A nurse is reviewing the laboratory values of four clients. Which of the following values indicates to the nurse that a client has iron-deficiency anemia?
A client whose hematocrit is 42%.
A client whose RBC count is 5.2 million/mm3.
A client whose ferritin level is 8 ng/mL.
A client whose hemoglobin is 15 g/dL.
The Correct Answer is C
Choice A rationale:
A client whose hematocrit is 42% (Choice A) falls within the normal range for hematocrit values, which is typically around 37-52% for adult women and 40-54% for adult men. While low hematocrit values can indicate anemia, a value of 42% is not indicative of iron-deficiency anemia on its own.
Choice B rationale:
A client whose RBC count is 5.2 million/mm3 (Choice B) is within the normal range for red blood cell counts, which is roughly 4.5-5.5 million/mm3 for adult women and 4.5-6.1 million/mm3 for adult men. Although low RBC counts can be associated with anemia, the value provided is not suggestive of iron-deficiency anemia without further context.
Choice C rationale:
A client whose ferritin level is 8 ng/mL (Choice C) is the correct choice. Ferritin is a protein that stores iron, and low levels of ferritin are a strong indicator of iron-deficiency anemia. Ferritin levels less than 12 ng/mL are often considered indicative of depleted iron stores.
Choice D rationale:
A client whose hemoglobin is 15 g/dL (Choice D) falls within the normal range for hemoglobin values, which is typically around 12-15.5 g/dL for adult women and 13.5-17.5 g/dL for adult men. While low hemoglobin can suggest anemia, a value of 15 g/dL is not indicative of iron-deficiency anemia on its own.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Maintaining a low-protein diet is not the appropriate instruction for a client taking a monoamine oxidase inhibitor (MAOI). While dietary restrictions are associated with MAOIs, it's primarily focused on avoiding foods rich in tyramine, which is not limited to just protein-containing foods.
Choice B rationale:
Not eating grapefruit while taking medication is generally applicable advice, but it is not specific to MAOIs. Grapefruit can interfere with the metabolism of certain medications by inhibiting specific enzymes. However, it's not a concern solely related to MAOIs.
Choice C rationale:
Avoiding aged cheeses while taking this medication is the correct instruction. Aged cheeses contain tyramine, which can lead to a hypertensive crisis when consumed with MAOIs. Tyramine interacts with MAOIs to increase blood pressure, potentially causing a serious reaction.
Choice D rationale:
Reducing intake of high-calorie foods is not a primary concern when taking MAOIs. The main dietary focus is on avoiding tyramine-rich foods to prevent dangerous interactions. High-calorie foods are not directly contraindicated with MAOIs.
Correct Answer is C
Explanation
Choice A rationale:
Salami. Salami is a processed meat product that is typically not recommended for individuals with celiac disease. It might contain additives, preservatives, and flavorings that could potentially contain gluten or cross-contamination. While the primary concern in celiac disease is gluten, it's also important to avoid processed meats due to potential hidden sources of gluten.
Choice B rationale:
Wheat germ. Wheat germ is derived from wheat and therefore contains gluten. For individuals with celiac disease, avoiding all sources of gluten is crucial to prevent immune reactions and damage to the intestines. Recommending wheat germ to a client with celiac disease would be contradictory to their dietary needs.
Choice C rationale:
Corn. Corn is a gluten-free grain and is a safe choice for individuals with celiac disease. It is a versatile food ingredient that can be used in various forms, such as cornmeal, cornstarch, and corn flour. Corn does not contain gluten and can be included in a gluten-free diet without any adverse effects.
Choice D rationale:
Barley. Barley is a gluten-containing grain and should be avoided by individuals with celiac disease. It contains gluten proteins that can trigger immune responses and cause damage to the small intestine. Including barley in the diet of a client with celiac disease would worsen their condition and lead to gastrointestinal symptoms.
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