HESI LPN
HESI CAT Exam 2022
1. A client is receiving lidocaine IV at 3 mg/minute. The pharmacy dispenses a 500 ml IV solution of normal saline (NS) with 2 grams of lidocaine. The nurse should regulate the infusion pump to deliver how many ml/hour?
- A. 18
- B. 27
- C. 36
- D. 45
Correct answer: D
Rationale: The infusion rate is calculated based on the concentration of lidocaine and the prescribed rate of infusion. First, convert lidocaine's weight to milligrams (2 grams = 2000 mg). Then, use the formula: (Total volume in ml * dose in mg) / 60 minutes. For this case, (500 ml * 2000 mg) / 60 minutes = 45 ml/hour. Therefore, the correct answer is D. Choices A, B, and C are incorrect as they do not reflect the accurate calculation based on the provided concentration and infusion rate.
2. An angry client screams at the emergency department triage nurse, “I’ve been waiting here for two hours! You and the staff are incompetent”. What is the best response for the nurse to make?
- A. The emergency department is very busy at this time.
- B. I’ll let you see the doctor next because you’ve waited so long.
- C. I’m doing the best I can for the sickest clients first.
- D. I understand you are frustrated with the wait time.
Correct answer: D
Rationale: Correct Answer: The best response for the nurse is to choose option D, 'I understand you are frustrated with the wait time.' This response demonstrates empathy and validates the client's feelings, helping to defuse the situation. Choice A is not the best response as it does not directly address the client's emotions or concerns. Choice B is inappropriate as it gives preferential treatment based on the client's behavior. Choice C, while true, does not acknowledge the client's frustration or offer empathy.
3. The nurse is completing a neurological assessment on a client with a closed head injury. The Glasgow Coma Scale (GCS) score was 13 on admission. It is now assessed at 6. What is the priority nursing intervention based on the client’s current GCS?
- A. Notify the healthcare provider of the GCS score
- B. Prepare the family for the client’s imminent death
- C. Monitor the client q1 hour for changes in the GCS score
- D. Begin cardiopulmonary resuscitation (CPR)
Correct answer: A
Rationale: A significant drop in GCS indicates a severe decline in neurological status, necessitating immediate communication with the healthcare provider. Notifying the healthcare provider allows for prompt evaluation and intervention to address the worsening condition. Choice B is incorrect because preparing the family for imminent death is premature and not supported by the information provided. Choice C is incorrect as the frequency of monitoring should be increased to every 15 minutes rather than every hour due to the significant drop in GCS. Choice D is incorrect because initiating CPR is not indicated based solely on a decreased GCS score.
4. To differentiate adventitious lung sounds associated with heart failure from those associated with bacterial pneumonia, what information should the nurse review?
- A. Sputum culture findings
- B. Oxygen saturation level
- C. Amount of coughing
- D. Respiratory rate
Correct answer: A
Rationale: The correct answer is A: Sputum culture findings. Reviewing sputum culture findings can provide valuable information to differentiate between bacterial pneumonia and heart failure, as the type of bacteria present in the sputum can help identify the specific infection. Oxygen saturation level (Choice B) is important for assessing oxygenation status but does not directly help in distinguishing between the two conditions based on lung sounds. The amount of coughing (Choice C) and respiratory rate (Choice D) may offer some clinical insights but are not as specific or diagnostic as sputum culture findings when differentiating between heart failure and bacterial pneumonia.
5. Which assessment finding is most indicative of deep vein thrombosis (DVT) in a client’s right leg?
- A. Dorsiflexes the right foot and left foot on command
- B. A 3 by 5 cm ecchymosis area on the right calf
- C. Right calf is 3 cm larger in circumference than the left calf
- D. Bilateral lower extremities have 3+ pitting edema
Correct answer: C
Rationale: The correct answer is C because a significant difference in calf circumference between the legs is a classic sign of DVT. This is due to the obstruction of blood flow in the deep veins of the leg, leading to swelling in the affected limb. Choices A, B, and D are not typical findings of DVT. Choice A describes a neurological response, choice B indicates a bruise on the right calf, and choice D describes pitting edema in both lower extremities, which are not specific signs of DVT.
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