Discharge summary: This 3-year-old infant was placed under anesthesia for an insertion of a ureteral catheter due to congenital stenosis of the ureter. The procedure was uneventful. This case is reported with code(s) .

Influenza (the flu) is caused by a virus that attacks the respiratory system. which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus? a the gene that controls the production of stem cells b the gene that controls the production of skin cells c the gene that controls the production of red blood cells d the gene that controls the production of white blood cells