Which of the following food choices contains the least amount of phenylalanine for children with PKU?
Walnuts
Cow’s milk
Bananas
Diet soda with aspartame
The Correct Answer is C
Choice A reason:
Walnuts are a source of protein and contain phenylalanine, an amino acid that individuals with phenylketonuria (PKU) must limit in their diet. While nuts can be a healthy snack for most people, they are not suitable for those with PKU due to their high phenylalanine content. Therefore, walnuts are not the best choice for children with PKU.
Choice B reason:
Cow’s milk is another source of protein and contains significant amounts of phenylalanine. Dairy products, including milk, cheese, and yogurt, are generally high in protein and should be avoided by individuals with PKU. Consuming cow’s milk can lead to elevated levels of phenylalanine in the blood, which can be harmful to children with PKU.
Choice C reason:
Bananas are a fruit that contains very low levels of phenylalanine. Fruits and vegetables are generally safe for individuals with PKU as they are low in protein and phenylalanine. Bananas, in particular, are a good option for children with PKU as they provide essential nutrients without contributing to high phenylalanine levels.
Choice D reason:
Diet soda with aspartame should be avoided by individuals with PKU because aspartame is an artificial sweetener that contains phenylalanine. Consuming products with aspartame can lead to an increase in phenylalanine levels in the blood, which can be harmful to those with PKU. Therefore, diet soda with aspartame is not a suitable choice for children with PKU.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason:
Hypokalemia, or low potassium levels, is not typically associated with chronic renal failure. In fact, chronic renal failure often leads to hyperkalemia, which is an elevated level of potassium in the blood. This occurs because the kidneys are unable to excrete potassium effectively, leading to its accumulation in the body. Therefore, hypokalemia is not a clinical manifestation of chronic renal failure.
Choice B reason:
Oliguria, or reduced urine output, is a common clinical manifestation of chronic renal failure2. As the kidneys lose their ability to filter and excrete waste products, urine production decreases. This reduction in urine output is a key indicator of declining kidney function and is often observed in children with chronic renal failure. Monitoring urine output is crucial in assessing the progression of the disease and the effectiveness of treatment.
Choice C reason:
Hypotension, or low blood pressure, is not typically seen in chronic renal failure. Instead, hypertension, or high blood pressure, is more commonly associated with chronic renal failure. The kidneys play a crucial role in regulating blood pressure, and when they are not functioning properly, it can lead to an increase in blood pressure. Therefore, hypotension is not a clinical manifestation of chronic renal failure.
Choice D reason:
Massive hematuria, or the presence of a large amount of blood in the urine, is not a typical clinical manifestation of chronic renal failure. While hematuria can occur in some kidney conditions, it is not a defining feature of chronic renal failure. Chronic renal failure is more commonly associated with symptoms such as oliguria, fatigue, and swelling due to fluid retention.
Correct Answer is D
Explanation
Choice A reason:
Bacteriuria, or the presence of bacteria in the urine, is not a primary clinical manifestation of acute renal failure. While facial edema can occur due to fluid retention, bacteriuria is more commonly associated with urinary tract infections. Acute renal failure primarily affects the kidneys’ ability to filter waste and regulate fluid and electrolytes, leading to symptoms such as oliguria and hypertension.
Choice B reason:
Hematuria, or blood in the urine, can be a symptom of various kidney conditions, but it is not a primary manifestation of acute renal failure1. Pallor, or paleness, can occur due to anemia, which may be a secondary complication of chronic kidney disease rather than acute renal failure. The primary symptoms of acute renal failure are related to the sudden decline in kidney function, such as oliguria and hypertension.
Choice C reason:
Proteinuria, or the presence of excess protein in the urine, is more commonly associated with chronic kidney disease or nephrotic syndrome rather than acute renal failure. Muscle cramps can occur due to electrolyte imbalances, but they are not primary manifestations of acute renal failure. The primary symptoms of acute renal failure include oliguria and hypertension.
Choice D reason:
Oliguria, or reduced urine output, and hypertension, or high blood pressure, are primary clinical manifestations of acute renal failure. Acute renal failure results in a sudden decline in kidney function, leading to the retention of waste products and fluids, which can cause oliguria and hypertension. These symptoms are key indicators of acute renal failure and require prompt medical attention.
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