Biology, 19.08.2019 01:30 nathrontheking
Staph infections, caused by the bacterium staphylococcus aureus, are increasing in frequency and are more difficult to treat with antibiotics. many staph infections are now caused by mrsa, and methicillin-resistant strain of s. aureus. what explains the more widespread phenomenon of mrsa prevalence in staph infections?
a) vaccines for mrsa have become not effective because of changes to human immune systems.
b) the presence of antibiotics induced the bacterial genomes to mutate and develop resistance to the drug.
c) decreased hospital sanitation practices to save money have resulted in increased presence of resistant staph infections.
d) selective pressures by excessive antibiotic use have increased the frequency of resistant strains of s. aureus over the last few decades.
Answers: 1
Biology, 22.06.2019 08:40
What substance acts to prevent sudden ph changes in bodily fluids?
Answers: 2
Biology, 22.06.2019 10:50
The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million
Answers: 2
Biology, 22.06.2019 17:50
The graph shows how much money the south dakota livestock industry earns annually. according to the graph, which industry would experience the greatest financial impact from a loss of pastureland
Answers: 3
Staph infections, caused by the bacterium staphylococcus aureus, are increasing in frequency and are...
Arts, 10.11.2020 04:30
Mathematics, 10.11.2020 04:30
Mathematics, 10.11.2020 04:30
Mathematics, 10.11.2020 04:30
Mathematics, 10.11.2020 04:30
Advanced Placement (AP), 10.11.2020 04:30
Mathematics, 10.11.2020 04:30
Computers and Technology, 10.11.2020 04:30
Biology, 10.11.2020 04:30
English, 10.11.2020 04:30
Mathematics, 10.11.2020 04:30