Vitamin D plays an important part in the absorption of calcium by the body.
Where is vitamin D activated into a form that promotes calcium absorption?
Small intestine.
Vitamin D is not activated into another form.
Kidneys.
Large intestine.
The Correct Answer is C
Choice A rationale
The small intestine is where nutrients are absorbed, but it is not where vitamin D is activated. Vitamin D is first converted in the liver and then activated in the kidneys to promote calcium absorption.
Choice B rationale
This is incorrect because vitamin D is activated into a form that promotes calcium absorption. The active form is crucial for maintaining calcium and phosphate levels in the blood.
Choice C rationale
The kidneys play a significant role in converting vitamin D to its active form, calcitriol. This activated form is essential for the absorption of calcium in the intestines.
Choice D rationale
The large intestine is involved in water absorption and waste formation but not in the activation of vitamin D. The activation process primarily occurs in the kidneys and liver. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Improved mental status can be a sign of better overall health but is not a specific indicator of improved heart failure status.
Choice B rationale
Using fewer pillows at night indicates reduced orthopnea, a common symptom of heart failure, suggesting that the patient’s heart failure status has improved.
Choice C rationale
Increased skin turgor indicates improved hydration status but is not a specific measure of heart failure improvement.
Choice D rationale
Heart rate regularity is important but does not directly indicate improved heart failure status.
Correct Answer is ["A","C"]
Explanation
Choice A rationale
Teaching the patient how to cope with therapy helps ensure the best outcomes by promoting adherence and understanding of the treatment regimen.
Choice B rationale
Nurses should not alter drug regimens; this is the responsibility of the prescribing healthcare provider.
Choice C rationale
Evaluating the effectiveness of therapy is a critical nursing responsibility to ensure that the treatment is achieving the desired outcomes.
Choice D rationale
While providing therapy is part of nursing care, it should not include altering the medication regimen.
Choice E rationale
Recommending over-the-counter medications is not within the nurse's scope of practice and should be done by a healthcare provider.
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