Thyroid Function Testing Flashcards
1
Q
High Risk groups
A
Over 60 y/o Females Dyslipidemia Family history of thyroid disease Medications (lithium. amiodarone)
2
Q
____________ secretes TSH
A
anterior pituitary
3
Q
T4
A
thyroxine
4
Q
T3
A
triiodothyronine
5
Q
TSH, T3, T4: which is more potent?
A
T3 (3-5X)
6
Q
Where are the following secreted from?
TRH, TSH, T4, T3
A
Thyrotropin Releasing Hormone - Hypothalamus
Thyroid Stimulating Hormone - Pituitary
Thyroxine and Triiodothyronine - Thyroid
7
Q
Major binding globulin
A
Thyroxine-binding globulin (T4 and T3)
8
Q
euthyroid
A
Thyroid balance, optimal function
9
Q
TPO Antibodies
A
Thyroid Peroxidase (TPO) is a key enzyme in thyroid hormone synthesis