Place the following phases of a B cell’s life history in the…

Place the following phases of a B cell’s life history in the correct chronological order where 1 is the 1st step and 6 is the last: negative selection [a] attacking infection [b] finding infection [c] searching for infection [d] repertoire assembly [e] positive selection [f]

The nurse is examining an 8 month old infant in the clinic,…

The nurse is examining an 8 month old infant in the clinic, who was brought in for persistent diaper rash.  The nurse finds perianal inflammation with satellite lesions that cross the inguinal folds.  This most likely is caused by which of the following?