Thursday April 29, 1999 - Question 6

Which of the following statements about methylene blue is correct?

A. Doses of methylene blue of > 7 mg/k are capable of causing the formation of methemoglobin.

B. G6PD deficiency does not affect the efficacy of methylene blue.

C. Repetitive doses of methylene blue are never required in the treatment of methemoglobinemia.

D. In healthy patients, symptoms of methemoglobinemia usually occur at 10% methemoglobin concentrations.

E. Methylene blue should be infused over 60 minutes.
 
 

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