Sign In

Essential Biochemistry - Mineral Metabolism (Section 3)

1
Where in the body is excess copper deposited in Wilson's disease?
Answer
A
B
C
2
Which of the following are functions of Calcium?
Answer
A
B
C
D
3
The role of iodine in the body is:
Answer
(B)
Synthesis of thyroxine
4
Hemochromatosis is due to excessive deposition of:
Answer
(A)
Iron in the form of hemosiderin
5
The mineral that is a component of hemoglobin is:
Answer
(B)
Iron
6
Which of the following is a function of selenium?
Answer
(B)
Acts as an antioxidant
7
Iodine is required for the formation of:
Answer
(B)
Thyroxine
8
What is a symptom of hypocalcemia?
Answer
(A)
Muscle spasms
9
Which of the following enhances the absorption of iron?
Answer
(B)
Ascorbic acid
10
Which of the following is not a function of PTH?
Answer
(B)
Increases the excretion of calcium in the kidney
11
What is the main function of selenium in the body?
Answer
(B)
Antioxidant
12
Excess of fluoride results in:
Answer
(C)
Mottled teeth
13
The element that prevents the development of dental caries:
Answer
(A)
Fluorine
14
What is the main function of chloride in the body?
Answer
(A)
Regulation of osmotic pressure and fluid balance
15
Which clinical condition is related to plasma chloride level alterations?
Answer
(B)
Hypochloremia
16
A deficiency of iodine during pregnancy can lead to:
Answer
(B)
Cretinism in the child
17
The normal intake of iron is about:
Answer
(C)
15-20 mg/day
18
Glutathione peroxidase contains:
Answer
(C)
Selenium
19
Which of the following is NOT a role of iron?
Answer
(C)
Synthesis of thyroid hormones
20
The adult human body contains about:
Answer
(C)
50 mg of Iodine
21
The deficiency of Iodine leads to:
Answer
A
B
22
The major storage form of iron is:
Answer
(C)
Ferritin
23
Which hormone is primarily responsible for the regulation of calcium levels?
Answer
(C)
Parathyroid hormone
24
What is the main function of iodine in the body?
Answer
(A)
Thyroid hormone synthesis
25
Carbonic anhydrase contains mineral:
Answer
(C)
Zinc
26
Which of the following minerals is known as glucose tolerance factor (GTF)?
Answer
(A)
Chromium
27
Manganese acts as a cofactor or activator of which of the following?
Answer
A
B
C
28
Which mineral is important for bone and tooth formation?
Answer
(B)
Fluoride
29
Iron deficiency leads to:
Answer
(A)
Anemia
30
What is the function of magnesium?
Answer
(B)
Magnesium activates many enzymes
31
Which of the following is a function of zinc?
Answer
A
C
32
The plasma calcium concentration in normal individuals is approximately?
Answer
(C)
8-10 mg/dL
33
Which of the following is true about the absorption of phosphate?
Answer
(B)
It is increased by acidic pH
34
What is the recommended dietary allowance (RDA) of sodium per day for adults?
Answer
(A)
1-3 g NaCl
35
The most important role of iodine in the body is in the synthesis of:
Answer
(A)
Thyroid hormones
36
In Wilson's disease, deposition of copper occurs in:
Answer
A
B
C
37
The best sources of iron in diet include:
Answer
A
B
D
38
The mineral having sparing action of vitamin E.
Answer
(C)
Iodine
39
Which of the following is a dietary source of zinc?
Answer
(D)
All of the above
40
What is the main symptom of the excessive intake of selenium?
Answer
(B)
Alkai disease
41
Element called "one way substance" is:
Answer
(B)
Iron
42
The absorption of iron takes place in the:
Answer
(B)
Duodenum
43
Transferrin is involved in:
Answer
(C)
Transport form of iron in.
44
Recommended dietary allowance of fluoride per day is:
Answer
(A)
1.5-4 mg
45
What are the key functions of sulfur?
Answer
(A)
Constituent of certain amino acids
46
Which of the following is a cause of iron deficiency?
Answer
A
C
47
Which of the following minerals stimulates secretion of PTH?
Answer
(B)
Magnesium
48
Which of the following is a function of manganese?
Answer
(B)
Synthesis of cholesterol
49
Which of the following is a major dietary source of fluoride?
Answer
(B)
Drinking water
50
Which of the following is the major anion in the extracellular fluid space?
Answer
(B)
Chloride