Pituitary Flashcards
1
Q
What tests are used to examine pituitary function?
A
- 9am cortisol
- Thyroid function - FT4, FT3, TSH
- Prolactin
- IGF1 (for growth hormone)
- LH, FSH, E2/Testosterone
- U and E, Plasma/urine osmolality
- Dynamic tests (synacthen test)
- Imaging (MRI)
2
Q
What stimuli cause the hypothalamus and posterior pituitary to release vasopressin (ADH)?
A
- Angiotensin II
- Sympathetic stimualtion
- Hyperosmolarity
- Decreased artial receptor firing
3
Q
What are the effects of vasopressin (ADH)?
A
- Fluid reabsorption in the kidneys
- Increased blood volume
- Blood vessel constriction
Overal increased arterial pressure
4
Q
A
