What is the best initial diagnostic test for a patient presenting with painful bladder distension and decreased urinary output?  

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

A 28-year-old man presents with marked weakness, hypotension, and abdominal pain. The laboratory studies demonstrate hyperkalemia and hyponatremia. Which of the following is the most likely diagnosis?

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? 

Prostate cancer develops most frequently in which of the following locations? 

Which of the following factors may increase a person’s risk for developing colon cancer? 

Which of the following agents is the BEST choice to initiate in a patient with a history of heparin-induced thrombocytopenia (HIT)?

Which of the following types of urinary calculi is caused by prolonged exposure to Proteus species in the urinary tract?

Which of the following is true regarding nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH)?

Protamine is the reversal agent for which of the following medications?