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CNPEFA Practice Tests & Test Prep by Exam Edge - Free Test


Our free Canadian Family Nurse Practitioner Examination Practice Test was created by experienced educators who designed them to align with the official Canadian Nursing content guidelines. They were built to accurately mirror the real exam's structure, coverage of topics, difficulty, and types of questions.

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Canadian Family Nurse Practitioner Examination - Free Test Sample Questions

You have a 67-year-old female patient with a vitamin D deficiency. To help her you might suggest all but which of the following?





Correct Answer:
low-dose (400 – 800 iu) vitamin d supplementation alone
in addressing vitamin d deficiency, especially in a 67-year-old female patient, several strategies can be employed to increase vitamin d levels. however, some approaches are more effective than others based on the severity of the deficiency. here’s an expanded discussion of the options you provided:

**increased sun exposure:** vitamin d is often called the "sunshine vitamin" because the skin produces it in response to sunlight. encouraging increased sun exposure, particularly midday sun for about 15-20 minutes several times a week, can help boost vitamin d levels. this method is generally effective, but its efficacy can depend on factors such as geographical location, skin pigmentation, season, and the use of sunscreen.

**low-dose (400 – 800 iu) vitamin d supplementation alone:** while this dosage can help maintain current vitamin d levels or prevent further decline, it is generally insufficient for correcting an established deficiency, especially in older adults. older individuals often have reduced skin capacity to synthesize vitamin d from sunlight, combined with dietary inadequacy, thus requiring higher doses for deficiency correction.

**high-dose vitamin d supplementation (50,000 iu once a week for 8 weeks):** this is a common prescription for quickly elevating severely low levels of vitamin d. high-dose weekly supplementation is effective in rapidly normalizing vitamin d levels and is often followed by lower-dose maintenance therapy to sustain vitamin d levels post-correction. this intervention is especially useful in cases of significant deficiency and is a common medical practice.

**eating a diet rich in vitamin d:** incorporating foods high in vitamin d, such as fatty fish (like salmon and mackerel), fish liver oils, fortified dairy products, and egg yolks, can help improve vitamin d levels. while beneficial, dietary intake alone is usually not sufficient to correct a deficiency but can support maintenance of levels alongside other interventions.

given these options, the least effective suggestion for correcting a vitamin d deficiency in a 67-year-old female would be low-dose vitamin d supplementation alone (400 – 800 iu). this dosage is typically too low to adequately address a deficiency, particularly in older adults who may have higher requirements due to various physiological changes and lower baseline levels. a combination of high-dose supplementation as needed, followed by maintenance dosing, alongside dietary improvements and possibly increased sun exposure, would be more appropriate and effective strategies.