Trace Minerals - Cobalt and Iodine Flashcards

1
Q

Which parts of the US require supplementation for Cobalt?

A

Certain areas of Florida and the Northeastern states

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

Functions of Cobalt

A
  1. Vitamin B12 molecule

2. Enzyme cofactor

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

Cobalt Deficiency Symptoms

A
1. General malnutrition
     listless, loss of appetite and wt, weak
2. Anemia
3. Degeneration of fat of liver
4. Breakdown products of hemoglobin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The only positive diagnosis of Co deficiency rests on response to…

A

Cobalt feeding

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

Minimum requirement of Cobalt is not established, however ______ is adequate.

A

0.1 ppm

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

Extremely hard pellets of a cobalt compound (Release of Cobalt is slow and lasts for several months)

A

Cobalt Bullet

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

What % of the body content of Iodine is in the thyroid gland?

A

60%

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

_________ primary function is the production of the hormone _______ which regulates the metabolic rate of the body.

A

The thyroid glands

Hormone - thyroxine

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

Thyroxine contains about ___% iodine and is a/an _______.

A

65%

Amino acid

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

Thyroxine is present in the protein…

A

Thyroglobulin (Diiodotyrosine also present)

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

Thyroxine can be synthesized by the body providing the diet contains ______ or ________.

A

Tyrosine or Phenylalanine

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

Thyroid removal results in?

A
  • Stunting development if done early in life

- In adults, premature aging, mental and physical sluggishness

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

What mineral may serve simply as a component of vitamin B12?

A

Cobalt

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

Mineral associated with thyroxine?

A

Iodine

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

Provide the principle site in the body where IODINE would be found

A

Thyroid Gland

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

Functions of Iodine

A
  1. Constituent of Thyroxine

2. Administering thyroxine stimulates body processes

17
Q

Thyroproteins stimulate body processes such as…

A

Milk and Egg Production

18
Q

Hypothyroid condition

A

LOW thyroxine secretion - low metabolic rate - tired condition; “downers”

19
Q

Hyperthyroid condition

A

HIGH thyroxine - high metabolic rate - hyperactive

20
Q

What is a common result of iodine deficiency?

A

Goiter - enlargement of the thyroid gland

21
Q

This is most likely to develop during periods of increased needs such as pregnancy and puberty - this will pass onto the offspring

A

Simple or Endemic goiter

22
Q

Due to a hyperactive gland - Graves’ disease - reverse symptoms as in hypothyroidism (above normal rate of activity)

A

Exophthalmic goiter

23
Q

What mineral is associated with the following reproductive problems?
Hairless and/or stillborn pigs

A

Iodine

24
Q

What mineral is associated with the following reproductive problems?
Deficient newborn foals are born weak and usually die because of their inability to stand and
suckle the mare.

A

Iodine

25
Q

Minimum requirement of Iodine is not established, however ______ will prevent goiter

A

0.2-1.0 ppm

26
Q

No practical toxicity for…

A

Iodine