HESI RN
HESI RN CAT Exam Quizlet
1. A client with cirrhosis is taking lactulose (Cephulac). Which finding indicates that the lactulose is having the desired effect?
- A. Two to three soft bowel movements per day
- B. Increased serum ammonia levels
- C. Decreased white blood cell count
- D. Soft, formed stool twice a day
Correct answer: A
Rationale: The correct answer is A: 'Two to three soft bowel movements per day.' Lactulose is prescribed to produce soft, regular bowel movements to reduce ammonia levels in clients with cirrhosis. This helps in preventing hepatic encephalopathy. Option B is incorrect because increased serum ammonia levels would indicate that lactulose is not effectively reducing ammonia levels. Option C is incorrect because lactulose does not directly affect white blood cell counts. Option D is incorrect because soft, formed stools twice a day may not be frequent enough to effectively reduce ammonia levels in clients with cirrhosis.
2. The nurse is caring for a client who is receiving total parenteral nutrition (TPN) via a central venous catheter. Which assessment finding indicates a complication related to the TPN?
- A. Blood glucose level of 180 mg/dl
- B. Serum potassium level of 4.0 mEq/L
- C. Weight gain of 2 pounds in 24 hours
- D. White blood cell count of 7000/mm3
Correct answer: C
Rationale: A weight gain of 2 pounds in 24 hours is concerning as it indicates fluid retention, a potential complication of TPN leading to fluid overload. Elevated blood glucose levels (Choice A) are expected in TPN, serum potassium levels (Choice B) are within the normal range, and a white blood cell count (Choice D) of 7000/mm3 is also normal. Therefore, the correct answer is C, as it suggests a complication related to TPN.
3. While assessing a client who is experiencing Cheyne-Stokes respirations, the nurse observes periods of apnea. What action should the nurse implement?
- A. Elevate the head of the client's bed
- B. Auscultate the client's breath sounds
- C. Measure the length of the apneic periods
- D. Suction the client's oropharynx
Correct answer: C
Rationale: When a nurse observes periods of apnea in a client experiencing Cheyne-Stokes respirations, measuring the length of the apneic periods is essential. This action helps in determining the severity of Cheyne-Stokes respirations by providing valuable information about the duration of interrupted breathing cycles. Elevating the head of the client's bed (Choice A) may be beneficial in some respiratory conditions but is not the priority in Cheyne-Stokes respirations. Auscultating the client's breath sounds (Choice B) is a general assessment and may not directly address the issue of apnea in Cheyne-Stokes respirations. Suctioning the client's oropharynx (Choice D) is not the initial intervention for managing Cheyne-Stokes respirations unless secretions are obstructing the airway.
4. The client is being taught how to take alendronate (Fosamax) for osteoporosis treatment. Which statement indicates that the client needs further teaching?
- A. I should take this medication at bedtime
- B. I will need to take this medication for at least 3 years
- C. I should sit up for 30 minutes after taking the medication
- D. I should take this medication with a full glass of water
Correct answer: A
Rationale: The correct answer is A because taking Fosamax at bedtime is incorrect. It should be taken in the morning with a full glass of water to prevent esophageal irritation. Choice B is correct; alendronate is typically taken for several years to treat osteoporosis. Choice C is correct as remaining upright for 30 minutes after taking Fosamax helps prevent esophageal irritation. Choice D is also correct as taking alendronate with a full glass of water is necessary to ensure proper absorption.
5. A 2-year-old boy with short bowel syndrome has progressed to receiving enteral feedings only. Today his stools are occurring more frequently and have a more liquid consistency. His temperature is 102.2°F and he has vomited twice in the past four hours. Which assessment finding indicates that the child is becoming dehydrated?
- A. Occult blood in the stool
- B. Abdominal distention
- C. Elevated urine specific gravity
- D. Hyperactive bowel sounds
Correct answer: C
Rationale: Elevated urine specific gravity is a sign of dehydration in children. In the scenario provided, the child is experiencing increased stool frequency, liquid consistency, fever, and vomiting, indicating fluid loss and potential dehydration. Occult blood in the stool may suggest gastrointestinal bleeding but is not a direct indicator of dehydration. Abdominal distention can be seen in various conditions and is not specific to dehydration. Hyperactive bowel sounds are more commonly associated with increased bowel motility, not necessarily dehydration.
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