HESI RN
HESI Medical Surgical Practice Exam
1. The nurse is caring for a client with chronic renal failure who is receiving peritoneal dialysis. Which of the following findings should be reported immediately to the physician?
- A. Clear dialysate outflow.
- B. Increased blood pressure.
- C. Cloudy dialysate outflow.
- D. Decreased urine output.
Correct answer: C
Rationale: Cloudy dialysate outflow should be reported immediately to the physician. It is indicative of peritonitis, a severe infection of the peritoneal cavity and a serious complication of peritoneal dialysis. Prompt medical attention is crucial to prevent further complications or systemic infection. Clear dialysate outflow (Choice A) is a normal finding in peritoneal dialysis. Increased blood pressure (Choice B) and decreased urine output (Choice D) are common in clients with chronic renal failure and may not require immediate reporting unless they are significantly abnormal or accompanied by other concerning symptoms.
2. A child diagnosed with Kawasaki disease is brought to the clinic. The mother reports that her child is irritable, refuses to eat, and has skin peeling on both hands and feet. Which intervention should the nurse instruct the mother to implement first?
- A. Place the child in a quiet environment
- B. Make a list of foods that the child likes
- C. Encourage the parents to rest when possible
- D. Apply lotion to hands and feet
Correct answer: A
Rationale: Creating a quiet environment is the priority intervention as it helps reduce irritability and stress in children with Kawasaki disease. This intervention can promote a soothing atmosphere for the child, which may help in managing their symptoms effectively. Irritability and refusal to eat can be exacerbated by a noisy or stimulating environment. Making a list of foods the child likes is important, but addressing the immediate need for a calm environment takes precedence. Encouraging parents to rest is a good practice but not the immediate intervention needed for the child's symptoms. Applying lotion to hands and feet, although helpful for skin peeling, is not the first priority when dealing with irritability and refusal to eat.
3. A client with hypertension receives a prescription for enalapril, an angiotensin-converting enzyme (ACE) inhibitor. Which instruction should the nurse include in the medication teaching plan?
- A. Increase intake of potassium-rich foods.
- B. Report increased bruising or bleeding.
- C. Stop medication if a cough develops.
- D. Limit intake of leafy green vegetables.
Correct answer: B
Rationale: The correct instruction for the nurse to include in the medication teaching plan is to 'Report increased bruising or bleeding.' ACE inhibitors can cause thrombocytopenia, which lowers platelet count and increases the risk of bruising and bleeding. Choice A is incorrect because while ACE inhibitors may cause potassium levels to increase, the instruction should not be to increase intake of potassium-rich foods without healthcare provider guidance. Choice C is incorrect because a cough is a common side effect of ACE inhibitors due to bradykinin accumulation, and stopping the medication abruptly is not recommended without consulting the healthcare provider. Choice D is incorrect because there is no need to limit intake of leafy green vegetables specifically with ACE inhibitors; however, consistent intake of vitamin K-rich foods is recommended to maintain a stable INR for clients taking anticoagulants.
4. A water molecule contains two types of atoms that are covalently bonded. Which of the following makes up a water molecule?
- A. One hydrogen atom and one oxygen atom
- B. One hydrogen atom and two oxygen atoms
- C. Two hydrogen atoms and two oxygen atoms
- D. Two hydrogen atoms and one oxygen atom
Correct answer: D
Rationale: The correct answer is D: Two hydrogen atoms and one oxygen atom. A water molecule consists of two hydrogen atoms covalently bonded to one oxygen atom. This forms a stable structure known as H2O. Choice A is incorrect as water molecule contains two hydrogen atoms. Choices B and C are incorrect as they do not reflect the correct composition of a water molecule.
5. The healthcare provider prescribes amoxicillin (Amoxil) 1.5 grams PO daily, in equally divided doses to be administered every 8 hours. The medication is available in a bottle labeled Amoxicillin (Amoxil) suspension 200 mg/5 ml. How many ml should the nurse administer every 8 hours?
- A. 10 ml
- B. 12.5 ml
- C. 15 ml
- D. 17.5 ml
Correct answer: B
Rationale: To calculate the correct dosage, first, determine the total daily dose: 1.5 grams = 1500 mg. Since the medication is 200 mg/5 ml, for 1500 mg, the nurse needs to administer 1500/200 = 7.5 times the 5 ml dose. Therefore, 7.5 x 5 ml = 37.5 ml total daily dose. To administer this every 8 hours, divide 37.5 ml by 3 (8 hours intervals in a day) to get 12.5 ml to be administered every 8 hours. Choice A, C, and D are incorrect as they do not reflect the correct calculation of the dose based on the prescription and the available concentration.