HESI LPN
HESI PN Exit Exam 2024
1. A client who is post-operative from a bowel resection is experiencing abdominal distention and pain. The nurse notices the client has not passed gas or had a bowel movement. What should the nurse assess first?
- A. The client's bowel sounds.
- B. The client's fluid intake.
- C. The client's pain level.
- D. The client's surgical incision.
Correct answer: A
Rationale: Assessing bowel sounds is crucial in this situation as it helps determine if the client's gastrointestinal tract is functioning properly. Absent or hypoactive bowel sounds can indicate an ileus, a common post-operative complication. Assessing fluid intake (Choice B) is important but should come after assessing bowel sounds. Pain assessment (Choice C) is essential but addressing the physiological issue should take precedence. Checking the surgical incision (Choice D) is relevant but not the priority when the client is experiencing abdominal distention and potential gastrointestinal complications.
2. What is the priority intervention for a patient experiencing an acute asthma attack?
- A. Administering a bronchodilator
- B. Encouraging the patient to drink fluids
- C. Applying a high-flow oxygen mask
- D. Performing chest physiotherapy
Correct answer: A
Rationale: Administering a bronchodilator is the priority intervention in an acute asthma attack. Bronchodilators help to quickly open the airways, relieve bronchospasm, and improve breathing. Encouraging the patient to drink fluids may be beneficial for other conditions but is not the priority in an acute asthma attack. Applying a high-flow oxygen mask may be necessary in severe cases of respiratory distress but is not the initial priority when managing an acute asthma attack. Performing chest physiotherapy is not indicated as the primary intervention for an acute asthma attack and may not address the immediate need to open the airways and improve breathing.
3. In obtaining an orthostatic vital sign measurement, what action should the nurse take first?
- A. Count the client's radial pulse
- B. Apply a blood pressure cuff
- C. Instruct the client to lie supine
- D. Assist the client to stand upright
Correct answer: C
Rationale: The correct first action when obtaining an orthostatic vital sign measurement is to instruct the client to lie supine. This allows for establishing a baseline measurement of vital signs before any positional changes. Counting the client's radial pulse (Choice A) is a step that follows after the initial supine position to assess changes in pulse rate. Applying a blood pressure cuff (Choice B) and assisting the client to stand upright (Choice D) are actions that come later in the process after the baseline measurements are obtained in the supine position.
4. 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.
5. Which of the following is MOST LIKELY to increase the risk of a medication error?
- A. Not using abbreviations for medications
- B. Errors in the calculation of medication dosages
- C. Barcoding medication orders
- D. Utilizing unit dose dispensers
Correct answer: B
Rationale: Errors in the calculation of medication dosages are a significant risk factor for medication errors. When dosage calculations are incorrect, it can lead to administering the wrong amount of medication, posing serious harm to the patient. Avoiding abbreviations for medications, barcoding medication orders, and utilizing unit dose dispensers are all strategies aimed at reducing medication errors by enhancing accuracy and safety. Therefore, choices A, C, and D are incorrect as they are practices that help decrease, rather than increase, the risk of medication errors.
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