Micronutrients Flashcards

1
Q

Micronutrients are needed in relatively _________ amounts, and they enable the body to produce _________, __________, and other substances essential for growth and development.

A
SMALL
\+
ENZYMES
\+
HORMONES
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2
Q

Micronutrients are tiny, but consequences of their absence are __________.

A

SEVERE

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3
Q

Name the 2 subgroups of Micronutrients?

A

VITAMINS
+
MINERALS

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4
Q

What are the 4 typical measurements used in terms of dosage of vitamins and minerals?

A
RDA, RECOMMENDED DIETARY ALLOWANCE
(amt req to avoid deficiency)
\+
AI, ADEQUATE INTAKE
(recommended average daily intake)
\+
DRI, DIETARY REFERENCE INTAKE
(amt required for optimal health)
\+
UL, UPPER LIMIT
(limit to avoid toxicity, only applies to fat-soluble vitamins)
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5
Q

A vitamin is organic, and many are ____-___________, bound to protein assisting in biological activities.

A

CO-ENZYMES

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6
Q

Name the form of vitamin either produced by intestinal flora or assembled from raw material?

A

PRO-VITAMINS

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7
Q

What are the 2 main groups of vitamins?

A

WATER SOLUBLE
+
FAT SOLUBLE

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8
Q

Name the 4 (fat) lipid-soluble vitamins?

A

VITAMIN A, D, E and K

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9
Q

What is the name for vitamin toxicity that can arise from fat-soluble vitamins?

A

HYPERVITAMINOSIS

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10
Q

Fat soluble vitamins are absorbed and stored particularly in the liver in which type of cell?

A

HEPATOCYTE

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11
Q

Name the 2 most common forms of Vitamin A, and what they’re great for?

A
RETINOL - animal sources
\+
BETA-CAROTENE - plant sources
\+
NIGHT VISION and PERIPHERAL VISION
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12
Q

What is required for adequate absorption of both types of Vitamin A? (2)

A

BILE SALTS
+
DIETARY LIPIDS

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13
Q

Which vitamin do pregnant woman need to be careful not to over-ingest, for risk of birth defects?

A

A

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14
Q

The sunshine vitamin, vitamin _____, regulates ___________ and ____________.

A
D
\+
CALCIUM
\+
PHOSPHORUS

(bone growth)

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15
Q

A deficiency in Vitamin D can lead to which 2 things in adults, and which presentation in children?

A

OSTEOPEROSIS
+
OSTEOMALACIA
(RICKETS IN CHILDREN)

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16
Q

Vitamin ____ is a powerful antioxidant, protecting cells from oxidization and neutralizing unstable ________ __________.

A

E
+
FREE RADICALS

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17
Q

A free radical is a toxic byproduct of __________ metabolism.

A

OXYGEN

18
Q

Vitamin E promotes healthy ________ and ________.

A

HAIR and SKIN

19
Q

Deficiency of Vitamin E can lead to which 2 things?

A

HEMOLYTIC ANEMIA
+
FAT MALABSORPTION

20
Q

The functions of vitamin K include ________ formation, and ________ ___________.

A

BONE formation
+
BLOOD CLOTTING

(vitamin K)

21
Q

Name the 3 forms of water soluble vitamins, absorbed directly into intestinal cells?

A
B COMPLEX
\+
VITAMIN C
\+
VITAMIN H

(water soluble)

22
Q

Deficiency of which vitamin can lead to beri-beri, the partial paralysis of smooth mm of GI tract?

A

B1

23
Q

Name the water soluble version of Vitamin A?

A

B2 (Riboflavin)

24
Q

What deficiency can arise from not having enough B2 (Riboflavin)?

A

ARIBOFLAVINOSIS

eye disorders, inflamed cracked mouth

25
Q

Vitamin B3 is required for proper _____________ and healthy skin, and a deficiency would cause what?

A

B3
CIRCULATION
+
PELLEGRA (diarrhea, dermatitis, dementia)

26
Q

Name the vitamin responsible for production of adrenal and steroid hormones?

A

VITAMIN B5

deficiency, burning foot

27
Q

Vitamin _______ is required for neurotransmitter synthesis, and is a _________, good for those suffering with water retention.

A

B6
+
DIAURETIC

(deficiency KIDNEY STONES)

28
Q

Which vitamin prevents neuro tube defects, such as cleft palette?

A

B9

29
Q

What can a deficiency of B12 lead to? (2)

A

ANEMIA
+
NEUROLOGICAL DEFECT

30
Q

Name the antioxidant vitamin, which can protect the body from bruising, and the deficiency when not enough is ingested?

A

VITAMIN C
+
SCURVY (slow healing, loose teeth, growth probs)

31
Q

Vitamin ______ helps strengthen hair and nails.

A

H (Biotin)

32
Q

How are Vitamins different from Minerals?

A

VITAMINS - ORGANIC - FROM PLANTS/ANIMALS
+
MINERALS - INORGANIC - FROM EARTH

33
Q

List the 7 major MACROMINERALS?

A
CALCIUM
\+
MAGNESIUM
\+
SODIUM
\+
CHLORIDE
\+
SULFER
\+
PHOSPHORUS
\+
POTASSIUM
34
Q

Small imbalances of macrominerals can be potentially _______.

A

FATAL

35
Q

Name the most abundant mineral in the human body, of which the absorption depends on Vitamin D?

A

CALCIUM

bones, blood clotting, brain signals, rickets, osteos, HYPOCALCEMIA

36
Q

Magnesium affects nervous and muscular systems, and a deficiency can cause what? (3)

A
MOOD CHANGES
\+
MM CRAMPS/WEAKNESS
\+
HEADACHES
37
Q

__________ aids in maintaining acid-base balance in body, and water balance in mm contractions and nerve impulses.

A

SODIUM

38
Q

Name the mineral integral for the formation of cartilage, hair and nails, which aids in gastric juice formation?

A

CHLORIDE (CI)

39
Q

Which mineral aids in the formation of bones and teeth?

A

PHOSPHORUS

40
Q

Which mineral regulates blood pressure?

A

POTASSIUM (K)

41
Q

What are the 9 microminerals?

A
IRON
\+
CHROMIUM
\+
COPPER
\+
IODINE
\+
FLOURIDE
\+
MOLYBDENUM
\+
MANGANESE
\+
SELENIUM
\+
ZINC