Endocrine-2 (Parathyroid Gland/Calcium Homeostasis/Vit D) Flashcards
1
Q
Does an increase of PTH increase or decrease calcium levels?
A
Increase
2
Q
What are some disorders of the parathyroid gland?
A
- Primary hypoparathyroidism
- Primary hyperparathyroidism
- Secondary hypoparathyroidism
- Secondary hyperparathyroidism
3
Q
Vitamin D2
A
Ergocalciferol
4
Q
Vitamin D3
A
Cholecalciferol
5
Q
Are vitamins D2 and D3 physiologically active or inactive?
A
Inactive
6
Q
25(OH) D
A
Calcidol
7
Q
What is calcidol?
A
Storage form of vitamin D, used to monitor drug therapy
8
Q
1,25(OH)2 D
A
Calcitriol
9
Q
What is calcitriol?
A
Physiologically active form of vitamin D
10
Q
What is the primary site of action of calcitonin?
A
Bone
11
Q
What is the mechanism of action of calcitonin?
A
Potent inhibitor of osteoclasts
12
Q
What dosage form is calcitonin available in?
A
Nasal spray 200units/spray
13
Q
What does a vitamin D deficiency result in?
A
Hypocalcemia
14
Q
What are some examples of vitamin D replacement therapy?
A
- Drisdol 50,000 IU/cap
- Rocaltrol 0.25/0.5mcg capsules (Calcitriol)
