LPN Fundamentals Practice Questions

Correct Answer: B

Rationale: Measuring the tube from the client's nose to the earlobe to the xiphoid process ensures the tube is inserted to the correct depth. This measurement helps prevent complications such as tube misplacement or lung insertion. Positioning the client with the head of the bed elevated to 30� is important to facilitate easier insertion but is not the most crucial step. Lubricating the entire length of the tube with water-soluble lubricant is essential for smooth insertion but is not the most critical action. Instructing the client to cough during insertion is not necessary and may lead to unnecessary discomfort.

Correct Answer: C

Rationale: The correct answer is C: Lentils. Incomplete proteins lack one or more essential amino acids required for protein synthesis in the body. Examples of incomplete proteins include lentils, vegetables, grains, nuts, and seeds. Lentils, a plant-based protein source, are considered incomplete as they do not contain all essential amino acids in sufficient amounts. Choices A, B, and D are incorrect as eggs, soybeans, and yogurt are examples of complete proteins, containing all essential amino acids in the right proportions for the body's needs.

Correct Answer: B

Rationale: Correct! Hyperkalemia is a condition characterized by high levels of potassium in the blood. To manage hyperkalemia, it is essential to decrease the intake of potassium-rich foods since excess potassium can worsen the condition. By understanding the need to decrease potassium-rich foods, the client shows comprehension of the dietary management required for hyperkalemia. Choice A is incorrect because increasing potassium-rich foods would exacerbate hyperkalemia. Choice C is incorrect since increasing sodium-rich foods is unrelated to managing hyperkalemia and could potentially lead to other health issues. Choice D is incorrect as decreasing sodium-rich foods is not the primary focus when managing hyperkalemia.

Correct Answer: B

Rationale: The correct answer is B. Decreasing the intake of purine-rich foods is essential in managing gout as purines break down into uric acid, contributing to gout symptoms. Increasing purine-rich foods would exacerbate the condition by increasing uric acid levels. Therefore, choice A is incorrect. Choices C and D are also incorrect as increasing sodium-rich foods (choice C) is not recommended for gout management, and decreasing potassium-rich foods (choice D) is unrelated to gout.

Correct Answer: A

Rationale: The correct answer is A. In chronic kidney disease, limiting protein intake is crucial to prevent overworking the kidneys. Excessive protein consumption can lead to the accumulation of metabolic waste products that the kidneys struggle to process, worsening kidney function. Therefore, by recognizing the need to restrict protein intake, the client demonstrates an understanding of the dietary management required for their condition. Choices B, C, and D are incorrect. Increasing intake of potassium-rich foods (Choice B) is not recommended in chronic kidney disease as it can lead to hyperkalemia. Similarly, increasing intake of phosphorus-rich foods (Choice C) is not advised because impaired kidneys struggle to excrete phosphorus, leading to elevated levels in the blood. Lastly, increasing intake of calcium-rich foods (Choice D) may not be necessary unless there is a specific deficiency or requirement, as calcium balance is often disrupted in chronic kidney disease.