What could cause an enlarged lymph node?

Assessment of a patient involved in a motor vehicle collision reveals him to have crepitus to the left humerus, instability to the left lateral chest wall and flank, and pain on palpation to left hip region. He also complains of pain to the right side of the neck. Based on this injury pattern, the AEMT would recognize the patient was:

A) the passenger in a car hit from behind. B) the driver of a car hit on the driver's side. C) an unrestrained occupant in a car struck from the side. D) an unrestrained driver involved in a head-on collision.

Which of the following specimen types/diagnoses should be processed for the recovery of anaerobes?

A) Erysipelas B) Necrotizing fasciitis C) Carbuncle D) Cellulitis