Vitamin D ISM
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Vitamin D ISM
Vitamin ISM Therapeutics Exam8
Vitamin D ISM Dr. Koski Therapeutics Exam8
What are the 3 main sources of vitamin D for humans?
Which form of vitamin D is available by Rx?
What is the vitamin D metabolite that is monitored and used to determine a pt's vitamin D status?
What is the level of 25-hydroxyvitamin D that most experts define as vitamin D deficiency?
Less than 20 ng/ml
List OTC strengths of Vitamin D3
400, 800, 1000, 2000 IU
How much vitamin D is usually found in multivitamins?
What are other names for vitamin D2, D3, and rocaltrol?
D2 = Ergocalciferol
D3 = Cholecalciferol
Rocaltrol = Calcitriol
When a multivitamin product label say the product contains Vitamin D, which form of vitamin D is usually contained in the product?
List the prescription vitamin D products and strengths
Vitamin D2 50,000 IU/capsule
Vitamin D2 8,000 IU/ml liquid (Drisdol)
Name a symptom of Vitamin D deficiency
List some diseases Vitamin D deficiency has been linked to
List 3 natural food sources of vitamin D
Fish (tuna, sardines, salmon)
list 3 foods that are usually fortified with Vitamin D
Milk, OJ, yogurt, butter, margarine, cheese, breakfast cereal, infant formula
List 5 scenarios that can cause Vitamin D deficiency
use of sunscreen
chronic kidney disease
List medications that cause Vitamin D deficiency
What is the usual treatment dose of Vitamin D2 for vitamin D deficiency for an adult? For an 8 yo child?
50,000 IU weekly for 8 weeks
same for 8 y.o.
What is the usual maintenance dose of Vitamin D to prevent deficiency in adults? For an 8 y.o. child?
Adult - D2 50,000 IU Q 2-4 weeks or D3 800-1000 IU daily, sensible sun exposure
Child - D3 400-1,000 IU daily
How much vitamin D3 should lactating women ingest to ensure adequate levels for themselves and the breastfed infant?
D3 1000-2000 IU/day; 4000 IU qd is safe for up to 5 months
Is a tanning bed effective at elevating vitamin D levels?
What is the goal 25-hydroxyvitamin D level for pts with chronic kidney disease and how often should it be monitored?
How much sun exposure is "sensible sun exposure" to maintain adequate vitamin D levels?
5-30 minutes between 10 a.m. and 3 p.m. twice a week (depending on time of day, latitude, and skin pigmentation)
What level of 25-hydroxyvitamin D is considered to be toxic?
> 150 ng/ml