Gastro 2
36 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which hormone stimulates secretion of gastric acid by the parietal cells of the stomach?

  • Insulin
  • Glucagon
  • Gastrin (correct)
  • Vasoactive intestinal peptide (VIP)

    • What is the role of Enteric nervous system in gastric emptying?

  • Relaxes the pyloric sphincter
  • Regulates the passage from stomach to duodenum
  • Inhibits normal excitatory signals from Vagus nerve
  • Stimulates vigorous mixing of gastric juices (correct)

    • What triggers the release of histamine in the stomach?

  • Stimulation by HCL
  • High pH value above 5.0
  • Presence of meat or protein containing food
  • Vagal stimulation by acetylcholine (correct)

    • Which factor is necessary for Vitamin B12 absorption in the terminal ileum?

    <p>Intrinsic factor</p> Signup and view all the answers

    What does the Pyloric Sphincter primarily regulate?

    <p>Prevents backflow of chyme</p> Signup and view all the answers

    Which hormone is responsible for delaying or inhibiting stomach emptying?

    <p>Cholecystokinin (CCK)</p> Signup and view all the answers

    What is the male-to-female ratio for Pyloric stenosis?

    <p>3:1</p> Signup and view all the answers

    Which condition is characterized by herniation of the stomach or other intra-abdominal structures?

    <p>Congenital Diaphragmatic Hernia</p> Signup and view all the answers

    Respiratory distress, cyanosis, and feeding intolerance are symptoms associated with which condition?

    <p>Pyloric stenosis</p> Signup and view all the answers

    Which risk factor is NOT associated with the pathogenesis of Gastritis?

    <p>Uremia</p> Signup and view all the answers

    What is a characteristic symptom of Acute Gastric Ulcers?

    <p>Superficial erosion</p> Signup and view all the answers

    What causes the hypertrophy of the smooth muscle of the pyloric sphincter in Pyloric stenosis?

    <p>Unknown etiology</p> Signup and view all the answers

    What is the main function of the stomach?

    <p>Storage of ingested food for digestion</p> Signup and view all the answers

    Which region of the stomach produces hydrochloric acid and intrinsic factor?

    <p>Fundus</p> Signup and view all the answers

    What enzyme is primarily responsible for breaking down proteins in the stomach?

    <p>Pepsinogen</p> Signup and view all the answers

    Which layer of the stomach possesses an additional layer of skeletal muscle?

    <p>Muscularis</p> Signup and view all the answers

    How does CO2 contribute to the production of hydrochloric acid (HCL) in the stomach?

    <p>It diffuses into parietal cells and combines with H2O to form H2CO3</p> Signup and view all the answers

    What component is responsible for actively transporting H+ ions into the lumen of parietal cells in the stomach?

    <p>H+/K+ ATPase</p> Signup and view all the answers

    Which congenital anomaly is characterized by herniation of the stomach or other intra-abdominal structures?

    <p>Congenital Diaphragmatic Hernia</p> Signup and view all the answers

    What is the male-to-female ratio for Pyloric stenosis?

    <p>3:1</p> Signup and view all the answers

    Which condition presents with symptoms like respiratory distress, cyanosis, and feeding intolerance?

    <p>Congenital Diaphragmatic Hernia</p> Signup and view all the answers

    What is the common pathogenesis factor associated with Acute Gastric Ulcers?

    <p>H. Pylori infection</p> Signup and view all the answers

    In which condition does hypertrophy of smooth muscle of the pyloric sphincter occur?

    <p>Pyloric stenosis</p> Signup and view all the answers

    What feature distinguishes Acute Gastric Ulcers from Chronic Gastritis?

    <p>Superficial mucosal inflammation</p> Signup and view all the answers

    What is the main difference in the pathogenesis of Menétrier disease compared to Zollinger-Ellison syndrome?

    <p>Surface mucosal cell hyperplasia in Menétrier disease vs. excessive Gastrin secretion in Zollinger-Ellison syndrome</p> Signup and view all the answers

    Which of the following malignant tumors accounts for the highest percentage of all cancer deaths?

    <p>Adenocarcinoma</p> Signup and view all the answers

    What are the common signs and symptoms of gastric cancer that may lead to misdiagnosis with gastric carcinoma?

    <p>Weight loss and palpable enlarged stomach</p> Signup and view all the answers

    In the context of gastric tumors, which type predominantly presents as exophytic, depressed, or excavated gross appearances?

    <p>Adenocarcinomas</p> Signup and view all the answers

    Which symptom is characteristic of Acute Gastric Ulcers and can lead to anemia?

    <p>Melena</p> Signup and view all the answers

    What distinguishes Peptic Ulcer Disease from Congenital Diaphragmatic Hernia in terms of symptomatology?

    <p>Palpable enlarged stomach in Peptic Ulcer Disease vs. respiratory distress in Congenital Diaphragmatic Hernia</p> Signup and view all the answers

    Which of the following is a common complication of Peptic Ulcer Disease?

    <p>Bowel perforation</p> Signup and view all the answers

    What is the recommended primary therapy for Helicobacter pylori infection in the United States?

    <p>Proton pump inhibitor-based triple therapies</p> Signup and view all the answers

    Which condition is characterized by erosion and mucosal breach extending up to or deeper than the submucosa?

    <p>Peptic Ulcer Disease</p> Signup and view all the answers

    What is a potential cause of Acute Gastric Ulcers?

    <p>CNS trauma or surgery</p> Signup and view all the answers

    In Peptic Ulcer Disease, what is the most common complication that may be life-threatening?

    <p>Bowel perforation</p> Signup and view all the answers

    Which group of conditions is characterized by giant 'cerebriform' rugal folds?

    <p>Hypertrophic Gastropathy</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser