Answer to Question 1
ANS: B
Pyridoxine is required for the formation and regulation of neurotransmitters such as epinephrine, norepinephrine, tyramine, dopamine, serotonin, and gamma-aminobutyric acid.
Answer to Question 2
ANS: B
Thiamine deficiency is common in the alcoholic patient; it is referred to as Wernicke-Korsakoff syndrome.