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MINERAL METABOLISM- Part 11
See all quizzes of MINERAL METABOLISM- Part 11 here:
1 Iron absorption is hampered by
(A) In achlorhydria
(B) When ferritin content of intestinal mucosa is
low
(C) When saturation of plasma transferring is low
(D) When erythropoietic activity is increased
2. Daily iron requirement of an adult man
is about
(A) 1 mg (B) 5 mg
(C) 10 mg (D) 18 mg
3. Daily iron requirement of a woman of
reproductive age is about
(A) 1 mg (B) 2 mg
(C) 10 mg (D) 20 mg
4. All the following are good sources of iron
except
(A) Milk (B) Meat
(C) Liver (D) Kidney
5. Relatively more iron is absorbed from
(A) Green leafy vegetables
(B) Fruits
(C) Whole grain cereals
(D) Organ meats
6. Iron absorption from a mixed diet is about
(A) 1–5 % (B) 5–10 %
(C) 20–25 % (D) 25–50 %
7. Iron deficiency causes
(A) Normocytic anaemia
(B) Microcytic anaemia
(C) Megaloblastic anaemia
(D) Pernicious anaemia
8. Prolonged and severe iron deficiency can
cause astrophy of epithelium of
(A) Oral cavity (B) Oesophagus
(C) Stomach (D) All of these
9. All of the following statements about
bronzed diabetes are true except
(A) It is caused by excessive intake of copper
(B) Skin becomes pigmented
(C) There is damage to β cells of Islets of Langerhans
(D) Liver is damaged
10. The total amount of iodine in the body of
an average adult is
(A) 10–15 mg (B) 20–25 mg
(C) 45–50 mg (D) 75–100 mg
MINERAL METABOLISM 199
11. Iodine content of thyroid gland in an
adult is about
(A) 1–3 mg (B) 4–8 mg
(C) 10–15 mg (D) 25–30 mg
12. Daily iodine requirement of an adult is
about
(A) 50 μg (B) 100 μg
(C) 150 μg (D) 1 mg
13. Consumption of iodised salt is recommended
in
(A) Patients with hyperthyroidism
(B) Patients with hypothyroidism
(C) Pregnant women
(D) Goitre belt areas
14. All the following statements about
endemic goiter are true except
(A) It occurs in areas where soil and water have
low iodine content
(B) It leads to enlargement of thyroid gland
(C) It results ultimately in hyperthyroidism
(D) It can be prevented by consumption of
iodised salt
15. The total amount of copper in the body
of an average adult is
(A) 1 gm (B) 500 mg
(C) 100 mg (D) 10 mg
16. The normal range of plasma copper is
(A) 25–50 μg/dl (B) 50–100 μg/dl
(C) 100–200 μg/dl (D) 200–400 μg/dl
17. Copper deficiency can cause
(A) Polycythaemia (B) Leukocytopenia
(C) Thrombocytopenia (D) Microcytic anaemia
18. Daily requirement of copper in adults is
about
(A) 0.5 mg (B) 1 mg
(C) 2.5 mg (D) 5 mg
19. All the following statements about
ceruloplasmin are correct except
(A) It is a copper-containing protein
(B) It possesses oxidase activity
(C) It is synthesised in intestinal mucosa
(D) Its plasma level is decreased inWilson’s
disease
20. All the following statements about
Wilson’s disease are correct except
(A) It is a genetic disease
(B) The defect involves copper-dependent P-type
ATPase
(C) Copper is deposited in liver, basal ganglia
and around cornea
(D) Plasma copper level is increased in it
21. Which of the following statements about
Menke’s disease are true.
(A) It is an inherited disorder of copper metabolism
(B) It occurs only in males
(C) Plasma copper is increased in it
(D) Hair becomes steely and kinky in it
22. The total amount of zinc in an average
adult is
(A) 0.25–0.5 gm (B) 0.5–1.0 gm
(C) 1.5–2.0 gm (D) 2.5–5.0 gm
23. Plasma zinc level is
(A) 10–50 μg/dl (B) 50–150 μg/dl
(C) 150–250 μg/dl (D) 250–500 μg/dl
24. Zinc is a cofactor for
(A) Acid phosphatase
(B) Alkaline phosphatase
(C) Amylase
(D) Lipase
25. Zinc is involved in storage and release of
(A) Histamine (B) Acetylcholine
(C) Epinephrine (D) Insulin
26. Intestinal absorption of zinc is retarded
by
(A) Calcium (B) Cadmium
(C) Phytate (D) All of these
27. The daily zinc requirement of an average
adult is
(A) 5 mg (B) 10 mg
(C) 15 mg (D) 25 mg
28. Zinc deficiency occurs commonly in
(A) Acrodermatitis enteropathica
(B) Wilson’s disease
(C) Xeroderma pigmentosum
(D) Menke’s disease
29. Hypogonadism can occur in deficiency of
(A) Copper (B) Chromium
(C) Zinc (D) Manganese
30. Healing of wounds may be impaired in
deficiency of
(A) Selenium (B) Copper
