A 72-year-old woman falls and sustains a hip fracture. X-ray shows a fracture at the femoral neck. Which artery is most at risk of injury leading to avascular necrosis?

A 3-year-old boy presents with a painless swelling of the scrotum that increases during crying and decreases when lying down. Transillumination is positive. What is the most likely diagnosis?

A woman presents weeks after a severe postpartum hemorrhage with fatigue, inability to lactate, and amenorrhea. What is the most likely underlying cause of her condition?

Before starting isotretinoin in a woman of childbearing potential, what is required?

A medical student spends the night cramming anatomy and now cannot lift their coffee mug in the morning. Which muscle is most likely responsible for this tragic academic failure?

Hypothyroidism in neonates and infants is termed:

A patient presents with acute symmetric, belt-like low back pain after lifting a heavy object. There are no neurological deficits on exam. What is the most appropriate initial management?

What is the diagnostic test of choice for cholelithiasis?

A tired medical student can’t shrug off stress, literally. Which muscle has failed him?

A 6-month-old infant presents with recurrent bacterial infections, delayed separation of the umbilical cord, and marked leukocytosis. What is the most likely diagnosis?