MCQ test- Minerals and Hormone action

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18. zinc is present in all enzymes, except:

1 point

a. alkaline phosphatase

b. amylase

c. carbonic anhydrase

d. carboxy peptidase

Other:

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7. The dietary requirementof iron per day in a menstruating women is

1 point

a. 5 mg

b. 20 mg

c. 50 mg

d. 100mg

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29. The following are the intracellular second messenger for hormone action, except:

1 point

a) c-AMP

b) c-GMP

c) Phosphatidylinositol

d) NADPH

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15. which one of the following is not the sign of fluorosis?

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a. mottling of enamel

b. genu valgum

c. scoliosis

d. kyphosis

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19. Daily requirement of the iodine for an adult is

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a. 15-20 microgram

b. 150-200 microgrm

c. 800-900 microgrm

d. 1-2 milligram

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30. Second messenger that mobilizes intracellularcalcium is:

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a) Phosphatidic acid

b) Diacylglycerol

c) Inositol triphosphate

d) c-GMP

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23. Which of the following is wrongly matched:

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a. Folate-Anemia

b. Zinc-Immunodeficiency

c. Iodine –Dry Skin

d. Iron-Anemia

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21. which hormone acts through CAMP?

1 point

a. Mineralocorticoids

b. Estrogen

c. catecholamines

d. thyroxine

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4. which one of the following is not engaged in calcium homeostasis.

1 point

a. T3 and T4

b. PTH

c. Calcitonin

d. Calcitriol

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25.Cardiomyopathy is due to deficiency o

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a. Selenium

b. Phosphorus

c. Boron

d. Zinc

e. Iron

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20. The following trace elements having antioxidant role

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a. chromium

b. zinc

c. selenium

d. nickel

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27.Copper involves collagen synthesis by

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a. Lysyl oxidase

b. Lysyl hydroxylase

c. Cytochrome oxidase

d. Tyrosinas

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28. Selenium is a cofactor in the following enzyme:

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a. Glutathione Peroxidase

b. Cytochrome Oxidase

c. Cytochrome Reductase

d. Xanthine Oxidase

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8. the temporary storage form of iron in intestinal mucosal cells is

1 point

a. Hemosiderin

b. transferrin

c. ferritin

d. hepcidin

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12. which one of the following copper containing protein has Intrinsic ferroxidase activity that oxidise iron.

1 point

a. Ceruloplasmin

b. metallothionein

c. albumin

d. all the above

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2.cGMP is the second massenger for

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a.Insulin

b.Growth hormone

c.ANF

d.Testosterone

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9. The disorder commonly observed in persons receiving repeated blood transfusions is

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a. iron deficiency anemia

b. wilson's disease

c. pernisious anemia

d. hemosiderosis

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3. The receptor of the following hormone has intrinsic tyrosine kinase activity

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a. Insulin

b. ADH

c. Glucagon

d. Glucocorticoids

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16. chromium facilitates the action of the following hormone

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a. insulin

b. glucagon

c. cortisol

d. progesterone

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24. Which of the following is a non-essential metal/mineral?

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a. Sodium

b. Manganese

c. Iron

d. Lead

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5. sulphur is present in all the following vitamins, except

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a. biotin

b. pyridoxine

c. thiamine

d. lipoic acid

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6. Total iron binding capacity (TIBC) of plasma is reffered as the maximaum iron binding capacity of the following protein.

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a. transferrin

b. hemosiderin

c. ferritin

d. hemoglobin

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22.which enzyme is involve in degradation of cAMP?

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a. Protein kinase

b. adenyl cyclase

c. Glycogen phosphorylase

d. phosphodiesterase

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10. bronze diabetes is associated with

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a. hemochromatosis

b. hemosiderosis

c. wilson's disase

d. iron deficiency anemia

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14. supplementation of one of the following trace elements prevents dental caries.

1 point

a. iodine

b. fluorine

c. selenium

d. chromium

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1.steroids hormone binds with

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a. intracellular receptor

b. Extracellular receptor

c. Plasma cell surface receptor

d. All the above

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17. molybdenum serve as a cofactor for the following enzyme

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a. Xanthine oxidase

b. sulphite oxidase

c. nitrite oxidase

d. all the above

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13. keshan disease occurs due to the deficiency of

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a. selenium

b. chromium

c. molybdenum

d. manganese

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11. which one of the following protein is associated with copper absorption.

1 point

a. ceruloplasmin

b. albumin

c. metallothionein

d. globulin

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26.Zinc is a cofactor for:

1 point

a. Pyruvate Dehydrogenase

b. Pyruvate decarboxylase

c. Alphaketoglutarate Dehydrogenase

d. Alcohol Dehydrogenase

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