Minerals Flashcards

1
Q

Iron overdose vs. Iron deficiency

A

iron overdose
-leading cause of poisoning fatalities in children under 6

iron deficiency
-ANEMIA
Severe cases may result in brittle and spoon-shaped nails (Koilonychia)

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

Iodine deficiency disorder vs. acute iodine poisoning

A

iodine deficiency
-GOITER earliest and most visible signs of iodine deficiency

acute iodine poisoning
-overdose is rare

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

On a cellular level the function of zinc can be divided into 3 categories

A

-catalytic
-structural (proteins and cell membrane)
-regulatory (binds to DNA and influences the transmission of genes)

Shellfish, nuts, legumes

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

Overdose of Zinc vs. severe zinc deficiency

A

overdose
-use of galvanized containers. Single doses of 225 to 450 induce omitting. Long-term excesses of zinc result in copper deficiencies

deficiency
-swelling and clouding of the cornea, characterizes skin rashes

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

Which mineral shifts forms in the body

A

Copper

Copper shifts b/w the cuprous (Cu+1) to cupric (Cu+2) forms.
The majority of the body’s copper is in the (Cu+2) form

This ability allows copper to easily accept and donate electrons contributing to redox reactions and in scavenging free radicals.

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

What essential enzymes need Copper to function

A

-Lysyl oxidase (maintain CT)
-enzymes that help metabolize iron and contribute to RBC

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

Copper deficiency vs. Copper overdose

A

deficiency
-may present itself as a form of anemia or in abnormally low numbers of WBC

overdose
-contamination of beverages/water by long-term storage in copper containing containers/pipes.
-Congenital Wilsons disease causes copper overload = kayser-fleischer ring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What mineral is stored in the bones, liver, kidney and pancreas?

A

Manganese

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

Which food is a major source of manganese

A

Whole grains

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

Which mineral rarely causes side effects when taken orally, but there are numerous symptoms when inhaled?

A

Manganese

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

Deficiency of manganese in the body can lead to

A

Infertility and bone malformation.

Since calcium, phosphorus and manganese work together in the body, supplements of manganese may increase as calcium and phosphorus consumption increases.
“Synergy”

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

Why is fluoride considered a trace elements?

A

Because only small amounts are present in the body. Humans do not require fluoride for life, yet its role in the prevention of tooth decay is well established. Small amounts of fluoride hardens tooth enamel (more resistant to acid) and stabilizes bone minerals

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

At usual intake levels Which mineral does not accumulate in soft tissue, but may accumulate in sclerotic plaques?

A

Fluoride

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

Major source of fluoride in the US.

A

Water

-grape juice,
-tea (in its leaves)
-sardines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Deficiency of fluoride vs. excessive fluoride

A

Increase risk of dental caries (tooth decay) for all ages

Xs. Under 6 yoa who ingest more than 2 or 3 times the recommended fluoride intake are at risk of a white specking of the teeth known as dental fluorosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the dietary form of chromium

A

Trivalent chromium = chromium 3

Chromium is important in the metabolism of fats and carbohydrates stimulating cholesterol and fatty acid synthesis

17
Q

Which mineral appears to enhance the action of insulin

A

Chromium 3 (trivalent chromium)

18
Q

Dietary form vs. non dietary form of chromium

A

Dietary form is good = chromium 3

Non-dietary form is bad = chromium 6 (hexavalent) used for industrial purposes. It is a strong skin irritant and is recognized as a carcinogen when inhaled

19
Q

Excessive chromium intake vs. deficiency

A

Excessive = no adverse effects from food or supplements

Deficiency = increasing the risk of diabetes
B/c chromium 3 enhances the action of insulin so w/o it you increase the risk of diabetes

20
Q

What are selenoproteins and what mineral is required for their functioning?

A

Selenoproteins are antioxidants enzymes which prevent cell damage
Selenium is required

21
Q

Which mineral appears to stimulate antibodies after you receive a vaccination ?

A

Selenium

22
Q

Which mineral protects the body from poisonous effects of heavy metals

A

Selenium

23
Q

What happened to the calf after it was fed a selenium deficient diet

A

It died of a heart attack

24
Q

Sources of Selenium

A

Vegiesss
How much in veggies depends on how much of the mineral was in the soil where the plants grew

Brewers yeast - may cause bloating

25
Q

Selenium overdose vs. deficiency

A

Too much = selenosis = loss of hair, nail brittleness,
-may increase dental caries

Deficient = rare in U.S yet can occur when
-person is fed through IV line
-Keshan disease = abnormality in heart muscle
-kashin-beck disease = joint and bone disease