HESI LPN
HESI Fundamentals Study Guide
1. The nurse is caring for a client diagnosed with hypothyroidism. Which finding should the nurse expect to observe?
- A. Weight gain
- B. Heat intolerance
- C. Increased appetite
- D. Frequent diarrhea
Correct answer: A
Rationale: The correct answer is weight gain. In hypothyroidism, there is a decrease in metabolic rate, which can lead to weight gain. Heat intolerance (choice B) is more commonly associated with hyperthyroidism. Increased appetite (choice C) and frequent diarrhea (choice D) are not typical findings in hypothyroidism. Therefore, choices B, C, and D are incorrect.
2. A nurse is providing care to a client who has an indwelling urinary catheter. Which of the following actions should the nurse take to prevent catheter-associated urinary tract infections (CAUTIs)?
- A. Irrigate the catheter with sterile water daily.
- B. Empty the catheter bag every 8 hours.
- C. Clean the perineal area with antiseptic solution daily.
- D. Secure the catheter to the client's thigh.
Correct answer: D
Rationale: Securing the catheter to the client's thigh is the correct action to prevent CAUTIs. By securing the catheter, movement is minimized, reducing the risk of introducing bacteria into the urinary tract. Choice A is incorrect because routine irrigation of the catheter is not recommended as it can increase the risk of infection. Choice B is incorrect as emptying the catheter bag every 8 hours is important for proper drainage but does not directly prevent CAUTIs. Choice C is incorrect because cleaning the perineal area with antiseptic solution does not address the main source of CAUTIs related to catheter care.
3. The mother of a toddler calls the nurse for help as the baby is choking on his food. The nurse determines that the Heimlich maneuver is necessary based on which finding?
- A. Inability of the toddler to cry or speak
- B. Coughing forcefully
- C. Gagging but able to breathe
- D. Wheezing during respiration
Correct answer: A
Rationale: The correct answer is option A: Inability of the toddler to cry or speak. In cases of choking, the inability to cry or speak indicates a severe airway obstruction where the Heimlich maneuver is necessary to clear the obstruction and establish a patent airway. Option B, coughing forcefully, represents a partial obstruction where the child can still move air, making the Heimlich maneuver not immediately necessary. Option C, gagging but able to breathe, suggests a partial obstruction where air is moving, and the child can still breathe, not requiring immediate intervention like the Heimlich maneuver. Option D, wheezing during respiration, is more indicative of a lower airway issue such as asthma rather than an upper airway obstruction that necessitates the Heimlich maneuver.
4. A client with a history of hypertension is prescribed a diuretic. Which of the following laboratory values should the nurse monitor to evaluate the effectiveness of the medication?
- A. Monitor serum calcium levels.
- B. Monitor serum potassium levels.
- C. Monitor serum sodium levels.
- D. Monitor serum magnesium levels.
Correct answer: B
Rationale: The correct answer is to monitor serum potassium levels. When a client is prescribed a diuretic, monitoring serum potassium levels is essential to evaluate the medication's effectiveness and to detect potential electrolyte imbalances. Diuretics can cause potassium loss, leading to hypokalemia, which can have serious consequences such as cardiac arrhythmias. Monitoring serum calcium levels (Choice A) is not typically required when assessing the effectiveness of diuretics. Similarly, monitoring serum sodium levels (Choice C) is important for other conditions but is not the primary concern when evaluating diuretic therapy. Monitoring serum magnesium levels (Choice D) is also important, but potassium levels are more critical in assessing diuretic effectiveness and preventing complications.
5. What is the most important action for the LPN/LVN to take to prevent infection in a client with an indwelling urinary catheter?
- A. Ensure the catheter tubing is free of kinks.
- B. Change the catheter every 72 hours.
- C. Clean the perineal area with an antiseptic solution daily.
- D. Irrigate the catheter with normal saline every shift.
Correct answer: A
Rationale: The most crucial action to prevent infection in a client with an indwelling urinary catheter is to ensure the catheter tubing is free of kinks. This step helps prevent obstruction in the tubing, maintaining proper urine flow and reducing the risk of infection. Changing the catheter every 72 hours is not recommended unless clinically indicated, as routine changes can increase the risk of introducing pathogens. Cleaning the perineal area with an antiseptic solution is essential for general hygiene but does not directly prevent catheter-related infections. Irrigating the catheter with normal saline every shift is not a standard practice and can introduce microorganisms into the urinary tract, increasing the risk of infection.
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