CSOWM - Vitamins and minerals Questions and Answers with Verified
Solutions | Latest 2026 Update
Q: Vitamin D deficiency markers
Answer:
25 (OH) D < 20 ng/mL = Deficient; 20-30 ng/mL = insufficient;
Increased Alk Phos, increased iPTH, decreased DEXA
Q: How to replete vitamin D
Answer:
50,000 IU /week x 8-12 weeks; 50,000 IU 1-3x per week; 2,000-
6,000 IU/day; Severe= 50-150k IU /day; Calcitriol .25-.5 mcg/day
Q: Calcium deficiency markers
Answer:
Ionized calcium < 4.48 mg/dL; increased alk phos, increased
iPTH, Decreased Dexa
, CSOWM - Vitamins and minerals Questions and Answers with Verified
Solutions | Latest 2026 Update
Q: Corrected calcium
Answer:
(0.8 x (4.0- Pt's Albumin)) + Serum Ca
Q: How to replete calcium
Answer:
1200-2000 mg daily (Bisphosphonates if T-score is <2.5; meds that
slow the loss of bone)
Q: Magnesium deficiency markers < 1.5 mmol/L (1.8?
Answer:
) ; decreased urinary magnesium
Q: Thiamin deficiency markers
Answer:
serum thiamin <80 micrograms/L; increased lactic acid or
pyruvate ; decreased RBC transketolase
Solutions | Latest 2026 Update
Q: Vitamin D deficiency markers
Answer:
25 (OH) D < 20 ng/mL = Deficient; 20-30 ng/mL = insufficient;
Increased Alk Phos, increased iPTH, decreased DEXA
Q: How to replete vitamin D
Answer:
50,000 IU /week x 8-12 weeks; 50,000 IU 1-3x per week; 2,000-
6,000 IU/day; Severe= 50-150k IU /day; Calcitriol .25-.5 mcg/day
Q: Calcium deficiency markers
Answer:
Ionized calcium < 4.48 mg/dL; increased alk phos, increased
iPTH, Decreased Dexa
, CSOWM - Vitamins and minerals Questions and Answers with Verified
Solutions | Latest 2026 Update
Q: Corrected calcium
Answer:
(0.8 x (4.0- Pt's Albumin)) + Serum Ca
Q: How to replete calcium
Answer:
1200-2000 mg daily (Bisphosphonates if T-score is <2.5; meds that
slow the loss of bone)
Q: Magnesium deficiency markers < 1.5 mmol/L (1.8?
Answer:
) ; decreased urinary magnesium
Q: Thiamin deficiency markers
Answer:
serum thiamin <80 micrograms/L; increased lactic acid or
pyruvate ; decreased RBC transketolase
