PATHOLOGY ROBBINS AND COTRAN GIT ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS

PATHOLOGY ROBBINS AND COTRAN GIT ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS A 23-year-old primigravida gives birth at term to a boy infant. Ultrasound examination before delivery showed poly-hydramnios. A single umbilical artery is seen at the time of birth. The infant vomits all feedings, and then develops a fever and difficulty with respirations within 2 days. A radiograph shows both lungs and the heart are of normal size, but there are pulmonary infiltrates and no stomach bubble. What is the most likely diagnosis? A Achalasia B Diaphragmatic hernia C Esophageal atresia D Hiatal hernia E Pyloric stenosis F Zenker diverticulum - Answer -C Esophageal atresia A 24-year-old man has developed abdominal pain and increasing fatigue over the past 6 months. On physical examination, he is afebrileand appears pale. On palpation, there is mild pain in the right lower quadrant of the abdomen. There are no masses, and bowel sounds are active. Laboratory studies show hemoglobin, 8.9 g/dL; hematocrit, 26.7%; MCV, 74 μm3; platelet count, 255,000/mm3; and WBC count, 7780/ mm3. His stool is positive for occult blood. Upper gastrointestinal endoscopy and colonoscopy showed no lesions. One month later, he continues to experience the same abdominal pain. Which of the following is most likely to cause this patient's illness? A Acute appendicitis B Angiodysplasia C Celiac disease D Diverticulosis E Giardia lamblia infection F Meckel diverticulum - Answer -F Meckel diverticulum A 23-year-old woman, G2, P1, gave birth at term to a boy of normal weight and length following an uncomplicated pregnancy. The infant initially did well, but at 6 weeks, he began feeding poorly for 1 week, and his mother noticed that much of the milk he ingested was forcefully vomited within 1 hour. Now, on physical examination, the infant is afebrile, and there are no external a