Sunday, August 19, 2012

Endocrine Physiology 1


1. What are ductless glands called?
Endocrine glands

2. What is the hormone produced by the stomach
Gastrin

3. What is the source of hCG?
Syncitiotrophoblast cells of the placenta

4. What does hypothyroidism in adults lead to?
Myxedema

5. What is the risk of total surgical removal of the thyroid glands?
Death due to laryngeal spasm

6. Name the hormone produced by the pineal gland
Melatonin

7. Why total gastrectomy will lead to megaloblastic anaemia?
Due to the absence of intrinsic factor required for vitamin B12 absorption

8. What stimulates the osmoreceptors in the hypothalamus?
Changes in osmolarity of the blood

9. Which hormone is responsible for the ovulation in a woman?
LH surge

10. What is the incomplete descent of the testes in the newborn babies called?
Cryptorchidism

11. What is the first time a female has her menstrual period called?
Menarche

12. Name the enzyme that converts androgens to estrogen.
Aromatase

13. What is the quick contraction of thr ipsilateral facial muscles elicited by tapping over the facial nerve at the angle of the jaw called?
Chvostek’s sign

14. What is the spasm of muscles of the upper extremity that causes flexion of the wrist and thumb with extension of the fingers called?
Trousseau’s sign

15. What is called the Calcium ion lowering hormone in the body?
Calcitonin

16. In what condition are the symptoms of polyphagia seen?
Diabetes mellitus

17. What is the other term used to describe ‘warm-blooded’ animals?
Homeothermic animals

18. In what condition will the symptoms of polyuria and polydipsia be seen without glycosuria?
Diabetes insipidus

19. What is secreted by the alpha cells of the pancreas?
Glucagon

20. What is secreted by the D-cells of the pancreas?
Somatostatin

( UMS, 2008 )

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