Thyroid Flashcards
1
Q
What releases TRH?
A
Hypothalamus
2
Q
Where is TSH synthesized + released?
A
Anterior pituitary
3
Q
What cells produce thyroid hormones?
A
Follicular
4
Q
T3 has _ iodine atoms and T4 has _ iodine atoms
A
3; 4
5
Q
What can cause hypothyroidism (3)?
A
- Thyroid gland failure
- Hypothalamus or anterior pituitary failure
- Lack of iodine in diet
6
Q
What can cause hyperthyroidism?
A
- Graves disease
- Hypersecretion
7
Q
What is the function of calcitonin?
A
Calcium homeostasis
8
Q
What type of hormone are glucocorticoids?
A
Stress
9
Q
What is the fx of glucocorticoids?
A
- Mobilize energy sources (glucose, fat, amino acids)
- Anti-inflammatory
10
Q
What can cause Cushing’s disease?
A
- Long-term tx with glucocorticoids
- Hypersecretion
