A nurse is caring for a client who has a potassium level of 3.2 mEq/L (3.5 to 5 mEq/L). Which of the following foods should the nurse recommend as being the best source of potassium?
1⁄2 cup apple juice
½ cup steamed cauliflower
cup boiled white rice
1 cup cantaloupe
The Correct Answer is D
Rationale:
A. ½ cup apple juice: Apple juice contains a relatively low amount of potassium, making it a poor choice for correcting hypokalemia. It typically provides less than 150 mg per half-cup serving.
B. ½ cup steamed cauliflower: Cauliflower is low in potassium compared to other vegetables. While healthy, it does not significantly contribute to raising potassium levels in the body.
C. 1 cup boiled white rice: White rice has minimal potassium content, especially when boiled. It is not effective in increasing potassium and is typically suitable for clients requiring low-potassium diets.
D. 1 cup cantaloupe: Cantaloupe is high in potassium, offering around 400–500 mg per cup. It is among the best fruit sources for replenishing potassium and is appropriate for clients with mild hypokalemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["D","E","F"]
Explanation
Rationale for correct choices:
- DTR 2+ bilaterally: This is within the normal range and shows recovery from previous central nervous system depression caused by magnesium sulfate toxicity, which earlier caused a drop to 1+.
- Urine output 40 mL in the last hour: Output is improving from the prior 20 mL/hr, suggesting better renal perfusion and clearance of magnesium. Adequate urine output is critical to prevent accumulation and toxicity.
- Oxygen saturation 95% on 2 L nasal cannula: This value meets the prescribed goal and reflects stabilized respiratory function after earlier shallow breathing. It indicates successful oxygenation support.
Rationale for incorrect choices:
- Temperature 38.3° C (101° F): This is an elevated temperature and may indicate systemic infection or inflammation. It does not support an improvement in condition and warrants monitoring.
- Heart rate 58/min: This is bradycardia and could indicate lingering effects of magnesium toxicity or a vagal response. It does not reflect improvement and needs further assessment.
- Blood pressure 146/96 mm Hg: Although slightly lower than the earlier reading of 170/112 mm Hg, it is still in the hypertensive range and does not signify resolution of preeclampsia or stabilization.
Correct Answer is B
Explanation
Rationale:
A. Fidelity: Fidelity involves loyalty, faithfulness, and keeping promises to individuals. While important in one-on-one nursing relationships, it is not the guiding principle when planning for population-wide benefit.
B. Utilitarianism: Utilitarianism is an ethical principle focused on producing the greatest good for the greatest number of people. It is most appropriate when planning community programs that aim to maximize overall health benefits.
C. Autonomy: Autonomy emphasizes respecting individual rights and decision-making. While vital in personal healthcare decisions, it does not directly guide broad community health program planning.
D. Veracity: Veracity refers to truth-telling and honesty in communication. Although essential in client interactions, it does not provide direction in choosing programs that broadly benefit the community.
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