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Digestion > 2B-Stomach Pathology > Flashcards

2B-Stomach Pathology Flashcards

1
Q

What is inflammation of the stomach lining?

A

Gastritis

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2
Q

Which type of gastritis goes away once the causative agent is removed?

A

Acute Gastritis

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3
Q

Which form of gastritis involves the ATROPHY of the glandular epithelium?

A

Chronic Gastritis

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4
Q

What is the most common form of chronic gastritis?

A

Helicobacter Pylori Gastritis

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5
Q

What enzyme does H. Pylori produce to survive in the stomach? What is the by product of that enzyme?

A

Urease….Ammonia (basic to neutralize the acidic gastric juice)

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6
Q

Which level of the stomach does H. Pylori penetrate?

A

the mucosa

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7
Q

How long does an H.Pylori infection take to turn into Gastritis?

A

a week(usually does not develop an ulcer)

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8
Q

What occurs when a portion of the stomach prolapses through the diaphragmatic/esophageal hiatus?

A

Hiatal Hernia

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9
Q

What are the two types of hiatal hernia?

A

1.fixed 2.sliding(lying down/ dental chair)

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10
Q

What is the radiograph for diagnosing a hiatal hernia?

A

Barium Swallow Radiograph

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11
Q

Which part of the stomach mainly enters the diaphragm hiatus in a hiatal hernia?

A

the fundus

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12
Q

What are the 5 main factors for a hiatus hernia?

A

1.Muscle weakening 2.pregnancy 3.constipation 4.obesity 5.Ascites

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13
Q

What does Intrinsic Factor bind to? Where does it do this?

A

IF binds to Vitamin B12 in the Small Intestine

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14
Q

Where is the IF-B12 complex absorbed and delivered to the blood?

A

Enterocytes of the Illium

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15
Q

What is the result of inadequate Vit B12 absorption?

A

Pernicous Anemia

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16
Q

What is the characteristic shape of the RBC in pernicious anemia?

A

Megaloblastic cells

17
Q

What are the oral manifestations of pernicious anemia?

A

erythematous (red) mucosal lesions

18
Q

What is the spray used to supply Vit B12 in pernicious anemic Pt’s?

A

Nas-co-bal

19
Q

What needs to be supplemented with a gastric bypass?

A

Vit B12!

20
Q

What are the 4 disorders caused by vomiting?

A

1.Acid/base 2.Electrolyte Depletion 3.Malnutrition 4.Aspiration Pnemonia

21
Q

What are the 3 events in vomiting?

A

1.Nausea 2.Retching 3.Emesis

22
Q

What are the 5 causes of vomiting?

A
  1. GI tract-bacterial toxins 2.CNS 3.Drugs 4.Metabolic disorders 5.Pregnancy
23
Q

What are the “commander in chief” centers for vomiting?

A

Bilateral Vomiting Centers

24
Q

What is the zone located on the floor of the 4th ventricle that causes vomiting after a chemical signal?

A

Chemoreceptor Trigger Zone

Digestion (16 decks)

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