HESI LPN
HESI PN Exit Exam
1. What is the primary action a healthcare professional should take when a patient with a suspected myocardial infarction (MI) arrives in the emergency department?
- A. Apply a cold compress to the chest
- B. Administer oxygen and obtain an electrocardiogram (ECG)
- C. Encourage the patient to walk to reduce anxiety
- D. Provide a high-carbohydrate meal
Correct answer: B
Rationale: Administering oxygen and obtaining an ECG are crucial initial steps when managing a suspected myocardial infarction (MI). Oxygen helps improve oxygenation to the heart muscle, while an ECG is essential to diagnose an MI promptly. Applying a cold compress, encouraging the patient to walk, or providing a high-carbohydrate meal are not appropriate actions in the initial management of a suspected MI. Applying a cold compress can delay necessary interventions, encouraging the patient to walk may worsen the condition, and providing a high-carbohydrate meal is irrelevant to the immediate needs of a patient with a suspected MI.
2. Which condition is most commonly associated with a "bull's eye" rash?
- A. Lyme disease
- B. Rocky Mountain spotted fever
- C. Syphilis
- D. Toxoplasmosis
Correct answer: A
Rationale: The correct answer is A: Lyme disease. The "bull's eye" rash, or erythema migrans, is a hallmark of early Lyme disease, caused by the bacterium Borrelia burgdorferi. Choice B, Rocky Mountain spotted fever, presents with a different type of rash. Choice C, Syphilis, typically presents with a painless ulcer and rash but not a "bull's eye" rash. Choice D, Toxoplasmosis, does not typically present with a "bull's eye" rash.
3. While performing an inspection of a client's fingernails, the PN observes a suspected abnormality of the nail's shape and character. Which finding should the PN document?
- A. Clubbed nails
- B. Splinter hemorrhages
- C. Longitudinal ridges
- D. Koilonychia or spoon nails
Correct answer: A
Rationale: The correct answer is A: Clubbed nails. Clubbed nails are a significant finding often associated with chronic hypoxia or lung disease. The presence of clubbed nails should be documented for further evaluation. Splinter hemorrhages (Choice B) are tiny areas of bleeding under the nails and are associated with conditions like endocarditis. Longitudinal ridges (Choice C) are common and often a normal finding in older adults. Koilonychia or spoon nails (Choice D) refer to nails that are concave or scooped out, often seen in conditions like iron deficiency anemia or hemochromatosis. These conditions are not typically associated with chronic hypoxia or lung disease, making them less likely findings in this situation.
4. The UAP reports to the nurse that a client refused to bathe for the third consecutive day. Which action is best for the nurse to take?
- A. Explain the importance of good hygiene to the client
- B. Ask family members to encourage the client to bathe
- C. Reschedule the bath for the following day
- D. Ask the client why the bath was refused
Correct answer: D
Rationale: The correct action for the nurse to take is to ask the client why the bath was refused. Understanding the client's reason for refusal is crucial in identifying and addressing any underlying concerns or issues that may be contributing to the refusal. This approach promotes open communication, client-centered care, and helps in developing a plan of care that is tailored to the client's needs and preferences. Choices A, B, and C do not directly address the root cause of the refusal and may not effectively resolve the situation.
5. Which type of cell is responsible for producing antibodies in the immune system?
- A. B lymphocytes
- B. T lymphocytes
- C. Macrophages
- D. Neutrophils
Correct answer: A
Rationale: The correct answer is A: B lymphocytes. B lymphocytes (B cells) are a crucial part of the adaptive immune system. They produce antibodies, which are proteins that specifically target and neutralize pathogens such as bacteria and viruses. T lymphocytes (choice B) are involved in cell-mediated immunity rather than antibody production. Macrophages (choice C) are phagocytic cells that engulf and digest pathogens but do not produce antibodies. Neutrophils (choice D) are a type of white blood cell that primarily function in the innate immune response by phagocytosing pathogens.
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