HESI RN
HESI RN CAT Exit Exam
1. The nurse is administering total parenteral nutrition (TPN) via a central line at 75 ml/hour to a client who had a bowel resection 4 days ago. Which laboratory finding requires the most immediate intervention by the nurse?
- A. Blood glucose of 140 mg/dL
- B. White blood cell count of 8000/mm³
- C. Serum potassium of 3.8 mEq/L
- D. Serum calcium of 7.8 mg/dL
Correct answer: D
Rationale: The correct answer is D. A serum calcium level of 7.8 mg/dL requires immediate intervention due to the risk of hypocalcemia. Hypocalcemia can lead to serious complications such as tetany, seizures, and cardiac arrhythmias. The other laboratory findings are within normal limits or slightly elevated, which do not pose an immediate threat to the client's health in this scenario.
2. The mother of a 6-year-old anemic boy is taught by the nurse to give iron supplements. Which statement indicates that the mother understands the proper administration of iron?
- A. The iron tablets will be absorbed between meals, on an empty stomach
- B. I should give the iron tablets with his milk and cereal each morning
- C. Iron preparations can be taken with antibiotics if he develops an infection
- D. The iron tablets may cause him to sunburn more easily so he should wear sunscreen
Correct answer: A
Rationale: The correct answer is A because iron supplements are best absorbed on an empty stomach, which maximizes their effectiveness. Giving iron tablets with milk or calcium-rich foods, as mentioned in choice B, should be avoided as they can decrease iron absorption. Choice C is incorrect because iron preparations should not be taken with antibiotics due to potential interactions. Choice D is also incorrect as iron tablets do not cause an increased risk of sunburn, so sunscreen is not necessary specifically due to iron supplementation.
3. 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.
4. A 24-year-old female client who has a history of rheumatoid arthritis (RA) is taking ibuprofen (Motrin) for pain relief. Which information should the nurse provide the client about taking this medication?
- A. Take the medication with meals
- B. Take the medication with an antacid
- C. Report any changes in stool color to your healthcare provider
- D. Avoid taking aspirin while using this medication
Correct answer: C
Rationale: The correct answer is to instruct the client to report any changes in stool color to the healthcare provider. This is important because changes in stool color can indicate gastrointestinal bleeding, a serious side effect of nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen. Choice A is incorrect because while taking ibuprofen with meals can help reduce stomach upset, it is not the most crucial information to provide. Choice B is incorrect as taking ibuprofen with an antacid is not a standard recommendation. Choice D is also incorrect because while ibuprofen and aspirin are both NSAIDs, they can be taken together under certain circumstances, but it's important to be cautious and follow healthcare provider recommendations.
5. When caring for a laboring client whose contractions are occurring every 2 to 3 min, the nurse should document that the pump is infusing how many ml/hr?
- A. 42
- B. 50
- C. 60
- D. 70
Correct answer: A
Rationale: To calculate the infusion rate, we first need to determine the frequency of contractions per hour. If contractions are occurring every 2 to 3 minutes, this corresponds to 20 to 30 contractions in an hour (60 minutes). The average is 25 contractions in an hour. The pump should be infusing 1 ml for each contraction, so the infusion rate should be 25 ml/hr. Therefore, the correct answer is 42 ml/hr. Choices B, C, and D are incorrect as they do not align with the calculation based on the given data.
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