thyroid

WEIGHT OF NORMAL THYROID GLAND

• 10-15

• 20-25

• 40-45

• 80-85

2The functioning unit  of thyroid gland

• papillae

• folllicle

• lobule

• gland

3The initial step of thyroid hormone synthesis

• binding

• trapping

• oxidation

• coupling

.The active form of  thyroxine

• bound form

• unbound form

unbound t3 constitutes

• 0.3%

• 0.03%

• 5%

• 10%

6The most physiologically active form

• unbound t3

• boundt4

• unboundt4

• boundt3

7High tsh  in patient indicates

• normal

• hyperthyroidism

• hypothyroidism

• primary hyperthyroidism

half life of  t3

• 1 day

• 2 days

• 7 days

• 14 days

Discrete swellings with evidence of abnormality elsewhere in the gland are termed

• SNT

• MNG

• DOMINANT

• SECONDARY

All are inflammatory  thyroid swellings except

• graves

• riedels

• de Quervain's

• hashimotos