HESI LPN
HESI CAT Exam Quizlet
1. An 8-year-old child who weighs 60 pounds receives an order for Polycilin (Ampicillin) suspension 25 mg/kg/day divided into a dose every 8 hours. The medication is labeled '125 mg/5 ml'. How many ml should the nurse administer per dose every 8 hours?
- A. 5
- B. 10
- C. 15
- D. 20
Correct answer: A
Rationale: Calculate the daily dose first: 60 pounds x 25 mg/kg = 1500 mg/day. Divide by 3 doses = 500 mg/dose. Convert to mL: (500 mg / 125 mg) x 5 ml = 20 ml. However, the question asks for the dose per administration every 8 hours, which is 1/3 of the daily dose. So, the correct calculation should be (20 ml / 3) = 6.67 ml, which rounds to 5 ml. Therefore, the correct answer is 5 ml. Choice B (10 ml) is incorrect because it doesn't consider the frequency of dosing. Choice C (15 ml) is incorrect as it overestimates the dose. Choice D (20 ml) is incorrect as it represents the total daily dose, not the dose per administration every 8 hours.
2. While assessing a client four hours post-thoracentesis, the nurse is unable to auscultate breath sounds on the right side of the chest. What action should the nurse take first?
- A. Instruct the client to perform cough and deep breathing exercises
- B. Assess the client’s vital signs and respiratory effort
- C. Administer oxygen via nasal cannula according to the PNR protocol
- D. Document assessment findings in the client’s medical record
Correct answer: B
Rationale: The correct first action for the nurse to take in this situation is to assess the client’s vital signs and respiratory effort. It is crucial to promptly detect any immediate complications or changes in the client's condition. Instructing cough and deep breathing exercises (choice A) can be considered after further assessment. Administering oxygen (choice C) should be based on assessment findings and healthcare provider's orders. While documenting the findings (choice D) is essential, it should not be the first action when a potential issue with breath sounds is detected.
3. During an admission assessment on an HIV positive client diagnosed with Pneumocystis carinii pneumonia (PCP), which symptoms should the nurse carefully observe the client for?
- A. Weight loss exceeding 10 percent of baseline body weight
- B. Altered mental status and tachypnea
- C. Creamy white patches in the oral cavity
- D. Normal ABGs with wet lung sounds in all lung fields
Correct answer: B
Rationale: The correct answer is B: Altered mental status and tachypnea. These symptoms are indicative of PCP and severe HIV progression. Weight loss exceeding 10 percent of baseline body weight (choice A) may be seen in HIV/AIDS but is not specific to PCP. Creamy white patches in the oral cavity (choice C) are characteristic of oral thrush, which is more commonly associated with Candida infections in HIV patients. Normal ABGs with wet lung sounds in all lung fields (choice D) would not be expected with PCP, as it typically presents with hypoxemia and diffuse bilateral infiltrates on chest imaging.
4. The nurse is preparing to administer an oral antibiotic to a client with unilateral weakness, ptosis, mouth drooping, and aspiration pneumonia. What is the priority nursing assessment that should be done before administering this medication?
- A. Ask the client about soft food preferences
- B. Auscultate the client’s breath sounds
- C. Obtain and record the client’s vital signs
- D. Determine which side of the body is weak
Correct answer: B
Rationale: The correct answer is to auscultate the client’s breath sounds. Assessing breath sounds is crucial in this scenario as it helps ensure that the client can safely swallow the oral antibiotic without aspirating. Unilateral weakness, ptosis, mouth drooping, and aspiration pneumonia indicate potential swallowing difficulties, making it essential to assess breath sounds for any signs of respiratory issues. Asking about food preferences (choice A) may be relevant later but is not the priority before administering the medication. While obtaining vital signs (choice C) is important, assessing breath sounds takes precedence in this case. Determining which side of the body is weak (choice D) is not the priority assessment before administering the oral antibiotic.
5. The nurse is caring for a laboring 22-year-old primigravida following administration of regional anesthesia. In planning care for this client, what nursing intervention has the highest priority?
- A. Raising the side rails and placing the call bell within reach
- B. Teaching the client how to push to decrease the length of the second stage of labor
- C. Timing and recording uterine contractions
- D. Positioning the client for proper distribution of anesthesia
Correct answer: D
Rationale: The highest priority nursing intervention for a laboring client following administration of regional anesthesia is to position the client for proper distribution of anesthesia. Proper positioning ensures effective pain management during labor, optimizing the effects of the regional anesthesia. While raising the side rails and placing the call bell within reach (choice A) is important for safety, teaching the client how to push (choice B) and timing and recording uterine contractions (choice C) are vital aspects of care but are not the highest priority immediately after administering regional anesthesia.
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