I. Start the exam by click the “Start” button
MINERAL METABOLISM- Part 10
See all quizzes of MINERAL METABOLISM- Part 10 here:
1 The product of serum calcium concentration
(mg/dl) and serum inorganic phosphorous
concentration (mg/dl) is decreased in
(A) Rickets
(B) Hypoparathyroidism
(C) Hyperparathyroidism
(D) Renal failure
2. Serum inorganic phosphorous rises in all
the following conditions except
(A) Hypoparathyroidism
(B) Hypervitaminosis D
(C) Chronic renal failure
(D) After a carbohydrate-rich meal
3. Serum inorganic phosphorous decreases
in all the following conditions except
(A) Hyperparathyroidism
(B) Intestinal malabsorption
(C) Osteomalacia
(D) Chronic renal failure
4. Serum magnesium level ranges between
(A) 2–3 mg/dl (B) 3–5 mg/dl
(C) 6–8 mg/dl (D) 9–11 mg/dl
5. Magnesium ions are required in the
reactions involving
(A) NAD (B) FAD
(C) ATP (D) CoA
6. Normal range of serum sodium is
(A) 30–70 mEq/L (B) 70–110 mEq/L
(C) 117–135 mEq/L (D) 136–145 mEq/L
7. Sodium is involved in the active uptake
of
(A) D-Glucose (B) D-Galactose
(C) L-Amino acids (D) All of these
8. Aldosterone increases reabsorption of
sodium in
(A) Proximal convoluted tubules
(B) Ascending limb of loop of Henle
(C) Descending limb of loop of Henle
(D) Distal convoluted tubules
9. Restriction of sodium intake is commonly
advised in
(A) Addison’s disease (B) Diarrhoea
(C) Hypertension (D) None of these
10. Serum sodium level rises in all of the
following except
(A) Renal failure
(B) Prolonged steroid therapy
(C) Aldosteronism
(D) Dehydration
11. Hyponatraemia occurs in the following
condition:
(A) Addison’s disease (B) Chronic renal failure
(C) Severe diarrhoea (D) All of these
12. Serum potassium level decreases in
(A) Familial periodic paralysis
(B) Addison’s disease
(C) Renal failure
(D) All of these
13. Concentration of the following is higher
in intracellular fluid than in extracellular
fluid:
(A) Sodium (B) Potassium
(C) Chloride (D) Bicarbonate
14. Normal range of serum potassium is
(A) 2.1-3.4 mEq/L (B) 3.5-5.3 mEq/L
(C) 5.4–7.4 mEq/L (D) 7.5–9.5 mEq/L
15. Normal range of serum chloride is
(A) 24–27 mEq/L (B) 70–80 mEq/L
(C) 100–106 mEq/L (D) 120–140 mEq/L
16. An extracellular fluid having a higher
concentration of chloride than serum is
(A) Bile (B) Sweat
(C) CSF (D) Pancreatic juice
17 Total amount of iron in an adult man is
about
(A) 1–2 gm (B) 2–3 gm
(C) 3–4 gm (D) 6–7 gm
18. Haemoglobin contains about
(A) 30% of the total body iron
(B) 50% of the total body iron
(C) 75% of the total body iron
(D) 90% of the total body iron
19. About 5% of the total body, iron is present
in
(A) Transferrin (B) Myoglobin
(C) Cytochromes (D) Haemosiderin
20. Each haemoglobin molecule contains
(A) One iron atom (B) Two iron atoms
(C) Four iron atoms (D) Six iron atoms
21. Each myoglobin molecule contains
(A) One iron atom (B) Two iron atoms
(C) Four iron atoms (D) Six iron atoms
22. Apoferritin molecule is made up of
(A) Four subunits (B) Eight subunits
(C) Ten subunits (D) Twenty-four subunits
23. Ferritin is present in
(A) Intestinal mucosa (B) Liver
(C) Spleen (D) All of these
24. Iron is stored in the form of
(A) Ferritin and transferrin
(B) Transferrin and haemosiderin
(C) Haemoglobin and myoglobin
(D) Ferritin and haemosiderin
25. Iron is transported in blood in the form
of
(A) Ferritin (B) Haemosiderin
(C) Transferrin (D) Haemoglobin
26. Molecular weight of transferrin is about
(A) 40,000 (B) 60,000
(C) 80,000 (D) 1,00,000
27. Normal plasma iron level is
(A) 50100 μg/dl (B) 100150 μg/dl
(C) 50175 μg/dl (D) 250400 μg/dl
28. Iron is present in all the following except
(A) Peroxidase (B) Xanthine oxidase
(C) Aconitase (D) Fumarase
29. Total daily iron loss of an adult man is
about
(A) 0.1 mg (B) 1 mg
(C) 5 mg (D) 10 mg
30. Iron absorption is hampered by
(A) Ascorbic acid (B) Succinic acid
(C) Phytic acid (D) Amino acid
