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Caster Semenya is a South African track star who has won two Olympic gold metals in the 800 meter race. She has an X and a Y chromosome. According to current rules, a person with an SRY gene cannot compete in world competitions such as the Olympics unless they have complete androgen insensitivity syndrome.  

A 14-year-old boy presents to the ED with sudden onset of severe left testicular pain that began 90 minutes ago while he was sitting in class. He has associated nausea and one episode of vomiting. He denies trauma. On exam, the left testicle is high-riding and horizontally oriented. The scrotum is mildly swollen and tender, and the cremasteric reflex is absent on the left. Transillumination is negative. Which of the following is the most appropriate next step in management?

____________________ is a congenital heart abnormality that shunts right to left and includes four defect anomalies.

Congenital heart disorders that do not cause a decrease in systemic oxygenation is _____________________.

Which of the following is true about laryngotracheobronchitis?

Which of the following disease processes commonly has L:S ratio less than 2:1, requires surfactant administration and reaches its peak within 72 hours?

During HFOV, which of the following are controls that we set?   1. Amplitude and PIP   2. Bias flow, Amplitude, MAP and Hertz   3. Amplitude, PEEP, MAP and Hertz   4. Bias flow, Amplitude, PIP, and MAP

In relation to delivery of a newborn, what heart rate do you need to provide positive pressure ventilation?

Which of the following is a rare defect in which a single great artery arises from the ventricles of the heart, exhibits a right-to-left shunt, and contains a large ventricular septal defect?

You suspect that a premature infant has a patent ductus arteriosus. What provides a definitive diagnosis?