HESI RN
HESI Medical Surgical Assignment Exam
1. The provider has ordered Kayexalate and sorbitol to be administered to a patient. The nurse caring for this patient would expect which serum electrolyte values prior to administration of this therapy?
- A. Sodium 125 mEq/L and potassium 2.5 mEq/L
- B. Sodium 150 mEq/L and potassium 3.6 mEq/L
- C. Sodium 135 mEq/L and potassium 6.9 mEq/L
- D. Sodium 148 mEq/L and potassium 5.5 mEq/L
Correct answer: C
Rationale: Severe hyperkalemia, with a potassium level of 6.9 mEq/L, requires aggressive treatment with Kayexalate and sorbitol to increase the body’s excretion of potassium. The normal range for serum potassium is 3.5 to 5.5 mEq/L, so patients with the other potassium levels would not be treated aggressively or would need potassium supplementation. Therefore, option C (Sodium 135 mEq/L and potassium 6.9 mEq/L) is the correct choice as it indicates severe hyperkalemia warranting the administration of Kayexalate and sorbitol. Options A, B, and D have either potassium levels within normal limits, which would not necessitate this aggressive treatment, or potassium levels that are lower than what would typically prompt the need for Kayexalate and sorbitol.
2. A client is recovering after a nephrostomy tube was placed 6 hours ago. The nurse notes drainage in the tube has decreased from 40 mL/hr to 12 mL over the last hour. Which action should the nurse take?
- A. Document the finding in the client’s record.
- B. Evaluate the tube as working in the hand-off report.
- C. Clamp the tube in preparation for removing it.
- D. Assess the client’s abdomen and vital signs.
Correct answer: D
Rationale: The correct action for the nurse to take in this situation is to assess the client’s abdomen and vital signs. The nephrostomy tube should have a consistent amount of drainage, and a decrease may indicate obstruction. Before notifying the provider, the nurse must assess the client for pain, distention, and changes in vital signs. This assessment is crucial to gather essential information to report accurately. Documenting the finding without further assessment may delay necessary intervention. Evaluating the tube as working in the hand-off report or clamping the tube prematurely are not appropriate actions and could lead to complications if there is an obstruction.
3. What is the primary nursing intervention for a patient experiencing an acute asthma attack?
- A. Administering bronchodilators.
- B. Administering antibiotics.
- C. Administering IV fluids.
- D. Administering corticosteroids.
Correct answer: A
Rationale: The correct answer is administering bronchodilators. During an acute asthma attack, the primary goal is to relieve airway constriction and bronchospasm to improve breathing. Bronchodilators, such as short-acting beta-agonists, are the cornerstone of treatment as they help dilate the airways quickly. Administering antibiotics (choice B) is not indicated unless there is an underlying bacterial infection. Administering IV fluids (choice C) may be necessary in some cases, but it is not the primary intervention for an acute asthma attack. Administering corticosteroids (choice D) is often used as an adjunct therapy to reduce airway inflammation, but it is not the primary intervention during the acute phase of an asthma attack.
4. What is the most common symptom of gastroesophageal reflux disease (GERD)?
- A. Heartburn.
- B. Nausea.
- C. Abdominal pain.
- D. Vomiting.
Correct answer: A
Rationale: The correct answer is A: Heartburn. Heartburn is the most common symptom of GERD as it occurs due to the reflux of stomach acid into the esophagus. This leads to a burning sensation in the chest that can worsen after eating, lying down, or bending over. Choice B, Nausea, is not typically the most common symptom of GERD, although it can occur in some cases. Choice C, Abdominal pain, is not a primary symptom of GERD and is more commonly associated with other gastrointestinal conditions. Choice D, Vomiting, is also not the most common symptom of GERD, although it can occur in severe cases or as a result of complications.
5. A patient is taking a thiazide diuretic and reports anorexia and fatigue. The nurse suspects which electrolyte imbalance in this patient?
- A. Hypercalcemia
- B. Hypocalcemia
- C. Hyperkalemia
- D. Hypokalemia
Correct answer: D
Rationale: The correct answer is D: Hypokalemia. Thiazide diuretics lead to potassium loss, potentially causing hypokalemia. Anorexia and fatigue are common manifestations of hypokalemia. Hypercalcemia (choice A) and hypocalcemia (choice B) are not directly associated with thiazide diuretics. Hyperkalemia (choice C) is less likely than hypokalemia to be caused by thiazide diuretics.
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