The nurse is providing teaching to the client about the use of vitamins and supplements. The nurse would state that vitamin D has a major role in which process?
Facilitating sodium and potassium exchange
DNA and prothrombin synthesis
Regulating calcium and phosphorus metabolism
Production of beta carotene
The Correct Answer is C
A. Facilitating sodium and potassium exchange: This is not related to vitamin D. Sodium and potassium exchange is primarily managed by other mechanisms in the body.
B. DNA and prothrombin synthesis: This role is more associated with vitamins like B12 and K, not vitamin D.
C. Regulating calcium and phosphorus metabolism: This is the correct choice. Vitamin D plays a crucial role in the absorption of calcium and phosphorus from the diet and their metabolism in the body.
D. Production of beta carotene: Beta carotene is a precursor to vitamin A, not related to vitamin D's functions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Furosemide (Lasix): This is a diuretic used to treat fluid retention and does not address the symptoms related to calcium imbalances.
B. Diazepam (Valium): This is an anxiolytic and does not address the symptoms associated with hypocalcemia following a thyroidectomy.
C. Calcium gluconate: This is the appropriate medication for treating hypocalcemia, which can occur after a thyroidectomy due to potential damage to or removal of parathyroid glands, leading to symptoms such as abdominal cramping and irregular heart rate.
D. Calcitonin: While this hormone helps regulate calcium levels, it is more commonly used to treat hypercalcemia, not hypocalcemia.
Correct Answer is A
Explanation
A. Warfarin (Coumadin): This is the correct choice. Warfarin is an anticoagulant that increases the risk of bleeding during and after surgery. The surgeon needs to be notified to consider holding the medication and to adjust the surgical plan if necessary.
B. Gabapentin (Neurontin): While important for pain management, it does not significantly impact surgical procedures or bleeding risk.
C. Xanax (Alprazolam): This medication is a benzodiazepine used for anxiety, which might be relevant for preoperative anxiety but does not require immediate notification of the surgeon.
D. Atenolol (Tenormin): This beta-blocker is used for hypertension and heart conditions but does not require immediate notification of the surgeon unless there are specific cardiac concerns related to surgery.
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