. It occurs when one segment of the intestine (the intussusceptum) telescopes into an adjacent segment (the intussuscipiens). **Why Ileocolic is the Correct Answer:** The **Ileocolic** type is the most common variety, accounting for approximately **80-90% of cases**. This occurs because the terminal ileum has a high concentration of lymphoid tissue (Peyer’s patches). Hypertrophy of these patches—often triggered by a viral prodrome (like Adenovirus)—acts as a "lead point," allowing the ileum to be pulled into the larger diameter of the cecum and ascending colon by peristalsis. **Analysis of Incorrect Options:** * **A. Multiple:** This refers to more than one site of telescoping. While it can occur in specific conditions like Peutz-Jeghers syndrome (due to multiple polyps), it is rare in the general pediatric population. * **B. Colocolic:** This involves the large bowel telescoping into itself. It is less common in children and, when seen in adults, is usually associated with a malignancy acting as a lead point. * **C. Ileoileal:** This involves the small bowel telescoping into itself. While it occurs, it is less frequent than ileocolic and is often transient or associated with Henoch-Schönlein Purpura (HSP). **High-Yield Clinical Pearls for NEET-PG:** * **Classic Triad:** Intermittent abdominal pain (drawing up of legs), "Sausage-shaped" mass on palpation, and **"Red currant jelly" stools**. * **Diagnosis:** **Ultrasonography** is the investigation of choice, showing the characteristic **"Target" or "Donut" sign**. * **Treatment:** Non-operative reduction using **Air or Hydrostatic (Barium/Saline) enema** is the first-line treatment if there are no signs of perforation or peritonitis. * **Lead Points:** In children >2 years, look for a pathological lead point like **Meckel’s diverticulum**.
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