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Vitamin B6: Quiz


Question 1: Pyridoxal phosphate, the metabolically active form of vitamin B6, is involved in many aspects of macronutrient metabolism, neurotransmitter synthesis, histamine synthesis, hemoglobin synthesis and function and ________.
ProteinDNARNAGene expression

Question 2: Facts about Vitamin B6 from Office of Dietary Supplements at ________
Harbor HospitalGreater Baltimore Medical CenterJohns Hopkins HospitalNational Institutes of Health

Question 3: An overdose of pyridoxine can cause a temporary deadening of certain nerves such as the proprioceptory nerves; causing a feeling of disembodiment common with the loss of ________.
ProprioceptionNociceptorNervous systemPain

Question 4: [1][2] B6 is also considered an experimental but potentially effective treatment for schizophrenia and ________.
Pervasive developmental disorderAsperger syndromeAutismRett syndrome

Question 5: The availability of vitamin B6 to the body can be affected by certain drugs such as anticonvulsants and ________.
GlucocorticoidSex steroidMineralocorticoidCorticosteroid

Question 6: Vitamin B6 is an essential component of enzymes that facilitate the biosynthesis of ________[3].

Question 7: Pyridoxal phosphate (PLP) is the active form and is a cofactor in many reactions of ________ metabolism, including transamination, deamination, and decarboxylation.
Cystathionine beta synthaseAmino acid synthesisAmino acidL-DOPA

Question 8: Vitamin B6 is a water-soluble ________ and is part of the vitamin B complex group.
CyanocobalaminFolic acidCholineVitamin

Question 9: The pyridoxal phosphate-dependent transaminases and ________ provide the vitamin with its role in gluconeogenesis, so deprivation of vitamin B6 results in impaired glucose tolerance.
Glycogen debranching enzymeGlycogen phosphorylaseGlycogen synthaseGlycogen branching enzyme

Question 10: B6 (Pyridoxine, Pyridoxal phosphate, ________)
Cofactor (biochemistry)PyridoxaminePimagedinePyridine

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