HESI LPN
HESI Fundamental Practice Exam
1. When a client decides not to have surgery despite significant blockages of the coronary arteries, it is an example of which of the following ethical principles?
- A. Fidelity
- B. Autonomy
- C. Justice
- D. Nonmaleficence
Correct answer: B
Rationale: The correct answer is autonomy. Autonomy is the ethical principle that upholds an individual's right to make decisions about their healthcare, including the choice to refuse treatment or surgery. In this scenario, the client's decision not to have surgery despite the recommendation is an exercise of autonomy. Choice A, fidelity, refers to being faithful and keeping promises, which is not applicable in this situation. Choice C, justice, pertains to fair and equal distribution of resources and treatment, not the individual's right to make decisions. Choice D, nonmaleficence, relates to the obligation to do no harm, which is not directly applicable to the client's decision to refuse surgery.
2. A healthcare professional is preparing to administer 0.9% sodium chloride (0.9% NaCl) 250 mL IV to infuse over 30 min. The drop factor of the manual IV tubing is 10 gtt/mL. How many gtt/min should the healthcare professional adjust the manual IV infusion to deliver? (Round the answer to the nearest whole number. Do not use a trailing zero.)
- A. 83 gtt/min
- B. 125 gtt/min
- C. 100 gtt/min
- D. 75 gtt/min
Correct answer: C
Rationale: To administer 250 mL over 30 min with a drop factor of 10 gtt/mL, the healthcare professional should adjust the IV infusion to deliver 100 gtt/min. The correct calculation is: (250 mL รท 30 min) x 10 gtt/mL = 100 gtt/min. This rate ensures the proper administration of the IV solution within the specified time frame. Choices A, B, and D are incorrect as they do not align with the accurate calculation based on the provided data.
3. The nurse is caring for a client with chronic obstructive pulmonary disease (COPD). Which instruction should the LPN/LVN reinforce to the client to help manage their condition?
- A. Increase fluid intake to thin secretions.
- B. Practice pursed-lip breathing to improve oxygenation.
- C. Avoid physical activity to prevent dyspnea.
- D. Use a peak flow meter to monitor lung function.
Correct answer: B
Rationale: Practicing pursed-lip breathing is an essential technique to help manage COPD as it can improve oxygenation by promoting better gas exchange. This technique helps to keep the airways open longer during exhalation, preventing air trapping and improving breathing efficiency. Increasing fluid intake can help thin secretions, which is beneficial, but it is not the primary instruction for managing COPD. Avoiding physical activity is not recommended as it can lead to deconditioning and worsen dyspnea in COPD patients. Using a peak flow meter is more commonly associated with monitoring asthma rather than COPD, so it is not the most relevant instruction for managing COPD.
4. A nurse in a surgical suite notes documentation on a client's medical record stating that he has a latex allergy. In preparation for the client's procedure, which of the following precautions should the nurse take?
- A. Ensure sterilization of non-disposable items with ethylene oxide
- B. Wrap monitoring cords with stockinette and secure them with non-latex tape
- C. Cleanse latex ports on IV tubing with chlorhexidine before administering medication
- D. Wear hypoallergenic latex gloves that are powder-free
Correct answer: B
Rationale: In this scenario, the nurse should take precautions to prevent latex exposure to the client due to his latex allergy. Wrapping monitoring cords with stockinette and securing them with non-latex tape helps to minimize the risk of latex contact with the client. Choice A is incorrect as sterilizing non-disposable items with ethylene oxide does not specifically address the avoidance of latex exposure. Choice C involves using latex ports on IV tubing, which can pose a risk of allergic reaction in a client with a latex allergy. Choice D suggests wearing latex gloves, even if hypoallergenic, which can still trigger a reaction in individuals with latex allergy. Therefore, the best option is to choose non-latex materials like stockinette and non-latex tape to prevent direct contact with latex.
5. A client with type 1 diabetes mellitus is experiencing hypoglycemia. What is the best initial action for the LPN/LVN to take?
- A. Administer glucagon intramuscularly.
- B. Give the client 4 ounces of orange juice.
- C. Give the client a snack containing protein and carbohydrates.
- D. Encourage the client to rest until symptoms resolve.
Correct answer: B
Rationale: The best initial action for a client with type 1 diabetes mellitus experiencing hypoglycemia is to give them 4 ounces of orange juice. Orange juice quickly raises blood glucose levels in a hypoglycemic client. Administering glucagon intramuscularly is not the best initial action for hypoglycemia; it is usually reserved for severe hypoglycemia cases. Giving a snack containing protein and carbohydrates is not as rapid as orange juice in raising blood glucose levels during hypoglycemia. Encouraging the client to rest until symptoms resolve does not address the immediate need to raise blood glucose levels in a hypoglycemic state.
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