An Adolescent Male Is Being Seen for Acute Onset of Left

An adolescent male is being seen for acute onset of left testicular pain. The pain started 3 hours ago. He complains of nausea and denies dysuria and fever. Your prioritized assessment should be to

A) obtain urine and DNA probe urethral samples.
B) lift the left scrotum to confirm epididymitis.
C) establish absent cremasteric reflex.
D) transilluminate the left and right scrotum.
E) have the patient stand and observe the scrotum for a "bag of worms."