9. Nutrition Flashcards Preview

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Flashcards in 9. Nutrition Deck (25):
1

What vitamin deficiency is associated with bleeding problems?

Vitamin C - disrupts/weakens the blood vessel walls (without vitamin C, you can't crossbridge collagen)

2

What is the main problem with thiamine deficiency?

ATP depletion (pyruvate dehydrogenase doesn't work)

3

How does thiamine deficiency lead to dry beri beri?

Takes a lot of ATP to make myelin

4

What does wet beri beri refer to?

Cardiomyopathy in thiamine deficiency (wet = edema)

5

Patient with IV with dextrose suddenly develops nystagmus, ataxia, confusion - what happened?

Thiamine deficiency - the sugar used up all the thiamine and lead to acute Wernicke encephalopathy

6

What is pellagra?

Niacin deficiency - dermatitic rash in sun exposed areas

7

What amino acid is used to make niacin?

Tryptophan

8

What side effect is associated with niacin?

Flushing

9

What vitamin is an important cofactor in the synthesis of heme?

Pyridoxine (B6)

10

What is the most common cause of B6 deficiency?

Isoniazid

11

Why do patients with B6 deficiency develop neuro symptoms?

Trouble making neurotransmitters

12

Eating lots of raw eggs - what vitamin deficiency?

Biotin

13

What vitamin do you need to form oxaloacetate?

Biotin

14

Glutathione peroxidase requires what cofactor?

Selenium

15

Old person with smell and taste deficiency, rash on the face, poor wound healing - what mineral is deficient?

Zinc

16

What patient population is particularly zinc deficient?

Diabetes

17

Soluble vs. insoluble fiber can lower cholesterol?

Soluble

18

What 2 diseases do you restrict protein in?

1. Chronic renal failure
2. Cirrhosis of the liver (cannot metabolize ammonia)

19

What's the most common benign tumor in women?

Uterine leiomyoma

20

What's the most common benign tumor in men?

Lipoma

21

What does adenoma mean?

Benign tumor of a gland

22

Carcinoma vs. sarcoma?

Carcinoma - malignancy of epithelial tissue (squamous, adeno - glands, transitional cell - GU tract)

Sarcoma - malignancy of connective/mesenchymal tissue

23

What's the benign version of melanoma?

Nevus

24

S100 stains thing developed from what?

Neural crest

25

16 year old girl with LRQ pain and X ray shows calcifications?

Teratoma - calcification can be teeth, bones, etc.