Gastrointestinal system

Gastrointestinal system




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USMLE® Step 1 questions

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USMLE® Step 1 style questions USMLE

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A 37-year-old woman with a history of Hashimoto's thyroiditis presents to the primary care physician with a several-month history of fatigue and pain after eating. The patient reports burning pain approximately twenty to thirty minutes after every meal with associated nausea. She reports that she drinks one glass of wine with dinner every night. She does not have worsening of the symptoms with any particular food items, and she has not had any recent changes in diet.  Temperature is 37°C (98.6°F), pulse is 84/min, respirations are 14/min and blood pressure is 110/62 mmHg. Physical exam shows conjunctival pallor as well as a smoothened and shiny tongue, fissures at the angles of the lips, and a wide-based gait. Laboratory findings are demonstrated below:  
Laboratory value  Result
 CBC, Serum 
 Hemoglobin  10.2  g/dL 
 Hematocrit  33.6% 
 Leukocyte count  9,000 /mm3 
 Platelet count  200,000/mm3 
 MCV                        109 fL 
 RDW                    11.5-14.5% 
               Sodium  134 mEq/L 
           Potassium  4.2 mEq/L 
              Chloride  96 mEq/L 
                 BUN                    37 mg/dL 
             Creatinine  1.8 mg/dL 
              Albumin  3.5  g/dL 
Which of the following best describes the mechanism underlying this patient’s clinical manifestations?  

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Acute gastritis p. 388

Alcoholism p. 595

gastritis in p. 388

Autoimmune gastritis p. 388

Brain injury

gastritis with p. 388

Chronic gastritis p. 388

Curling ulcers

gastritis p. 388

Cushing ulcers

gastritis p. 388

Gastritis p. 388

associations p. 727

gastrin in p. 380

H2 blockers for p. 407

Helicobacter pylori p. , 144

proton pump inhibitors for p. 408

stomach cancer and p. 388

Nonsteroidal anti-inflammatory drugs (NSAIDs) p. 499

gastritis with p. 388


Gastritis is an inflammation of the lining of the stomach. It can be caused by several things, including infection, alcohol, smoking, and the use of certain medications. Symptoms can include pain in the upper abdomen, nausea, vomiting, and loss of appetite.


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