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Essential Biochemistry - Mineral Metabolism (Section 1)

1
The element that prevents the development of dental caries:
Answer
(A)
Fluorine
2
Hemochromatosis is due to excessive deposition of:
Answer
(A)
Iron in the form of hemosiderin
3
Carbonic anhydrase contains mineral:
Answer
(C)
Zinc
4
What are the common symptoms of selenium deficiency?
Answer
(D)
Both A and C
5
Iodine is required for the formation of:
Answer
(B)
Thyroxine
6
Element called "one way substance" is:
Answer
(A)
Iodine
7
Which of the following is NOT a function of sodium?
Answer
(D)
Needed for the development of the central nervous system
8
Which is the most abundant mineral in the body?
Answer
(A)
Calcium
9
The mineral having sparing action of vitamin E.
Answer
(D)
Selenium
10
Which of the following are functions of chromium?
Answer
A
B
11
Which of the following is the major extracellular cation?
Answer
(A)
Sodium
12
Wilson's disease is characterized by impaired:
Answer
(D)
All of the above
13
Which trace elements are involved in glucose metabolism?
Answer
A
D
14
Which factors impair calcium absorption?
Answer
B
C
15
Which trace element is essential for the activity of vitamin B12?
Answer
(C)
Cobalt
16
What is the normal range for hemoglobin in a 40-year-old woman?
Answer
(C)
120-140 g/L
17
What is the recommended daily allowance (RDA) of sodium for adults?
Answer
(A)
1-2 g NaCl per day
18
What are the symptoms of copper toxicity?
Answer
(D)
All of the above
19
The function of iodine is the synthesis of:
Answer
(A)
Thyroid hormones
20
What is the main mineral involved in the formation of bone and teeth?
Answer
(C)
Calcium
21
What is the RDA for selenium?
Answer
(B)
50-200 µg
22
The plasma concentration of sodium is normally:
Answer
(B)
135-145 mmol/L
23
Which of the following minerals is known as glucose tolerance factor (GTF)?
Answer
(A)
Chromium
24
Transport form of iron is:
Answer
(A)
Transferrin
25
What is the main dietary source of fluoride?
Answer
(A)
Drinking water
26
What is the main function of magnesium?
Answer
(C)
Enzyme activation
27
Intestinal absorption of iron is enhanced by:
Answer
(B)
Ascorbic acid
28
What is the dietary source for chromium?
Answer
(B)
Whole grains
29
Which of the following is a constituent of the enzymes for Molybdenum?
Answer
A
B
C
30
What is the recommended dietary allowance per day for adults for iodine?
Answer
(A)
100-150 µg
31
The major storage form of iron in:
Answer
(B)
Ferritin
32
What is the main function of selenium?
Answer
(B)
Antioxidant
33
In wound healing the following trace element is involved:
Answer
(B)
Zinc
34
Which of the following is a function of iron?
Answer
(D)
All of the above
35
What are the clinical features of hyperphosphatemia?
Answer
(D)
All of the above
36
Which of the following can affect the absorption of calcium?
Answer
A
C
D
37
Which of the following is a potential cause of hypocalcemia?
Answer
(B)
Vitamin D deficiency
38
What does excessive amounts of fluoride lead to?
Answer
(C)
Enamel mottling
39
What are the dietary sources of Iron?
Answer
A
B
C
D
40
Which is the mineral that contains the same ratio of iodine?
Answer
(C)
Both A & B
41
What is the primary function of phosphorus in the body?
Answer
(C)
Bone formation and energy storage
42
Which of the following is a deficiency symptom of fluoride?
Answer
(A)
Dental caries and osteoporosis
43
Which of the following is a common symptom of zinc deficiency?
Answer
(D)
All of the above
44
What are the functions of Zinc?
Answer
(D)
All of the above
45
What is the treatment for copper toxicity?
Answer
(B)
Penicillamine
46
Which of the following is the major intracellular cation?
Answer
(B)
Potassium
47
Which of the following are the functions of Fluoride?
Answer
A
B
C
D
48
What are the main dietary sources of Selenium?
Answer
(A)
Liver, kidney, seafoods, and meat
49
What is the normal range for hemoglobin in a 40-year-old man?
Answer
(A)
130-160 g/L
50
Which of the following is a dietary source of magnesium?
Answer
(C)
Nuts