HY Nutrients Flashcards
1
Q
Vitamin A precursors
A
provitamin A carotenoids
2
Q
T/F
vitamin E supplements should be recommended
A
false, can be harmful
3
Q
vitamin K functions
A
- blood coagulation
- proteins in bone (osteocalcin)
4
Q
Which fat soluble vitamin is specifically repleted in newborns?
A
vitamin K
5
Q
vitamin C
A
- poor wound healing
- bleeding gums
- perifollicular hyperkeratosis
- petechial hemorrhage
- coiled hair
6
Q
causes of thiamin deficiency
A
- EtOH abuse
- poor dietary intake
- persistent vomiting
- hyperemesis gravidarum
- post bariatric surgery
- refeeding syndrome
7
Q
Beriberi
A
thiamin deficiency
peripheral edema, cardiomegaly, tachycardia
8
Q
Wernicke-Korsakoff
A
thiamin deficiency
progressive CNS disorder (ataxia, confusion, amnesia, confabulation)
9
Q
Niacin deficiency
A
4Ds dermatitis diarrhea dementia death
10
Q
folate deficiency
A
macrocytic anemia
neural tube defects
11
Q
B12 deficiency
A
via intrinsic factor deficiency, atrophic gastritis
- ->megaloblastic anemia
- ->neurologic: ataxia, impaired memory, mood changes
- -> glossitis
12
Q
vitamin B6 deficiency risk factors
A
- poor intake
- alcohol abuse
- medication use (ISONIAZID, corticosteroids)
13
Q
isoniazid –> deficiency of
A
B6
14
Q
B6 deficiency
A
weakness/fatigue confusion glossitis peripheral neuropathy UL: neuropathy
15
Q
Phytates impair
A
Fe (non-heme) and Zn absorption
