36. Calcium Disorders Flashcards
1
Q
What will Vit D intoxication cause in terms of calcium levels?
A
Hypercalcemia
2
Q
What will Vit D deficiency cause in terms of calcium levels? phosphate levels?
A
hypocalcemia
hypophosphatemia
3
Q
what does lack of PTH do?
A
- decr bone resorption
- decr renal reab of Ca
- incr renal reab of phosphate
4
Q
what mechanism of action does TH use?
A
steroid: induces synthesis of new proteins
5
Q
PTH uses what mechanism of action?
A
cAMP
6
Q
glucagon uses what mechanism of action?
A
cAMP
7
Q
name a dopamine agonist (medication)
A
bromocriptine
8
Q
what is a pheochromocytoma?
A
tumor of adrenal medulla cells, leads to highly increased epinephrine/norepi. –> sympathetic hyperactivity
