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Pyridoxine: Quiz


Question 1: It differs from ________ by the substituent at the '4' position.
PyridoxinePyridoxaminePimagedinePyridoxal phosphate

Question 2:
What is the chemical name of Pyridoxine (IUPAC)
5-(2-methylpyridin-1-ium-1-yl)methyl-2-propyl-pyrimidin-4-amine chloride
4,5-Bis- 2-methylpyridin- 3-ol

Question 3: This enzyme is responsible for converting the precursors ________ (5-HTP) into serotonin and levodopa (L-DOPA) into dopamine, noradrenaline and adrenaline.

Question 4: Pyridoxine is one of the compounds that can be called vitamin B6, along with pyridoxal and ________.
PimagedinePyridoxal phosphatePyridoxamineCofactor (biochemistry)

Question 5: It is required for the production of the monoamine neurotransmitters serotonin, ________, norepinephrine and epinephrine, as it is the precursor to pyridoxal phosphate: cofactor for the enzyme aromatic amino acid decarboxylase.

Question 6: It is based on a ________ ring, with hydroxyl, methyl, and hydroxymethyl substituents.
EthanolAcetic acidPyridineBenzene

Question 7: It is linked to cardiovascular health by decreasing the formation of ________.
GlycineS-Adenosyl methionineSerineHomocysteine

Question 8: A very good source of pyridoxine is dragon fruit from ________[3].
SingaporePhilippinesMalaysiaSoutheast Asia

Question 9: Pyridoxine is given 10-50 mg/day to patients on INH (Isoniazid) to prevent ________ and CNS effects that are associated with the use of isoniazid.
Peripheral neuropathySymptomICD-10 Chapter XVIII: Symptoms, signs and abnormal clinical and laboratory findingsPneumonia

Question 10: It is given to patients taking ________ to combat the toxic side effects of the drug.


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