Which of the following tests is used in diagnosing polio?
a. nasal culture c. arterial blood gases
b. stool culture d. magnetic resonance imaging (MRI)
B
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A Incorrect. A nasal culture is not used in diagnosing polio.
B Correct. Diagnosing polio requires throat or stool culture.
C Incorrect. An arterial blood gas test is not used in diagnosing polio.
D Incorrect. Magnetic resonance imaging (MRI) is not used in diagnosing polio.
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