4.4 Physiology of GI Disorders Lecture
27 Questions
2 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 condition is characterized by malabsorption due to gluten intolerance?

  • Celiac disease (correct)
  • Gastritis
  • Dumping syndrome
  • Pancreatitis

Where are the vomiting centers located in the brain?

  • Medulla oblongata (correct)
  • Hypothalamus
  • Thalamus
  • Cerebellum

What is a common risk factor for Postoperative Nausea and Vomiting (PONV)?

  • Normal BMI
  • Low blood pressure
  • High blood sugar
  • Obesity (correct)

Which receptors are typically targeted in the prophylaxis of Postoperative Nausea and Vomiting?

<p>Serotonin receptors (C)</p> Signup and view all the answers

What typically causes macrocytic pernicious anemia in individuals with severe malabsorption?

<p>Diminished vitamin B12 and folic acid absorption (A)</p> Signup and view all the answers

Which nutritional deficiency often results in osteomalacia due to lack of calcium?

<p>Vitamin D deficiency (A)</p> Signup and view all the answers

How do individuals with gluten enteropathy (celiac disease) benefit from eliminating gluten from their diet?

<p>Cure within a week (D)</p> Signup and view all the answers

What is the primary effect of gluten on the intestinal enterocytes in individuals with gluten enteropathy?

<p>Destroys enterocytes (B)</p> Signup and view all the answers

Which condition is most likely to cause nausea, cramping, dizziness, sweating, and a rapid heart rate after ingesting large volumes of sugary beverages post anastomosis of the jejunum to the stomach?

<p>Dumping syndrome (C)</p> Signup and view all the answers

What mechanism is primarily responsible for gastric ulcer formation?

<p>Back-leak of hydrogen ions (B)</p> Signup and view all the answers

In a patient experiencing frequent episodes of nausea, cramping, dizziness, sweating, and a rapid heart rate after consuming sugary beverages post-jejunum-stomach anastomosis, what is the likely diagnosis?

<p>Dumping syndrome (B)</p> Signup and view all the answers

Which area in the brain serves as a sensory circumventricular organ and lacks a blood-brain barrier?

<p>Chemoreceptor trigger zone (CTZ) (A)</p> Signup and view all the answers

Which receptors are involved in triggering impulses that lead to vomiting?

<p>5-HT (serotonin) receptors (C)</p> Signup and view all the answers

During vomiting, what happens to prevent aspiration?

<p>Closing of the glottis (D)</p> Signup and view all the answers

Which medication targets intracellular steroid receptors for controlling postoperative nausea and vomiting?

<p>Dexamethasone (C)</p> Signup and view all the answers

What is a risk factor for postoperative nausea and vomiting related to anesthesia?

<p>History of PONV (A)</p> Signup and view all the answers

What is the consequence of prolonged large intestinal obstruction?

<p>Severe vomiting leading to rupture of the intestine (A)</p> Signup and view all the answers

What can cause dehydration from vomiting large amounts of intestinal fluids?

<p>Acidic vomitus due to pyloric obstruction (D)</p> Signup and view all the answers

What is the primary cause of achalasia?

<p>Failure of the lower esophageal sphincter (LES) to relax (C)</p> Signup and view all the answers

Which condition results in the inability of food to reach the stomach due to a failure in the swallowing act?

<p>Megaesophagus (D)</p> Signup and view all the answers

How does chronic gastritis potentially lead to pernicious anemia?

<p>Reduction in stomach secretions causing achlorhydria (D)</p> Signup and view all the answers

What is a common cause of peptic ulcers?

<p>Excessive secretion of acid and pepsin by gastric mucosa (C)</p> Signup and view all the answers

What is the implication of loss of pancreatic secretion in conditions like pancreatitis?

<p>Formation of fatty feces (D)</p> Signup and view all the answers

Which condition involves gluten having a destructive effect on intestinal enterocytes?

<p>Sprue (B)</p> Signup and view all the answers

What is the main cause of tropical sprue?

<p>Infectious agents (C)</p> Signup and view all the answers

How do normal feedback controls ensure neutralization of gastric acid in the duodenum?

<p>Inhibiting gastric secretion and peristalsis (B)</p> Signup and view all the answers

How does gluten affect enterocytes in gluten enteropathy?

<p>Destructive effect on intestinal enterocytes (A)</p> Signup and view all the answers

More Like This

4.4
28 questions

4.4

SolidGorgon avatar
SolidGorgon
PATHO FINAL-
165 questions

PATHO FINAL-

BrighterDahlia avatar
BrighterDahlia
Upper GI Disorders Lecture 6
10 questions

Upper GI Disorders Lecture 6

ExtraordinaryFlugelhorn avatar
ExtraordinaryFlugelhorn
Use Quizgecko on...
Browser
Browser