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Boards- Dumb Topics > Nutrition/Vits > Flashcards

Nutrition/Vits Flashcards

1
Q

Vit A Role

A

growth + cell development
-promotes healthy skin, hair, nails, gums, glands, bones, teeth and night vision

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2
Q

Sources of Vit A

A

Salmon (other cold water fish)
-Egg yolks
-Fortified products
-Spinach

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3
Q

What is Vit B1 and what is it important for

A

-Thiamine
Necessary for growth, development and function of cells

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4
Q

Sources of thiamine (B1)

A

Yeast, legumes, pork, brown rice, fortified breakfast cereals

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5
Q

What does a def of Vit B1 (thiamine) cause

A

Beriberi/Wernicke-Korsakoff syndrome

s/s- double vision, ptosis, irregular eye mvmts, loss of mm codination, confused mental state, amnesia

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6
Q

What is Vit B2 and what does it do

A

Riboflavin
-Helps break down macros, and important for energy supply, maintains mucus membranes

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7
Q

Sources of VIt B2

A

Fish, chicken, beef, turkey eggs

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8
Q

What does Vit B2 def cause

A

poor diet or chronic alcoholism

-Angular chelitis, cracked and dry lips, mouth ulcers

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9
Q

What is Vit B3 and sources

A

Niacin
-Yeast, milk, meat, cereal grains

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10
Q

What is the Vit B3 def

A

Pellagra
Diarrhea
Demenntia
Death
dermantitis

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11
Q

What is Vit B5 and roles

A

Pantothenic acid
-converts food to energy
-critical to the manufacturing of RBCs, sex and stress related hormones
-needed to synthesize cholesterol

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12
Q

What is vit B6 and role

A

Pyroxidine
-for normal brain development and for keeping nervous system and immune system healthy thru NT synthesis and histamine synthesis

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13
Q

What is Vit B7 and role

A

Biotin
-popularized as a way to prevent hair loss and restore hair growth as well as improve health of nails

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14
Q

What is Vit B9 and role

A

Folate

-breaks down homocysteine, needed to produce healthy RBC, critical during periods of rapid growth and during preg

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15
Q

What happens in def of VIt B9

A

mc causes megaloblastic amenia or Neural tube defects

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16
Q

What is Vit B12 and how is it absorbed

A

Combines with intrinsic factor to then be absorbed within the distal ileum

17
Q

What happens in a def of Vit B12

A

pernicious anemia

18
Q

What is the role of Vit K + sources

A

plays an important role in blood clotting to prevent excessive bleeding from occurring

-Leafy greens, meats, cheeses

19
Q

What happens in a Vit K def

A

typically in those with thrones or celiac
ss- can increase clotting time, leading to excessive bleedeing

20
Q

def of calcium effects

A

mm cramps
numbness/tingling
convulsions
lethargy
osteoperosis
heart arrthmyias

21
Q

Why does a potassium def happen and s/s

A

occurs as a result of excessive diarrhea or dietary depletion

-constipatuon, fatigue, mm weakness, malaise

22
Q

Magnesium sources

A

Legumes, nuts seeds, milk, yogurt

23
Q

When does a megnesium def occur

A

Long standing kidney disease or thrones
-loss of appetite, nausea, vommiting, fatigue, weakness

24
Q

What are the essential aminos

A

PVT TIM HALL

Phenyalanine
Valine
Tryptophin

Threonine
isoleucine
methione

Histidine
Arginine
leucine
lysine

25
Q

what is the primary/secondary/tertiary/quadrantry structure of of protein

A

primary- linear sequence of aa forming chain

Secondary- a helix or b pleated sheets

Tertiary sturcture- the twisted or pleated secondary form is folded on itself

quad- ex hemo

26
Q

what are the 3 subunits of nucleotides

A

Pentose sugar (ribose/deoxyribose)
nitrogen base (purine/pyrimadine)
Phosphate group

27
Q

what are the pyrimidine bases

A

Cut The PY

Cytosine
Urasile
Thymine

28
Q

What are the Purines

A

PURe As Gold

Adenin
guanine

29
Q

what are the link ups in DNA/rna

A

C+G for Dna/RNa
A+T for DNA
A+U for RNA

30
Q

how is DNA made

A

DNA polymerase catalyzes synthesis of DNA and RNA serves as the primer for DNA (5-3)

31
Q

How is RNA synthesis doen and what is the enzyme

A

Transcription involves DNA template and initiated the RNA polymerase

3 forms (mRNA, tRNA, mRNA)

32
Q

How is protein made

A

mRNA moves out of nucleus into the cytoplasm where it will carry the code to ribo

tRNA brings amino aa to rRNA in endoplasmic reticulum

TransCription comes before TransLation (c before L)

Boards- Dumb Topics (10 decks)

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