VITAMIN D

What is the RDA of Vitamin D for a 30-year-old?

15 mcg

Vitamin D is stored in which tissues?

Liver and skin

What is the active form of Vitamin D?

Calcitriol

What does Vitamin D do to calcium absorption?

Increases it

In the kidneys, Vitamin D __ calcium excretion.

Decreases

What is a major adverse effect of Vitamin D overdose?

Hypercalcemia

Breastfed infants need:

A Vitamin D supplement

What Vitamin D dose is recommended for pregnancy?

600 IU

In kidney disease, which form of Vitamin D is given?

Calcitriol

Where is Vitamin D first metabolized?

Liver

A patient with osteomalacia should take:

Vitamin D

What electrolyte should be monitored when giving Vitamin D?

Calcium

A Vitamin D overdose may cause which renal problem?

Kidney stones

Which symptom signals Vitamin D toxicity?

Metallic taste

What should be avoided with Vitamin D?

Magnesium-containing antacids

Which drug reduces Vitamin D absorption?

Cholestyramine resin

A safe daily intake of Vitamin D for a healthy adult <70 years old is:

15 mcg

The nurse should teach that sun exposure helps produce:

Cholecalciferol

Vitamin D helps treat which bone condition?

Osteoporosis

Why is calcitriol used in dialysis patients?

Kidneys can't activate Vitamin D

A contraindication to Vitamin D is:

Hypercalcemia

A nurse should monitor which labs with Vitamin D?

Calcium, Creatinine, Phosphate

Excess Vitamin D may cause which heart change?

Hypertension

The nurse teaches Mrs. Taylor that Vitamin D:

can be taken with or without food

Which symptom suggests Vitamin D toxicity?

Nausea/vomiting

Why avoid mineral oil with Vitamin D?

It binds Vitamin D

Patients on thiazide diuretics + Vitamin D may have:

Hypercalcemia

One key dietary source of Vitamin D is:

Cod liver oil

The nurse should tell patients to report:

Muscle/bone pain

The nurse knows that sun exposure:

Helps synthesize Vitamin D precursor

Phenytoin affects Vitamin D by:

Accelerating metabolism

Why should Vitamin D not be taken with magnesium antacids?

Increases hypercalcemia risk

Which symptom suggests early Vitamin D toxicity?

Dry mouth

In breastfed infants, Vitamin D should be:

Given daily as supplement

In patients with liver disease, Vitamin D dose should be:

No adjustment needed