In what clinical situation is it most appropriate to use a broad-spectrum antimicrobial?
A. In an example of a pediatric otitis media (middle ear) infection. We can't properly test for the specific drug that would best eliminate the infection due to its location, so we use a broad-spectrum drug instead.
B. In a case of viral meningitis. The infection spreads so quickly that we must treat it with an antibacterial drug as quickly as possible. We don't have time to determine which drug will work best, because the patient will die in the meantime.
C. In a case of bacterial meningitis. The infection spreads so quickly that we must treat it with an antibacterial drug as quickly as possible. We don't have time to determine which drug will work best, because the patient will die in the meantime.
D. In a case of Staphylococcus aureus skin infection. Since this microbe can be resistant to several types of drugs, we want to use one that has the broadest spectrum possible to treat this microbe-specific infection.
C
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All of the following are adaptations of sea snakes to a marine existence except:
a. trachea acting as accessory lung. b. gas exchange across their skin. c. oviparous reproduction. d. lower metabolic rate during submergence. e. flattened paddle tail.
The large organism shown here belongs to the
__________ group? a. kinetoplastids b. diplomonads c. green algae d. red algae e. brown algae
The primary complexes for protein synthesis and degradation in eukaryotes are ________ and ________, respectively.
A. ribosomes; mRNA B. proteases; lysosomes C. ribosomes; proteasomes D. proteases; proteasomes E. ribosomes; lysosomes
Staphylococcus, Streptococcus, and Neisseria tend to stimulate pus production and are collectively referred to as _____ cocci.
Fill in the blank(s) with the appropriate word(s).