water soluble vitamins

Question 1

thiamin population at risk

Answer 1

alcoholics

Question 1

coenzyme

Answer 1

• all b vitamins form coenzymes, small organic molecules that combine w inactive enzyemes to form active enzymes
  function in energy metabolism

Question 2

thiamin deficiency

Answer 2

beriberi
wernicke korsakoff

Question 3

riboflavin coenzyme

Answer 3

FMN and FAD

Question 4

riboflavin name of def

Answer 4

ariboflavinosis

Question 5

niacin coenzyme

Answer 5

NAD and NADP

Question 6

niacin synthesis

Answer 6

body can synthesize from tryptophan (amino acid)

Question 7

Niacin deficiency

Answer 7

pellagra

Question 8

pantothenic acid

Answer 8

AcCoA

Question 9

B6 storage site

Answer 9

stored in muscle tissue

Question 10

B6 risk of toxicity

Answer 10

irreversible nerve damage

Question 11

B6 anemia

Answer 11

microcytic hypochromic anemia (less hemoglobin in each RBC and smaller size of each RBC)

Question 12

biotin synthesis

Answer 12

• can be synthesized by microbes

Question 13

biotin deficiency

Answer 13

• ezcessive consumption of raw eggs
  avidin inactives biotin

Question 14

choline functions

Answer 14

component of ppl
help carnitine move fatty acids into the cells
precursor for acetylcholine
help export VLDL from the liver

Question 15

folate dietary sources

Answer 15

legumes, leafy greens, avocados, oranges

Question 16

folate vs folic acid

Answer 16

1 mcg food folate = 0.6 mcg folic acid taken w food

Question 17

folate as a coenzyme

Answer 17

DNA synthesis, converts vit B12 to coenzyme form

Question 18

folate deficiency during preg

Answer 18

spina bifida, anecephaly
neural tube defects
no development of spinal cord (20-28 days post conception)

Question 19

folate deficiency anemia

Answer 19

megaloblastic, macrocytic anemai

Question 20

vitamin b12 dietary sources

Answer 20

naturally found in only animal producst

Question 21

b12 populations at risk of deficiency

Answer 21

stored in liver
vegans
malabsorption
less stomach acid (old ppl)

Question 22

b12 absorption

Answer 22

1. salivary glands produce R-protein
2. HCL and pepsin release vit b12 bound to protein in food
3. intrinsic factor secreted
4. vit b links with IF
5. vit b and IF compound absorbed into blood
6. excess b12 stored in liver

Question 23

b12 anemia a deficiency causes

Answer 23

macrocytic anemia

Question 24

vitamin C sources

Answer 24

citrus, peppers, green veg

Question 25

vitamin C deficiency

Answer 25

scurvy

Question 26

vitamin C pop at high risk of def

Answer 26

smokers,

Question 27

vita C function

Answer 27

antioxidant, collagen

Question 28

vitamin C and non heme iron

Answer 28

enhances non heme iron absorption

Question 29

biotin

Answer 29

coenzyme in carboxylase reactions (incorporate CO2 in a substrate)

Question 30

thiamin coenzyme

Answer 30

TPP (thiamin pyrophosphate)

Question 31

food sources of thiamin

Answer 31

wide variety of small amt of foods

Question 32

vitamin b6 functions

Answer 32

PLP coenzyme involved in transamination
synthesis of heme