A 36-year-old man with diabetes mellitus presents to the nurse practitioner for routine lab work. His disease has been well controlled on 1,000 mg of metformin for 1 year. Today his glycosylated hemoglobin (Hgb A1C) level is 8.2, but his fasting blood glucose was only 99. Which chronic condition falsely elevates Hgb A1C levels?
Iron deficiency anemia (IDA)
Hypertension (HTN)
Osteoarthritis (OA)
Depression
The Correct Answer is A
Choice A reason: Iron deficiency anemia can falsely elevate Hgb A1C levels due to alterations in red blood cell turnover. In IDA, red blood cells live longer, allowing more time for glycation, which can lead to an overestimation of average blood glucose levels.
Choice B reason: Hypertension does not directly affect hemoglobin glycation or red blood cell lifespan. It is not known to cause false elevations in Hgb A1C.
Choice C reason: Osteoarthritis is a degenerative joint condition and does not influence hemoglobin glycation or red blood cell turnover.
Choice D reason: Depression may affect lifestyle and glucose control but does not physiologically alter Hgb A1C measurements.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Chocolate contains small amounts of tyramine and phenylethylamine, which may pose a mild risk when consumed in large quantities while on MAOIs. However, it is not considered a high-risk food requiring complete avoidance. Moderation is generally advised, but it is not strictly prohibited.
Choice B reason: Coffee does not contain significant levels of tyramine and is not contraindicated with MAOIs. While caffeine may exacerbate anxiety or insomnia, it does not interact dangerously with MAOIs in the same way tyramine-rich foods do.
Choice C reason: Cheddar cheese is an aged cheese and contains high levels of tyramine, which can lead to hypertensive crisis when consumed with MAOIs. Tyramine is normally broken down by monoamine oxidase, but when this enzyme is inhibited, tyramine accumulates and can cause dangerous spikes in blood pressure. Therefore, aged cheeses like cheddar must be strictly avoided.
Choice D reason: Potato chips are not fermented or aged and do not contain significant tyramine levels. They are not contraindicated with MAOIs, although excessive salt or fat intake may be discouraged for general health reasons.
Correct Answer is D
Explanation
Choice A reason: Dorothy Orem developed the Self-Care Deficit Nursing Theory, which focuses on individuals’ ability to care for themselves and the role of nursing in supporting self-care.
Choice B reason: Nola Pender is known for the Health Promotion Model, which emphasizes behaviors that improve health and prevent illness.
Choice C reason: Hildegard Peplau developed the Interpersonal Relations Theory, which centers on the nurse-patient relationship and therapeutic communication.
Choice D reason: Madeline Leininger created the Culture Care Theory, which emphasizes the importance of cultural competence in nursing and the integration of cultural beliefs into care practices.
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