The pharmacology instructor is discussing emerging diseases with the pre-nursing class. What might the instructor say about the causes of emerging diseases?
A) Human immune systems are getting weaker
B) Extended-spectrum antibiotics causing multiple resistant strains of common bacteria
C) Diseases crossing from the animal kingdom to humans
D) Mutation of known viruses are emerging diseases
Ans: B
Feedback: Some multiple resistant strains of common bacteria such as CA-MRSA and gram-negative organisms that are resistant to extended-spectrum beta-lactam antibiotics or carbapenem-based antibiotics are often considered causes of emerging diseases. Human immune systems are not getting weaker. Diseases cross from the animal kingdom only rarely. Mutation of known viruses give us variations on the same diseases.
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