1. MBBS, Dip. Card:
M.Phil:TCM(China), DMCH
Assistant Prof.Physiology
Thyroid Gland

2. MCQ
 Hypersecretion of Thyroxin would be
caused by an increase in the release of?
A) FSH or LH
B) STHRH or STH
C) TSH or ACTH
D) TRH or TSH

3. MCQ
 1) Thyroid hormones belong to which class of
hormone?
 a) steroids
 b) proteins
 c) polypeptides
 d) amino acid derivatives

4. MCQ
 1) Thyroid hormones belong to which class of
hormone?
 a) steroids
 b) proteins
 c) polypeptides
 d) amino acid derivatives (T)

5. MCQ
 C-cells are present in?
 a) thyroid gland
 b) adrenal cortex
 c) parathyroid gland
 d) pituitary gland

6. MCQ
 C-cells are present in?
 a) thyroid gland (T)
 b) adrenal cortex
 c) parathyroid gland
 d) pituitary gland

7. MCQ
 Thyroid gland secretes approximately ___% T4 and
___%T3?
 a) 20,80
 b) 10,90
 c) 80,20
 d) 90,10

8. MCQ
 Thyroid gland secretes approximately ___% T4 and
___%T3?
 a) 20,80
 b) 10,90
 c) 80,20
 d) 90,10

9. MCQ
 Not an action of thyroid hormone?
 a) raises BMR
 b) increases cardiac output
 c) decreases cholesterol
 d) loss of libido

10. MCQ
 Not an action of thyroid hormone?
 a) raises BMR
 b) increases cardiac output
 c) decreases cholesterol
 d) loss of libido (T)

11. MCQ
 A patient with hypothyroidism is likely to have?
 a) subnormal body temperature
 b) lid retraction
 c) exophthalmos
 d) moist hands and feet

12. MCQ
 A patient with hypothyroidism is likely to have?
 a) subnormal body temperature
 b) lid retraction
 c) exophthalmos (T)
 d) moist hands and feet

13. MCQ
 True or false regarding thyroid hormone?
a. In the circulation , thyroxin is transported bound to
thyroglobulin
b. I - trapping by thyroid cells does need energy
c. I - is oxidized prior to iodination of thyrosine
d. Thyroid peroxidase inhibitors are used in the
treatment of hyperthyroidism
e. Low thyroxin level result in deafness

14. MCQ
 True or false regarding thyroid hormone?
a. In the circulation , thyroxin is transported bound to
thyroglobulin
b. I - trapping by thyroid cells does need energy
c. I - is oxidized prior to iodination of thyrosine (T)
d. Thyroid peroxidase inhibitors are used in the
treatment of hyperthyroidism (T)
e. Low thyroxin level result in deafness (T)

15. MCQ
 Which of the following act via binding directly to
the receptors of the nucleus
a) Thyroxin
b) ACTH
c) LH
d) Prolactin
e) Estrogen

16. MCQ
 Which of the following act via binding directly to
the receptors of the nucleus
a) Thyroxin (T)
b) ACTH
c) LH
d) Prolactin
e) Estrogen

17. MCQ
 All are features of adult hypothyroidism except?
a. Mental retardation
b. Inability to tolerance cold
c. Deafness
d. Bradycardia
c. Constipation

18. MCQ
 All are features of adult hypothyroidism except?
a. Mental retardation (T)
b. Inability to tolerance cold
c. Deafness
d. Bradycardia
c. Constipation
Mental retardation is feature
of hypothyroidism in children

19. MCQ
 Factitious hyperthyrosidism , all are true except?
it is an uncommon condition due to self administration of
T4
the radio-iodine uptake scan is suppressed
undetectable serum thyroglobulin
high T3:T4 ratio
the TSH is suppressed

34. Thyroxine binding globulin(TBG)
Thyroxine binding Prealbumin
Albumin

37. BY increasing the Transition of RNA
BY increasing the transcription of DNA to RNA
By increasing the Activity of Mitochondria

38. By increasing the Activity of Cellular Enzymes

42. iv. On Arterial Blood Pressure

43. On Development of Central Nervous System
On the Normal Function of Central Nervous
System

47. Role of TSH

48. Plasma Level of TSH
Mode of Action of TSH

49. Regulation of secretion of thyroid
hormones

54. Symptoms of hyperthyroidism

55. Exophthalmos

56. Myxedema

57. MCQ
• Yellowish tint of skin in myxoedema is due to?
• a) anaemia
• b) increased bilirubin level
• c) decreased cholesterol
• d) carotenemia

59. Cretinism (3 months old baby)
(Courtesy: Prof Mafauzy mohamad)