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NTR 222 > Final Exam - Vitamins > Flashcards

Final Exam - Vitamins Flashcards

1
Q

Name the Fat Soluble Vitamins

A

A D E K

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2
Q

Name the Water Soluble Vitamins

A

All but A D E K

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3
Q

Describe The Function of Vitamin B-12

A

Nerve cell maintenance (found in membrane) and It’s a part of coenzymes used in cell synthesis

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4
Q

Describe The Function of Vitamin A

A

Vision; Maintenance of cornea, Tissues (epithelial cells, mucous membranes, & skin). Bone metabolism; reproduction; immunity

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5
Q

Describe The Function of Vitamin K

A

Blood clotting and production of osteocalcin

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6
Q

Describe The Function of Folic Acid

A

Coenzymes used in DNA synthesis so critical for new cell formation; Formation of neural tube during pregnancy

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7
Q

Describe The Function of Vitamin B1 (Thiamin)

A

Part of Coenzyme TPP Used in energy Metabolism in the Krebs cycle

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8
Q

Describe The Function of Beta-Carotene

A

Vitamin A Precursor and an antioxidant

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9
Q

Describe The Function of Vitamin D

A

Calcium & Phosphorus Absorption; immune Function; Calcium Homeostasis (Study Chart in Evernote!!)

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10
Q

Describe The Function of Vitamin B2 (Riboflavin)

A

Part of Coenzymes used in energy metabolism and krebs cycle

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11
Q

Describe The Function of Vitamin C

A

Collagen Synthisis and Neurotransmitters; Antioxidant

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12
Q

Describe The Function of Vitamin E

A

Antioxidant; fights free radicals; prevents oxidation of polyunsaturated fats and protection of cell membranes

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13
Q

Describe The Function of Vitamin B3 (Niacin)

A

Coenzymes used in energy metabolism and krebs cycle

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14
Q

Vitamin C Toxicity

A

Stomach cramping and diarrhea in some. No symptoms in others

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15
Q

Beta-Carotene Toxicity

A

Orange skin

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16
Q

Vitamin A Toxicity

A

Decreased Bone Density; Birth defects; Liver Abnormalities

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17
Q

Vitamin B3 (Niacin) toxicity

A

Painful Flushing; Liver Damage; Impaired Glucose Tolerance

18
Q

Vitamin D Toxicity

A

Calcification of soft tissue because of Elevated Blood Calcium

19
Q

Why do blood levels of calcium increase with Vitamin D toxicity?

A

because it encourages retention of calcium in blood and decreases it’s excretion in urine. (See Chart)

20
Q

Vitamin B12 Toxicity

A

None Known

21
Q

Vitamin K Toxicity

A

Interference with Blood Thinning Meds

22
Q

Vitamin E Toxicity

A

Hemorrhaging; Increased effect of anticlotting meds

23
Q

Vitamin B1 (Thiamin) toxicity

A

None known

24
Q

Folic Acid Toxicity

A

Masking of symptoms of B12 Deficiency (corrects Megoblastic Anemia)

25
Q

What causes mesoblastic Anemia?

A

Deficiency of B12 or Folic Acid

26
Q

Deficiency of Vitamin C

A

Scurvy

27
Q

Symptoms of scurvy

A

pinpoint bleeding, bleeding gums, abnormal bone growth, jaw pain

28
Q

B2 (Riboflavin) deficiency

A

Inflammation of mouth, skin and eyelids

29
Q

Deficiency of Beta-Carotene

A

None; it is only a precurser

30
Q

Deficiency of Vitamin A

A

Night Blindness; Impaired immunity (infectious disease); Hyperkeratosis (formation of white Lumps on Skin)

31
Q

Deficiency of Vitamin B3 (Niacin)

A

The Disease Pellagra; inflamed, smooth, bright red toungue

32
Q

Deficiency of Vitamin D

A

In adults: osteomalacia

In Kids: Rickets

33
Q

What are the symptoms of Pellagra and what causes the disease?

A

4D’s Diarrhea, Dementia, Dermatitis, Death. Deficiency of Niacin (B2),

34
Q

Symptoms of Rickets

A

Bowing Legs; Malformation of skull, ribs, & ends of long bones. Respiration, brain development, and tooth spacing can be affected by this

35
Q

What is osteomalacia

A

Softening of bone

36
Q

Deficiency of Vitamin B12

A

Pernicious anemia(megaloblastic anemia); Peripheral Nerve Damage & Paralysis; Sore Tongue

37
Q

Deficiency of Vitamin K

A

Hemorrhaging (because blood is thin)

38
Q

Deficiency of Vitamin E

A

Nerve Damage, Erythrocyte Hemolysis

39
Q

Deficiency of Vitamin B1 (thiamin)

A

Beriberi (Edema & Muscle Wasting); Enlarged Heart and Heart Failure

40
Q

Deficiency of Folic Acid

A

Megaloblastic Anemia; Smooth red tongue; Mental Confusion, Increased risk of Neural tube defects

NTR 222 (10 decks)

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