4.4

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What is the physiological function of the vomiting centers in the brain?

Control the intensity of taste sensations

Modulate blood pressure variations

Regulate water balance in the body

Coordinate the muscles involved in vomiting (correct)

Which disorder is characterized by the rapid emptying of stomach contents into the small intestine?

Gastritis

Dumping syndrome (correct)

Pancreatitis

Gluten intolerance

In the context of GI disorders, what role does gluten intolerance play in malabsorption?

Damages the lining of the small intestine (correct)

Increases digestive enzyme secretion

Decreases stomach acid production

Enhances nutrient absorption

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

Female gender Signup and view all the answers

Which part of the gastrointestinal tract is primarily affected by gastritis?

Stomach lining Signup and view all the answers

Which of the following nutritional deficiencies may result from severe malabsorption?

Iron deficiency anemia Signup and view all the answers

In celiac disease, gluten has which effect on the intestinal enterocytes?

Decreases absorptive surface Signup and view all the answers

What is the consequence of removing large portions of the small intestine?

Gluten enteropathy Signup and view all the answers

Which condition is characterized by excess fats in the stools?

Steatorrhea Signup and view all the answers

What is the primary enzyme required by enterocytes covering villi of the small intestine to digest lactose?

Lactase Signup and view all the answers

What can exogenous enzymes help individuals with severe lactose malabsorption to consume?

Lactose Signup and view all the answers

Which deficiency can result in wasting, osteomalacia, and macrocytic pernicious anemia?

Vitamin B12 and folic acid deficiency Signup and view all the answers

What is one of the distressing symptoms of dumping syndrome?

Weakness, dizziness, and sweating after feeding Signup and view all the answers

Dumping syndrome can lead to which of the following conditions?

Hypovolemia and hypotension Signup and view all the answers

What surgical procedure can be a cause of dumping syndrome?

Gastric bypass surgery Signup and view all the answers

What is the likely diagnosis of a patient who has undergone anastomosis of his jejunum to his stomach and experiences nausea, cramping, dizziness, sweating, and a rapid heart rate after ingesting large volumes of sugary beverages?

Dumping syndrome Signup and view all the answers

Which mechanism is likely most responsible for gastric ulcer formation?

Back-leak of hydrogen ions Signup and view all the answers

What will eliminate the secretion of acid during the gastric phase of digestion in a patient with peptic ulcer disease?

Antigastrin antibodies Signup and view all the answers

In a patient who added high fiber wheat and bran to her diet resulting in weight loss and stomach issues, what is most likely increased?

Fecal fat Signup and view all the answers

Which structure is likely responsible for inducing vomiting upon rapid changes in motion direction or rhythm of the body?

Vestibular nuclei Signup and view all the answers

What is the likely diagnosis for a patient experiencing nausea, cramping, dizziness, sweating, and rapid heart rate after consuming large volumes of sugary beverages post anastomosis of jejunum to stomach?

Dumping syndrome Signup and view all the answers

What is the major anatomical element of vomiting involved in detecting noxious chemical stimuli?

Chemoreceptor trigger zone (CTZ) Signup and view all the answers

Which of the following mechanisms is involved in the mechanics of vomiting?

Contraction of the abdominal wall muscles Signup and view all the answers

4.4

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Questions and Answers

What is the physiological function of the vomiting centers in the brain?

Which disorder is characterized by the rapid emptying of stomach contents into the small intestine?

In the context of GI disorders, what role does gluten intolerance play in malabsorption?

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

Which part of the gastrointestinal tract is primarily affected by gastritis?

Which of the following nutritional deficiencies may result from severe malabsorption?

In celiac disease, gluten has which effect on the intestinal enterocytes?

What is the consequence of removing large portions of the small intestine?

Which condition is characterized by excess fats in the stools?

What is the primary enzyme required by enterocytes covering villi of the small intestine to digest lactose?

What can exogenous enzymes help individuals with severe lactose malabsorption to consume?

Which deficiency can result in wasting, osteomalacia, and macrocytic pernicious anemia?

What is one of the distressing symptoms of dumping syndrome?

Dumping syndrome can lead to which of the following conditions?

What surgical procedure can be a cause of dumping syndrome?

What is the likely diagnosis of a patient who has undergone anastomosis of his jejunum to his stomach and experiences nausea, cramping, dizziness, sweating, and a rapid heart rate after ingesting large volumes of sugary beverages?

Which mechanism is likely most responsible for gastric ulcer formation?

What will eliminate the secretion of acid during the gastric phase of digestion in a patient with peptic ulcer disease?

In a patient who added high fiber wheat and bran to her diet resulting in weight loss and stomach issues, what is most likely increased?

Which structure is likely responsible for inducing vomiting upon rapid changes in motion direction or rhythm of the body?

What is the likely diagnosis for a patient experiencing nausea, cramping, dizziness, sweating, and rapid heart rate after consuming large volumes of sugary beverages post anastomosis of jejunum to stomach?

What is the major anatomical element of vomiting involved in detecting noxious chemical stimuli?

Which of the following mechanisms is involved in the mechanics of vomiting?

Which neurotransmitter receptor subtype does Ondansetron inhibit to prevent vomiting?

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

Which type of obstruction causes acidic vomitus due to prolonged obstruction?

What is the protective response that vomiting represents?

Which drug inhibits dopamine at the D2 receptor to prevent vomiting?

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