HESI RN
Nutrition HESI Practice Exam
1. The nurse is reviewing laboratory results on a client with acute renal failure. Which one of the following should be reported immediately?
- A. Blood urea nitrogen 50 mg/dl
- B. Hemoglobin of 10.3 g/dl
- C. Venous blood pH 7.30
- D. Serum potassium 6 mEq/L
Correct answer: D
Rationale: A serum potassium level of 6 mEq/L indicates hyperkalemia, which can be life-threatening and requires immediate intervention. Hyperkalemia can lead to dangerous cardiac arrhythmias and must be addressed promptly. The other options are not as urgent. A blood urea nitrogen level of 50 mg/dl may indicate kidney dysfunction but does not require immediate intervention. Hemoglobin of 10.3 g/dl may suggest anemia, which needs management but is not an immediate threat. A venous blood pH of 7.30 may indicate acidosis, which is concerning but not as acutely dangerous as hyperkalemia.
2. The parents of a child on phenytoin (Dilantin) have received discharge instructions from the nurse. Which of the following statements suggests that the teaching was effective?
- A. We will call the healthcare provider if the child develops acne.
- B. Our child should brush and floss carefully after every meal.
- C. We will skip the next dose if vomiting or fever occurs.
- D. When our child is seizure-free for 6 months, we can stop the medication.
Correct answer: B
Rationale: The correct answer is B. Proper oral hygiene, including brushing and flossing carefully after every meal, is essential for children on phenytoin to prevent gingival hyperplasia, a common side effect. Choice A is incorrect because acne is not a common side effect of phenytoin and does not require immediate healthcare provider notification. Choice C is incorrect because vomiting or fever should not prompt skipping a dose without consulting the healthcare provider first. Choice D is incorrect because discontinuing phenytoin should never be done abruptly or without healthcare provider guidance, even if the child is seizure-free for 6 months.
3. The nurse is caring for a 7-year-old with acute glomerulonephritis (AGN). Findings include moderate edema and oliguria. Serum blood urea nitrogen and creatinine are elevated. What dietary modifications are most appropriate?
- A. Decreased carbohydrates and fat
- B. Decreased sodium and potassium
- C. Increased potassium and protein
- D. Increased sodium and fluids
Correct answer: B
Rationale: The correct answer is 'Decreased sodium and potassium.' In acute glomerulonephritis, managing edema and oliguria is crucial. Reducing sodium and potassium intake helps achieve this by decreasing fluid retention and workload on the kidneys. Choice A, 'Decreased carbohydrates and fat,' is not directly related to managing AGN. Choice C, 'Increased potassium and protein,' is incorrect as increasing potassium can be harmful in kidney conditions. Choice D, 'Increased sodium and fluids,' is also incorrect as it can exacerbate edema and hypertension in AGN.
4. Which of these findings would the nurse most closely associate with anemia in a 10-month-old infant?
- A. Hemoglobin level of 12 g/dL
- B. Pale mucosa of the eyelids and lips
- C. Hypoactivity
- D. A heart rate between 140 to 160
Correct answer: B
Rationale: The correct answer is B. Pale mucosa of the eyelids and lips is a classic sign of anemia in infants, indicating a lack of sufficient red blood cells. This finding is due to decreased hemoglobin levels, which causes reduced oxygen delivery to tissues. Choices A, C, and D are less specific to anemia in infants. While a hemoglobin level of 12 g/dL may be within the normal range for a 10-month-old infant, the presence of pale mucosa is a more indicative sign of anemia.
5. The client is being taught to select foods rich in potassium to help prevent digitalis toxicity. Which choice indicates the client understands dietary needs?
- A. Three apricots
- B. Medium banana
- C. Naval orange
- D. Baked potato
Correct answer: D
Rationale: The correct answer is D. A baked potato is high in potassium and helps prevent digitalis toxicity by maintaining adequate potassium levels. While choices A, B, and C all contain some potassium, a baked potato is a more concentrated source of potassium compared to three apricots, a medium banana, or a naval orange. Therefore, the client should choose a baked potato to better meet the dietary needs for preventing digitalis toxicity.
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