HESI LPN
HESI CAT Exam
1. When assessing a mildly obese 35-year-old female client, the nurse is unable to locate the gallbladder when palpating below the liver margin at the lateral border of the rectus abdominal muscle. What is the most likely explanation for the failure to locate the gallbladder by palpation?
- A. The client is too obese.
- B. Palpating in the wrong location.
- C. The gallbladder is normal.
- D. Deeper palpation technique is needed.
Correct answer: A
Rationale: The correct answer is A. Obesity can make it difficult to palpate the gallbladder due to increased abdominal tissue, making it challenging to locate specific structures. Choice B is incorrect because the nurse is palpating in the correct location below the liver margin at the lateral border of the rectus abdominal muscle, where the gallbladder is typically located. Choice C is incorrect as the inability to palpate the gallbladder does not necessarily indicate abnormality; it may be due to anatomical variations or technical challenges. Choice D is incorrect as the issue lies more with the difficulty posed by excess adipose tissue rather than the need for deeper palpation techniques.
2. When caring for a client with diabetes insipidus (DI), it is most important for the nurse to include frequent assessment for which conditions in the client’s plan of care?
- A. Dry mucous membranes, hypotension
- B. Decreased appetite, headache
- C. Nausea and vomiting, muscle weakness
- D. Elevated blood pressure, petechiae
Correct answer: A
Rationale: Dry mucous membranes and hypotension are key indicators of dehydration in clients with diabetes insipidus. The excessive urination associated with DI can lead to fluid loss, resulting in dehydration. Therefore, monitoring for signs such as dry mucous membranes and hypotension is crucial to assess the client's hydration status. Choices B, C, and D are not directly related to the characteristic symptoms of DI and are less relevant in the context of this condition. Decreased appetite and headache (Choice B) are nonspecific symptoms that may occur in various conditions. Nausea, vomiting, and muscle weakness (Choice C) are not typical manifestations of DI. Elevated blood pressure and petechiae (Choice D) are not commonly associated with DI; instead, hypotension is more commonly observed due to volume depletion.
3. While a patient is receiving beta-1b interferon every other day for multiple sclerosis, which serum laboratory test findings should the nurse monitor to assess for possible bone marrow suppression caused by the medication? (Select all that apply)
- A. Platelet count
- B. White blood cell count (WBC)
- C. Sodium and potassium
- D. Red blood cell count (RBC)
Correct answer: A
Rationale: Beta-1b interferon can lead to bone marrow suppression, impacting blood cell production. Therefore, monitoring the platelet count, white blood cell count (WBC), and red blood cell count (RBC) is essential. Platelet count is a direct indicator of bone marrow function and can show early signs of bone marrow suppression. While sodium, potassium, and albumin/protein levels are important for overall health assessment, they are not directly associated with bone marrow suppression caused by the medication.
4. The nurse plans to collect a 24-hour urine specimen for a creatinine clearance test. Which instruction should the nurse provide to the adult male client?
- A. Urinate at the specified time, discard this urine, and collect all subsequent urine over the next 24 hours.
- B. Cleanse around the meatus, discard the first portion of voiding, and collect the rest in a sterile bottle.
- C. For the next 24 hours, notify the nurse when the bladder is full, and the nurse will collect catheterized specimens.
- D. Urinate immediately into a urinal, and the lab will collect the specimen every 6 hours for the next 24 hours.
Correct answer: A
Rationale: The correct instruction for the adult male client to follow when collecting a 24-hour urine specimen for a creatinine clearance test is to urinate at the specified time, discard this urine, and collect all subsequent urine over the next 24 hours. This method ensures proper collection for an accurate creatinine clearance measurement. Choice B is incorrect as it describes a different procedure for a clean-catch urine sample, not suitable for creatinine clearance. Choice C is incorrect as it suggests catheterization, which is not typically done for a creatinine clearance test, and it is not necessary for this procedure. Choice D is incorrect as it does not follow the standard procedure for a 24-hour urine collection for creatinine clearance; the urine should be collected continuously over 24 hours, not at specified intervals.
5. To prevent aspiration in a client on mechanical ventilation receiving continuous enteral feedings through a nasogastric tube, which intervention is most important for the nurse to implement?
- A. Verify the feeding tube position with a daily chest x-ray
- B. Maintain head of bed elevated while enteral feeding is infusing
- C. Check feeding tube placement with air bolus prior to use
- D. Aspirate stomach contents every 4 hours to assess residuals
Correct answer: B
Rationale: The most important intervention to prevent aspiration in a client receiving continuous enteral feedings through a nasogastric tube while on mechanical ventilation is to maintain the head of the bed elevated while the feeding is infusing. This position helps reduce the risk of regurgitation and aspiration. Options A, C, and D are not as crucial as maintaining proper positioning to prevent aspiration. Verifying tube position with a daily chest x-ray is important but not the most crucial. Checking tube placement with an air bolus and aspirating stomach contents are important procedures but do not directly address the prevention of aspiration during enteral feedings.
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