week 11 quiz Flashcards

1
Q

vitamin C

A
  • antioxidant
  • helps with strong bones and wound healing
  • helps with iron absorption esp from plants
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

vitamin C deficiency

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

B vitamins

A
  1. thiamin
  2. riboflavin
  3. niacin
  4. pyridoxine
  5. folic acid
  6. cobalamin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

vitamin C toxicity

A

rare
kidney stones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

increase vitamin C intake in

A

pregnant/lactating women
smokers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

thiamin B vitamin

A
  • coenzymes for energy in CNS, cardiac, and GI
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

sources of thiamin

A

pork and ham

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

deficiency of thiamin

A

beriberi disease
wernicke – korsakoff syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

wernicke– korsakoff syndrome

A
  • neurological disorders in alcoholics
  • can cause dementia
  • due to malnutrition
  • in ED, treated with injection of B1
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

beriberi disease

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

thiamin toxicity

A

none

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

riboflavin functions

A

tissue building/ wound healing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

riboflavin deficiency

A
  • rare
  • ariboflavinosis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

sources of riboflavin

A

milk and chicken
destroyed by light!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

ariboflavinosis

A

affects mouth and tongue
- cheilosis and glossitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

riboflavin toxicity

15
Q

niacin (B3) functions

A
  • needs to be high dosages
  • lowers LDLs, cholesterol, and triglycerides
  • increases HDL
  • lowers risk for heart disease and CVA
16
Q

sources for niacin

A

meat and milk (chicken is better than beef)

16
Q

niacin toxicity

A

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

17
Q

niacin (B3) deficiency

A

pellagra
- dermatitis
- diarrhea
- dementia
- death

17
Q

pyridoxine (B6) sources

A

turkey
chicken
bananas
legumes
organ meats
pork

18
Q

pyridoxine (B9)

A
  • CNS neurotransmitter formation
  • RBC production
  • decreased morning sickness
19
Q

pyridoxine deficiency

A

rare
abnormal CNS function
anemia

19
Q

when to supplement pyridoxine (B6)

A

treatment from TB
oral contraceptives

20
pyridoxine toxicity
nerve damage w ataxia
21
folic acid (B9) functions
RBC production synthesis of DNA
22
sources of folic acid
citrus fruits green leafy veggies
23
folic acid toxicity
can hide B12 deficiency
24
folic acid deficiencies
aneima open nerual tube defects (ONTDs) - spina bifida
25
what B vitamin to supplement before and during pregnancy
B9!!!
26
fortified in grains in the US
B9
27
sources for B12 cobalamin
animal sources fortified in breads, cereals, pastas, juice, and soy milk
27
Cobalamin (B12) functions
RBC formation CNS myelin sheath think memory and cognition
28
deficiency of B12 cobalamin
pernicious anemia d/t lack of intrinsic factor which is secreted in stomach and binds to B12 to allow absorption
29
risk of deficiency of B12
vegans stomach reducing surgery gastric resection ulcers and elderly (decreased gastric avid)
30
31
31
32