Select the best response to the question.
What should be considered when a patient's urine culture result is positive for Escherichia coli?
A) This is an example of a pathogen that has invaded the body.
B) This is a normal finding; no treatment is needed.
C)Normal flora is causing infection in a part of the body where it doesn't belong.
D) The urine culture must be repeated to validate the findings.
C
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Anaphylactic shock can be controlled by an immediate injection of histamine
a. True b. False
The bones in the forelimbs of a mammal ____
a. can often be traced to a common ancestor b. offer no evidence to support the theory of evolution c. perform the same function no matter which species they are in d. may exhibit either analogy or homology but not both when compared to the forelimb of another animal e. show convergence with some invertebrate structures
Over 90% of all cells in the nervous system are ____
a. motor neurons b. sensory neurons c. integrator neurons d. interneurons e. glial cells
Which is a differentiating characteristic of land plants from green algae?
a. Land plants photosynthesize. b. Land plants have chlorophyll.. c. Land plants have a waxy cuticle. d. Land plants utilize carbon dioxide. e. Land plants’s cell walls are made of cellulose