Which of the following drugs works by inhibiting histamine type 2 (H2) receptors in the parietal cells to cause a decrease in acid secretion?

Which of the following is an absolute contraindication for exercise treadmill testing? 

A patient presents for evaluation of abdominal pain. He complains of a high fever and chills. On physical exam, temperature is 38.5 C with skin yellowish in color. Bowel sounds are present in all quadrants and Murphy’s sign is positive. Considering these symptoms, what is the definitive treatment for the most likely diagnosis?

Which of the following symptoms could be seen in a patient with severe mitral stenosis?

On exam of a 15 month-old infant, a continuous machinery murmur is auscultated in the second intercostal space beneath the left clavicle.  The rest of the examination is otherwise normal.  The murmur continues when the infant is examined in the supine position.  Which of the following is the most likely cause of this murmur?

A 45 year-old male presents to the ER with a four-hour history of hematemesis. After a complete work up, he is diagnosed with a perforated peptic ulcer. Which of the following findings would be expected on his physical exam? 

Goodpasture’s syndrome results in pulmonary hemorrhage due to a pathologic process of which renal structure? 

Phosphodiesterase-5 (PDE-5) inhibitors can enhance the hypotensive effects in patients taking which of the following medications? 

Which of the following heart failure symptoms is most consistent with failure of the left ventricle?

Which of the following correlates with a higher risk of malignancy in a patient with a thyroid nodule?