HESI LPN
CAT Exam Practice Test
1. In Duchenne muscular dystrophy, if a child has a Gower sign, what behavior should the nurse expect the child to exhibit?
- A. Stands from sitting on the floor by using hands to walk up legs
- B. Exhibits muscular atrophy of upper and lower extremities
- C. Is unable to stand because of contractures of both hips
- D. Walks with an unsteady gait and slaps feet on the floor
Correct answer: A
Rationale: The Gower sign is a characteristic finding in Duchenne muscular dystrophy where a child uses hands to walk up the legs when standing from a sitting position due to proximal muscle weakness. This behavior is indicative of the child trying to compensate for weak hip and thigh muscles. Choices B, C, and D are incorrect because they do not describe the specific behavior associated with the Gower sign. Muscular atrophy, contractures of both hips, and an unsteady gait with foot slapping are not directly related to the Gower sign.
2. A male client with hypertension, who received new antihypertensive prescriptions at his last visit returns to the clinic two weeks later to evaluate his blood pressure (BP). His BP is 158/106 mmHg and he admits that he has not been taking the prescribed medication because the drugs make him feel bad. In explaining the need for hypertension control, the nurse should stress that an elevated BP places the client at risk for which pathophysiological condition?
- A. Stroke secondary to hemorrhage
- B. Acute kidney injury due to glomerular damage
- C. Heart block due to myocardial damage
- D. Blindness secondary to cataracts
Correct answer: A
Rationale: The correct answer is A: Stroke secondary to hemorrhage. Hypertension increases the risk of stroke due to the stress and damage it causes to blood vessels, which can lead to hemorrhage. Choice B is incorrect because acute kidney injury is more commonly associated with chronic uncontrolled hypertension, not acute elevations. Choice C is incorrect as heart block is not a direct consequence of hypertension. Choice D is incorrect as hypertension does not directly cause cataracts leading to blindness.
3. A client collapses while showering and is found by the nurse while making rounds. The client is not breathing and does not have a palpable pulse. The nurse obtains the Automated External Defibrillator (AED). What action should the nurse implement next?
- A. Follow the prompts of the AED
- B. Apply the AED pads to the client’s chest
- C. Wipe the client’s chest dry
- D. Move the client from the bathroom
Correct answer: B
Rationale: Applying the AED pads is the immediate next step after obtaining the AED in a cardiac arrest situation. Placing the pads correctly on the client's chest is crucial for the AED to analyze the heart rhythm accurately and deliver a shock if needed. Following the prompts of the AED comes after the pads are in place. Wiping the client's chest dry or moving the client from the bathroom are not priorities at this critical moment and may delay life-saving interventions.
4. A client with chronic alcoholism is admitted with a decreased serum magnesium level. Which snack option should the nurse recommend to this client?
- A. Cheddar cheese and crackers
- B. Carrot and celery sticks
- C. Beef bologna sausage slices
- D. Dry roasted almonds
Correct answer: D
Rationale: Dry roasted almonds are the most suitable snack option for a client with chronic alcoholism and a decreased serum magnesium level because they are high in magnesium. Magnesium is essential in addressing the deficiency. Cheddar cheese and crackers (Choice A) do not contain as much magnesium as almonds. Carrot and celery sticks (Choice B) are healthy choices but do not provide a significant amount of magnesium. Beef bologna sausage slices (Choice C) are not a good choice as processed meats are not rich in magnesium.
5. A school nurse is called to the soccer field because a child has a nosebleed (epistaxis). In what position should the nurse place the child?
- A. Sitting up and leaning forward
- B. Reclining with head elevated
- C. Sitting up with head tilted back
- D. Lying flat on the back
Correct answer: A
Rationale: The correct position for a child with a nosebleed (epistaxis) is sitting up and leaning forward. This position helps prevent blood from flowing into the throat and causing choking. Choice B, reclining with the head elevated, and choice D, lying flat on the back, are incorrect as they can cause blood to flow backward into the throat. Choice C, sitting up with the head tilted back, is also incorrect as it can lead to blood flowing down the back of the throat and potentially into the airway.
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