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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?

Which of the following is classified as a loop diuretic?

A 68 yo woman with past medical history of MI and atrial fibrillation presents to the clinic with a chief complaint of increased fatigue and weight gain. Her weight today is 80 kg. Her TSH is 15.2 mIU/L and free T4 is 0.5ng/L (normal 0.8-1.8). Which of the following is the BEST therapeutic approach?

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

A 37-year-old woman comes to the Emergency Department with high fever, tachycardia, and a goiter. Which of the following is the most likely diagnosis? 

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 factors may increase a person’s risk for developing colon cancer? 

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

A 63 year-old, previously healthy, male presents 5 hours after a 5-minute episode of exertional substernal chest pressure relieved by rest and one of his brother’s nitroglycerin tablets.  He had associated shortness of breath but no diaphoresis.  It was his first episode and the patient has no past medical history of cardiac problems.  In the emergency room, the heart and lung exams, serial EKG and cardiac enzymes are within normal limits.  Which of the following tests would be best at evaluating his symptoms further?