Q: Ceftaroline has been called fifth generation cephalosporin because it has added activity against?
A) Methicillin-resistant Staphylococcus aureus (MRSA)
B) Pseudomonas aeruginosa
C) Neisseria gonorrhoeae
E) Moraxella catarrhalis
Ceftaroline and ceftobiprole are the only two fifth generation cephalosporins known.
This took care of criticism on cephalosporins of being "LAME" - as they had no activity against Listeria, Atypicals (including Mycoplasma and Chlamydia), MRSA, and enterococci.
Further reading is at the link of the reference.
1. Duplessis C, Crum-Cianflone NF. Ceftaroline: A New Cephalosporin with Activity against Methicillin-Resistant Staphylococcus aureus (MRSA). Clinical medicine reviews in therapeutics. 2011;3:a2466. doi:10.4137/CMRT.S1637.