Which form of bacteria is matched correctly to its description?
spirillum—has a rod shape and exists in chains or alone
coccus—can cause mrsa and has a round shape
coccus—can cause acne and has a round shape
bacillus—has a spherical shape and can form clusters

coccus—can cause MRSA and has a round shape

Methicillin-resistant Staphylococcus aureus

It poses a serial health to both patient and physician who is a health care professional because this particular type of baterium can be both airborne and bloodborne. 

This particular bacterium is resistant to antibiotic because of evolutionary process that prevails among the animal kindgom. These evolutionary process made these baterium insusceptible to antibiotics because of its change in DNA compositions.