Tuesday, February 13, 2007


. Steroid hormones are secreted by all except:
(a) Ovary (b) Testes
(c) Adrenal medulla (d) Placenta
2. Receptors within cell cytoplasm are specific to:
(a) Peptide hormones (b) Protein hormones
(c) Cortisol (d) Catecholamine
3. The cation essential for adenyl cyclase activity to form cAMP is:
(a) Sodium (b) Magnesium
(c) Calcium (d) Potassium
4. The weight of normal pituitary gland is:
(a) 1 gm (b) 5 gm
(c) 10 gm (d) 25 gm
5. The maximum number of hormone secreting cells of anterior pituitary are:
(a) Somatotropes (b) Thyrotropes
(c) Corticotropes (d) Gonadotropes
(a) Lactotropes
6. Which of the following is not an effect of growth hormone in glucose metabolism:
(a) Diminished glucose uptake by cell
(b) Decreased glucose utilisation
(c) Suppression of insulin secretion
(d) Decreased sensitivity to insulin
7. Chondrocytes are converted to osteogenic cells under influence of:
(a) Growth hormone (b) Testosterone
(c) Corticosteroids (d) Thyroxine
8. Normal growth hormone level in a child or adolescent is:
(a) 1 ng/ml (b) 2-3 ng/ml
(c) 6 ng/ml (d) 10-15 ng/ml
9. Which of the following is inhibited by somatostatin:
(a) Growth hormone (b) Insulin
(c) Glucagon (d) All of the above
10. Both oxytocin and vasopressin (ADH) have 9 amino acids with partial functional similarities except for amino acid structure involving:
(a) Arginine (b) Valine
(c) Histidine (d) All of the above
11. When peroxides system is blocked or congenitally absent which step of thyroid hormone synthesis is affected:
(a) Iodine trapping (b) Iodine oxidation
(a) Organification of iodine
12. Among thyroid hormones which is rapid acting:
(a) T4 (b) Reversed T3
(c) T3 (d) All equal

13. The exophthalmos in Graves' disease is due to:
(a) Increase in size of eyeball
(b) Increased blood lymph content of eye
(c) Oedema of retro-orbital tissue
(d) All of the above
14. In myxoedema, serum findings are all except:
(a) Low T3, T4 (b) High TSH
(c) Low cholesterol (d) Normal sugar
15. Cortisol is secreted from:
(a) Zona glomerulosa (b) Zona fasciculata
(c) Zona reticularis (d) B + C
16. The degraded adrenal hormones are mainly secreted in:
(a) Urine (b) Bile
(c) Sweat (d) Stool
17. Normal plasma aldosterone is:
(a) 1 ng / dl (b) 6 ng / dl
(c) 12 ng / dl (d) 18 ng / dl
18. Banting and Best, isolated insulin in:
(a) 1890 (b) 1902
(c) 1922 (d) 1942
19. Normal level of ketone bodies in plasma is:
(a) 1 mEq / L (b) 5 mEq / L
(c) 10 mEq / L (d) 20 mEq / L
20. What is asthenia:
(a) Tall lanky body (b) Lack of energy
(c) Lack of adipose tissue (d) None of the above
21. Persistent hypoglycemia is dangerous because of:
(a) Shock (b) Brain damage
(c) Renal shut down (d) Visual impairment
22. Normal daily calcium excretion in urine is:
(a) 50 mg (b) 100 mg
(c) 250 mg (d) 500 mg
23. Conversion of Vit D3 to 1-25 dihydroxycholecalciferol occurs in which part of nephron:
(a) Glomerulus (b) Proximal tubules
(a) Distal tubules
24. Which of the following conforms to hydroxyapatite:
(a) Ca8 (PO4)6 (OH)2 (b) Ca10 (PO4)6 (OH)2
(c) Ca10 (PO4)8 (OH)2 (d) Ca8 (PO4)8 (OH)2
25. The bacterium responsible for caries can be all except:
(a) Sterptococci (b) Diphtheroid
(b) Staphylococci (d) Lactobacilli

1.c 2.c 3.b 4.a 5.a 6.c 7.a 8.c 9.d 10.a 11.b 12.c 13.c 14.c 15.d 16.a 17.b 18.c 19.a 20.b 21.b 22.b 23.b 24.b 25.c

1 comment:

dr.sid said...

thanks for the bits part of it,please give value in range than specific numbers sort of that part of it.ref:harrison