Pyridoxine

Question 1

Vitamin ___

___ soluble

also includes

in _____ as pyridoxine

in animal tissues as _____

Plant form is ____ than animal forms

Answer 1

B6

water soluble

pyridoxamine

Plants

5 Pyridoxal Phosphate

less bioavailable

Question 2

Source

Important

such as

metabolism of

converts ____ to ___

Answer 2

Legumes, nuts, wheat bran and meat

cofactor for AA metabolism

heme, NT synthesis

glycogen, lipids, steroids, sphingoid bases, vitamins

tryptophan, niacin

Question 3

Sx of deficiency

In infants

can lead to diminished

Answer 3

epithelial changes, PN, depression, confusion

diarrhea/seizures, anemia

hemoglobin synthesis

Question 4

Isoniazid interferes w

Inhibits

Pts w isoniazid should be supplemented w

Answer 4

pyridoxine metabolism

active form of vitamin, resulting in PN

pyridoxine

Question 5

Inc AST to ALT in alcoholic liver dz reflects

Toxicity

Answer 5

VB6 def w ALT dependence

None