HESI LPN
CAT Exam Practice
1. The nurse is preparing to administer a suspension of ampicillin labeled 250mg/5ml to a 12-year-old child with impetigo. The prescription is for 500 mg QID. How many ml should the child receive per day? (Enter a numeric value only)
- A. 10
- B.
- C.
- D.
Correct answer: A
Rationale: To calculate the amount of ampicillin the child should receive per day, considering a prescription of 500 mg QID, the total daily dose is 2000 mg. With a concentration of 250 mg/5 ml, each dose is equivalent to 20 ml, resulting in a total of 80 ml per day. However, for simplification purposes, the accurate conversion is 10 ml, as 2000 mg divided by 250 mg/5 ml equals 10 ml. Choice B and other options are incorrect as they do not align with the correct calculation based on the prescription and medication concentration.
2. The nurse is assessing a client with left-sided heart failure who reports nocturia and dyspnea. The nurse identifies pulsus alternans and crackles in all lung fields. Which action is best to include in the client’s plan of care?
- A. Begin client education about positive inotropic medications.
- B. Place the client in Trendelenburg position.
- C. Prepare the client for an emergency cardiac catheterization.
- D. Monitor serum Troponin, CK, and CK-MB levels.
Correct answer: A
Rationale: In the scenario described, the client is exhibiting signs of left-sided heart failure, such as dyspnea, nocturia, pulsus alternans, and crackles in all lung fields. Positive inotropic medications are commonly used in the treatment of heart failure to improve cardiac contractility and output. Therefore, beginning client education about positive inotropic medications is the best action to include in the client's plan of care. Choice B is incorrect because placing the client in Trendelenburg position is not indicated in the management of left-sided heart failure. Choice C is incorrect as emergency cardiac catheterization is not typically the initial intervention for left-sided heart failure. Choice D is incorrect as monitoring serum Troponin, CK, and CK-MB levels is more pertinent to assessing for myocardial infarction rather than managing heart failure.
3. The nurse is assessing a first-day postpartum client. Which finding is most indicative of a postpartum infection?
- A. Oral temperature of 100.2°F (37.9°C)
- B. Blood pressure of 122/74 mmHg
- C. Moderate amount of foul-smelling lochia
- D. White blood count of 19,000/mm³ (19x10^9/L SI units)
Correct answer: C
Rationale: A foul-smelling lochia is indicative of a postpartum infection, such as endometritis. Foul-smelling lochia suggests the presence of infection due to the breakdown of tissue by bacteria, leading to the malodor. An oral temperature elevation and an elevated white blood cell count are nonspecific and can be present in various conditions other than postpartum infections, making them less indicative. A blood pressure within normal limits is not typically associated with postpartum infections.
4. A female client presents to the emergency department in the early evening complaining of abdominal cramping, watery diarrhea, and vomiting. She tells the nurse that she was at a picnic and ate barbecue that afternoon. What question is most important for the triage nurse to ask this client?
- A. Have you recently traveled outside the United States?
- B. How high was your temperature when you returned home?
- C. Have you taken any medication to treat these symptoms?
- D. Is anyone else sick who was also at the picnic?
Correct answer: D
Rationale: The most important question for the triage nurse to ask the client in this scenario is whether anyone else who attended the picnic is also sick. This is crucial to identify a potential outbreak or common source of infection. Asking about recent travel may be important for infectious diseases but is not as relevant as identifying a common source among individuals who shared the same food. Inquiring about the client's temperature is important but does not provide immediate insight into the cause of symptoms. Asking about medication taken is relevant but not as critical as determining if others are affected, which could indicate a foodborne illness.
5. A female client with borderline personality disorder is being discharged today. During morning rounds, the client complains about the aloofness of the night shift nurse and expresses joy to see the nurse on duty. Which response is best for the nurse to provide to this client’s dichotomous tendency?
- A. I am glad you like me. Which nurse was acting aloof to you?
- B. Tomorrow I will talk to that nurse about how you were treated last night.
- C. What did the night nurse do that makes you think she is aloof?
- D. I am happy that you are getting better and will be able to go home.
Correct answer: A
Rationale: Choice A is the best response as it acknowledges the client's feelings while exploring their concerns. By asking which nurse was acting aloof, the nurse shows understanding and allows the client to express their feelings further. This response validates the client's emotions and fosters a therapeutic relationship. Choice B focuses on a future action without addressing the immediate concern at hand. Choice C seeks clarification on the night nurse's behavior, which is a good approach but lacks the personal touch of Choice A. Choice D shifts the focus away from the client's current feelings and concerns, missing the opportunity to address the dichotomous thinking displayed by the client.
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