HESI LPN
HESI PN Exit Exam
1. Which intervention is most appropriate when caring for a patient experiencing a tonic-clonic seizure?
- A. Restrain the patient to prevent injury
- B. Place a tongue depressor in the patient's mouth
- C. Turn the patient to the side to maintain an open airway
- D. Attempt to stop the seizure by holding the patient’s arms
Correct answer: C
Rationale: During a tonic-clonic seizure, the priority is to ensure patient safety by maintaining an open airway to prevent aspiration. Turning the patient to the side helps achieve this goal by allowing any fluids to drain out of the mouth, reducing the risk of choking or aspiration. Restraint can lead to injury, placing a tongue depressor can cause harm or obstruct the airway further, and attempting to stop the seizure by holding the patient's arms is ineffective and can also result in injury. Therefore, the most appropriate intervention is to turn the patient to the side.
2. Which electrolyte imbalance is most commonly associated with seizures?
- A. Hyponatremia
- B. Hypercalcemia
- C. Hyperkalemia
- D. Hypokalemia
Correct answer: A
Rationale: The correct answer is A: Hyponatremia. Hyponatremia, characterized by low sodium levels in the blood, can lead to cerebral edema and seizures due to water shifting into brain cells. Hypercalcemia (choice B) does not commonly cause seizures but can result in muscle weakness and cardiac arrhythmias. Hyperkalemia (choice C) may lead to muscle weakness and cardiac arrhythmias, but it is less frequently associated with seizures. Hypokalemia (choice D) is linked to muscle weakness and cardiac arrhythmias but is not typically related to seizures.
3. The mother of a 9-month-old child diagnosed with respiratory syncytial virus (RSV) yesterday calls the clinic to inquire if it will be all right to take her infant to a friend's child's first birthday party the following day. Which response should the nurse provide?
- A. Do not expose other children as the virus is very contagious even without direct contact
- B. The child will no longer be contagious, no need to take any further precautions
- C. The child can be around other children but should wear a mask
- D. Make sure there are no children under the age of 5 months around the infected child
Correct answer: A
Rationale: The correct response is A: 'Do not expose other children as the virus is very contagious even without direct contact.' RSV is highly contagious, especially in young children. Allowing the infected child to attend a birthday party can put other children at risk of contracting the virus. Choice B is incorrect as RSV can remain contagious for a period of time. Choice C is not sufficient, as wearing a mask may not entirely prevent the spread of the virus. Choice D is inaccurate, as children under 5 months are not the only ones susceptible to RSV; all young children are at risk.
4. Which electrolyte imbalance is most likely to cause cardiac arrhythmias?
- A. Hyperkalemia
- B. Hypocalcemia
- C. Hypernatremia
- D. Hypokalemia
Correct answer: A
Rationale: Hyperkalemia is the correct answer as it can lead to dangerous cardiac arrhythmias due to its effects on the electrical conduction of the heart. High levels of potassium can disrupt the normal electrical activity of the heart, potentially leading to life-threatening arrhythmias. Hypocalcemia (choice B) is not the most likely cause of cardiac arrhythmias compared to hyperkalemia. Hypernatremia (choice C), referring to high sodium levels, is not directly associated with causing cardiac arrhythmias. While hypokalemia (choice D), low potassium levels, can also lead to cardiac arrhythmias, hyperkalemia is the more likely culprit in causing severe disturbances in heart rhythm.
5. All of the following are posture and body alignment problems EXCEPT:
- A. Kyphosis
- B. Scoliosis
- C. Thrombosis
- D. Lumbar lordosis
Correct answer: C
Rationale: Thrombosis is a condition involving blood clots and is not related to posture or body alignment, unlike kyphosis, scoliosis, and lumbar lordosis, which are spinal alignment issues. Kyphosis refers to excessive outward curvature of the spine, scoliosis is characterized by a sideways curvature of the spine, and lumbar lordosis involves an exaggerated inward curve in the lower back. Thrombosis, on the other hand, is a condition where blood clots form in the blood vessels, not a posture or body alignment problem.
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