HESI RN
HESI Fundamentals Practice Exam
1. A client is admitted with a diagnosis of left-sided heart failure. Which assessment finding is most consistent with this diagnosis?
- A. Dependent edema.
- B. Ascites.
- C. Nocturia.
- D. Orthopnea.
Correct answer: D
Rationale: Orthopnea (D) is most consistent with left-sided heart failure. It is characterized by difficulty breathing when lying flat and is relieved by sitting up or standing. Dependent edema (A), ascites (B), and nocturia (C) are more commonly associated with right-sided heart failure. Dependent edema refers to swelling due to fluid accumulation, ascites is the accumulation of fluid in the peritoneal cavity, and nocturia is the excessive need to urinate during the night, all of which are more indicative of right-sided heart failure.
2. A client with a diagnosis of hyperkalemia is receiving sodium polystyrene sulfonate (Kayexalate). Which laboratory value should the nurse monitor to evaluate the effectiveness of this medication?
- A. Serum sodium level.
- B. Serum potassium level.
- C. Serum calcium level.
- D. Serum glucose level.
Correct answer: B
Rationale: The correct answer is B: Serum potassium level. Sodium polystyrene sulfonate (Kayexalate) is used to treat hyperkalemia by exchanging sodium ions for potassium ions in the intestines, leading to potassium removal from the body. Monitoring the serum potassium level allows the nurse to assess the effectiveness of this medication in lowering the elevated potassium levels. Serum sodium (A), calcium (C), and glucose (D) levels are not directly impacted by the action of sodium polystyrene sulfonate.
3. The healthcare provider is assessing the nutritional status of several clients. Which client has the greatest nutritional need for additional intake of protein?
- A. A college-age track runner with a sprained ankle.
- B. A lactating woman nursing her 3-day-old infant.
- C. A school-aged child with Type 2 diabetes.
- D. An elderly man being treated for a peptic ulcer.
Correct answer: B
Rationale: A lactating woman (B) has the greatest need for additional protein intake. Lactation increases the metabolic demands for protein to support milk production, making it essential for the mother to have a higher protein intake. While clients in choices A, C, and D also require protein for various reasons, they do not have the same increased protein demands as a lactating woman. Choice A, a college-age track runner with a sprained ankle, may need protein for tissue repair but not at the level required during lactation. Choice C, a school-aged child with Type 2 diabetes, may benefit from protein for overall health but does not have the same increased protein needs as a lactating woman. Choice D, an elderly man being treated for a peptic ulcer, may need protein for healing but not to the extent required by a lactating woman.
4. In taking a client's history, the nurse asks about the stool characteristics. Which description should the nurse report to the health care provider as soon as possible?
- A. Daily black, sticky stool
- B. Daily dark brown stool
- C. Firm brown stool every other day
- D. Soft light brown stool twice a day
Correct answer: A
Rationale: The correct answer is A: Daily black, sticky stool. Black sticky stool (melena) is a sign of gastrointestinal bleeding and should be reported to the health care provider promptly. This finding indicates the presence of digested blood in the stool. Choices B, C, and D describe variations of normal stool color and consistency, which do not raise immediate concerns related to gastrointestinal bleeding.
5. Which instruction should be included in the discharge teaching plan for an adult client with hypernatremia?
- A. Monitor daily urine output volume
- B. Drink plenty of water whenever thirsty
- C. Use salt tablets for sodium content
- D. Review food labels for sodium content
Correct answer: D
Rationale: In hypernatremia, there is an excess of sodium in the blood. Reviewing food labels for sodium content is crucial as it helps the client identify and avoid high-sodium foods, which can contribute to elevated sodium levels. Monitoring urine output volume may be important for other conditions but is not directly related to managing hypernatremia. Drinking water whenever thirsty is generally good advice for staying hydrated but does not specifically address the issue of high sodium levels. Using salt tablets would worsen hypernatremia by further increasing sodium intake.
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