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CDR Exam - Mine > D1_L2 Pt 3: Water Soluble Vitamins 2 > Flashcards

D1_L2 Pt 3: Water Soluble Vitamins 2 Flashcards

1
Q

______ competes with pyridoxine for enzymes

A

Isoniazid
Think (B)ISONiazid and OX compete for plant foods

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2
Q

Pyridoxine toxicity is _____

A

Irreversible

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3
Q

Deficiency symptoms of pyridoxine

A

Think GRASP
Glossitis (inflamed tongue)
Rashes
Anemia
Seizures
Peripheral neuropathy

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4
Q

Sources of pyridoxine

A

Think While traveling by OX you see YuCCA plants
Yeast
u
Cereals
Corn
Animal Sources

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5
Q

Primary functions of biotin (4)

A

Energy production
Nutrient metabolism
A co-enzyme in rxns including AA metabolism, fatty acid synthesis, & converting pyruvate to oxaloacetate
Involved in gene expression

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6
Q

Biotin is formed by _____ _____
_____ binds biotin, causing it to be ______

A

Intestinal bacteria
Avidin
Inactivated
Think IN - biotIN is INactivated by avidIN

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7
Q

Deficiency symptoms of biotin

A

Think in bio lab we measure in GRAMs
Glossitis
Rashes
Alopecia
Muscle damage
s

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8
Q

Sources of biotin

A

Think KYLE is my bio lab partner
Kidney
Yeast
Liver
Egg yolk

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9
Q

Functions of folate

A

Acts as a coenzyme in DNA synthesis
RBC formation
Decreases neural tube defects

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10
Q

Folate is synthesized from ______
Folate is ___-dependent because _____

A

PABA
Zinc
Zinc makes folate absorbable

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11
Q

Folate deficiency symptoms

A

Think folate/football STADIUm
Shortness of breath
Tiredness
Anemia (megaloblastic, marocytic)
Diarrhea
Irritability
Ulcers
m

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12
Q

Sources of folate

A

Think folate BLoCKs neural tube defects
Beans
Leafy greens/lentils/liver
o
Cereal/citrus fruits
Kidney
s

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13
Q

Functions of cyanocobalamin

A

A coenzyme in synthesizing proteins (homocysteine to methionine)
RBC production
Maintains nerve fiber sheaths

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14
Q

Steps of cyanocobalamin absorption

A

HCL & pepsin unbind B12 from foods
Free B12 binds with intrinsic factor (IF)
B12 & IF travel to small intestine for absorption

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15
Q

Deficiency symptoms of cyanocobalamin

A

Megaloblastic (large RBC), macrocytic (large RBC), & pernicious anemia (autoimmune)

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16
Q

Sources of cyanocobalamin

A

Think FLAME
Fish
Liver
Animal sources
Meat/milk
Eggs

17
Q

Functions of ascorbic acid (vitamin C)

A

Antioxidant
Forms collagen
Makes iron more absorbable
Bone health
Wound healing
Blood vessels

18
Q

Which vitamin is the most easily destroyed and why?

A

Ascorbic acid/vitamin C
It is susceptible to conditions that are too alkaline, hot, or oxidized
Requires acidic pH

19
Q

Deficiency symptoms of ascorbic acid (vitamin C)

A

Bleeding gum
Petechiae
Scurvy
Compromised wound healing
Iron-deficiency anemia

20
Q

Sources of ascorbic acid (vitamin C)

A

Think Cool Dietitians Probably Party Year-round
Citrus fruits
Dark green veggies
Papaya
Potatoes
Yellow veggies

CDR Exam - Mine (12 decks)

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