Free USMLE USMLE Exam Questions

Which of the following are not treated with Nifedipine? 

The thymus is located with the _______. 

A 50-year-old male with AIDS develops a fever, headache and stiff neck. A sample of his cerebrospinal fluid reveals the presence of lymphocytes, glucose levels of 35 mg/dL and protein levels of 75 mg/dL. The test which would most likely confirm this patient’s diagnosis is the:

A 54-year-old man comes to the physician because of episodes of fainting for 3 months. He also has had difficulty performing daily tasks because he is easily fatigued. He had a myocardial infarction 12 years ago. His pulse is 40/min, respirations are 18/min, and blood pressure is 138/85 mmHg. Physical examination shows evidence of cannon a waves. An ECG shows a P-wave rate of 90/min, and an R-wave rate of 40/ min, with no apparent relation between the two. Which of the following is the most likely diagnosis?

Which of the following is the outermost layer of the epidermis?