A nurse is providing prenatal teaching about iron to a client who follows a vegetarian diet. The nurse should recommend that the client consume which of the following foods to enhance the absorption of nonheme iron?
Boiled eggs
Orange slices
Cheddar cheese
Mixed nuts
The Correct Answer is B
Rationale:
A. Boiled eggs: While eggs contain some iron, they are not known to enhance the absorption of nonheme iron. In fact, certain components in eggs may inhibit iron absorption from plant-based sources.
B. Orange slices: Vitamin C (ascorbic acid) found in citrus fruits like oranges significantly enhances the absorption of nonheme iron by reducing it to a more absorbable form. This makes orange slices an ideal complement to iron-rich plant foods.
C. Cheddar cheese: Dairy products like cheese are low in iron and contain calcium, which can actually compete with iron for absorption in the intestines, reducing its bioavailability rather than enhancing it.
D. Mixed nuts: Although nuts contain some iron, they are also high in phytates, which can inhibit iron absorption. They do not actively enhance nonheme iron uptake and are not the best dietary pairing for this purpose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Rationale:
A. Raise the head of the client's bed to a high-Fowler's: Placing the client in high-Fowler’s position increases hip flexion beyond 90 degrees, which raises the risk of dislocation following a hip arthroplasty. Proper positioning involves limited hip flexion.
B. Keep an abduction pillow between the client's legs: An abduction pillow maintains proper alignment by keeping the legs apart and preventing internal rotation or adduction of the hip, both of which increase the risk of dislocation after surgery.
C. Elevate the client's affected leg on a pillow when in bed: Elevating the affected leg on a pillow may cause external rotation or misalignment of the hip. Unless prescribed, this practice may inadvertently increase the risk of hip dislocation.
D. Position the client's knees slightly higher than the hips when up in a chair: Having the knees higher than the hips promotes hip flexion beyond 90 degrees, a common cause of prosthesis dislocation postoperatively. Proper chair height and posture help prevent this complication.
Correct Answer is C
Explanation
Rationale:
A. Fibrinogen level: Fibrinogen is a clotting factor that can reflect coagulation activity, but it is not used to monitor warfarin therapy. It is more relevant in conditions like DIC or liver disease, not for warfarin dose adjustments.
B. aPTT: Activated partial thromboplastin time (aPTT) is used to monitor heparin therapy. Warfarin, which affects the extrinsic pathway of coagulation, does not significantly impact aPTT levels.
C. INR: The international normalized ratio (INR) is the standard test used to monitor warfarin therapy. It reflects the effect of warfarin on prothrombin time and guides safe and effective dosing to maintain therapeutic anticoagulation.
D. Platelet count: While platelet count helps evaluate bleeding risk and detect thrombocytopenia, it is not used to guide warfarin dosing. Warfarin works by inhibiting vitamin K–dependent clotting factors, not by affecting platelet production.
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