week 11 quiz

Question 1

vitamin C

Answer 1

• antioxidant
• helps with strong bones and wound healing
• helps with iron absorption esp from plants

Question 2

vitamin C deficiency

Answer 2

scurvy
- lethargy
- bleeding gums
- loose teeth
- bone fractures

Question 3

B vitamins

Answer 3

1. thiamin
2. riboflavin
3. niacin
4. pyridoxine
5. folic acid
6. cobalamin

Question 3

vitamin C toxicity

Answer 3

rare
kidney stones

Question 3

increase vitamin C intake in

Answer 3

pregnant/lactating women
smokers

Question 4

thiamin B vitamin

Answer 4

• coenzymes for energy in CNS, cardiac, and GI

Question 5

sources of thiamin

Answer 5

pork and ham

Question 6

deficiency of thiamin

Answer 6

beriberi disease
wernicke – korsakoff syndrome

Question 7

wernicke– korsakoff syndrome

Answer 7

• neurological disorders in alcoholics
• can cause dementia
• due to malnutrition
• in ED, treated with injection of B1

Question 8

beriberi disease

Answer 8

affects PNS
paralysis
“i can’t i can’t”

Question 9

thiamin toxicity

Answer 9

none

Question 10

riboflavin functions

Answer 10

tissue building/ wound healing

Question 11

riboflavin deficiency

Answer 11

• rare
• ariboflavinosis

Question 12

sources of riboflavin

Answer 12

milk and chicken
destroyed by light!

Question 13

ariboflavinosis

Answer 13

affects mouth and tongue
- cheilosis and glossitis

Question 14

riboflavin toxicity

Answer 14

none

Question 15

niacin (B3) functions

Answer 15

• needs to be high dosages
• lowers LDLs, cholesterol, and triglycerides
• increases HDL
• lowers risk for heart disease and CVA

Question 16

sources for niacin

Answer 16

meat and milk (chicken is better than beef)

Question 16

niacin toxicity

Answer 16

skin flushing and itching
liver damage with hyperglycemia
MD should supervise increased doses

Question 17

niacin (B3) deficiency

Answer 17

pellagra
- dermatitis
- diarrhea
- dementia
- death

Question 17

pyridoxine (B6) sources

Answer 17

turkey
chicken
bananas
legumes
organ meats
pork

Question 18

pyridoxine (B9)

Answer 18

• CNS neurotransmitter formation
• RBC production
• decreased morning sickness

Question 19

pyridoxine deficiency

Answer 19

rare
abnormal CNS function
anemia

Question 19

when to supplement pyridoxine (B6)

Answer 19

treatment from TB
oral contraceptives

Question 20

pyridoxine toxicity

Answer 20

nerve damage w ataxia

Question 21

folic acid (B9) functions

Answer 21

RBC production
synthesis of DNA

Question 22

sources of folic acid

Answer 22

citrus fruits
green leafy veggies

Question 23

folic acid toxicity

Answer 23

can hide B12 deficiency

Question 24

folic acid deficiencies

Answer 24

aneima
open nerual tube defects (ONTDs)
- spina bifida

Question 25

what B vitamin to supplement before and during pregnancy

Answer 25

B9!!!

Question 26

fortified in grains in the US

Answer 26

B9

Question 27

sources for B12 cobalamin

Answer 27

animal sources
fortified in breads, cereals, pastas, juice, and soy milk

Question 27

Cobalamin (B12) functions

Answer 27

RBC formation
CNS myelin sheath
think memory and cognition

Question 28

deficiency of B12 cobalamin

Answer 28

pernicious anemia
d/t lack of intrinsic factor which is secreted in stomach and binds to B12 to allow absorption

Question 29

risk of deficiency of B12

Answer 29

vegans
stomach reducing surgery
gastric resection
ulcers and elderly (decreased gastric avid)