HESI Fundamentals Practice Questions

Correct Answer: A

Rationale: The correct answer is to use tracheostomy covers when outdoors. This practice helps protect the stoma from foreign particles and temperature changes, reducing the risk of infection. Maintaining a sterile technique when performing tracheostomy care (choice B) is important to prevent infections but is not specific to outdoor care. Removing the outer cannula for routine cleaning (choice C) is not recommended as it may cause trauma or dislodgment of the tracheostomy tube. Cleaning around the stoma with povidone-iodine (choice D) is not advisable as it can be irritating to the skin and may impair the healing process.

Correct Answer: A

Rationale: Keeping the client's bed in the lowest position is an essential measure to prevent falls. Lowering the bed reduces the risk of injury if the client falls out of bed by decreasing the distance of the fall. Encouraging the client to wear non-slip socks (Choice B) may help prevent slips on smooth surfaces but does not address the risk of falls in other scenarios. Placing a fall risk sign on the client's door (Choice C) alone does not actively prevent falls but serves as a warning. Using a gait belt when ambulating the client (Choice D) is important for assisting with mobility but does not directly address fall prevention in the client's environment.

Correct Answer: B

Rationale: A peak flow meter is used to measure forced expiratory volume, which helps in monitoring asthma. This measurement provides valuable information about how well the client's lungs are functioning and how narrow their airways are. Choice A is incorrect because determining oxygen saturation is typically done using a pulse oximeter. Choice C is incorrect as a peak flow meter is not used to monitor the atmosphere for allergens but rather to assess lung function. Choice D is incorrect as providing metered doses for inhaled bronchodilators is the function of a metered-dose inhaler, not a peak flow meter.

Correct Answer: A

Rationale: For a client who has undergone an allogeneic stem cell transplant, it is crucial to minimize exposure to potential sources of infection. Wearing a mask when outside the room, especially in areas with construction or other potential risks, helps protect the client's compromised immune system. Positive pressure airflow rooms are typically used for clients with airborne infections, not for those post-stem cell transplant. Restricting all visitors may contribute to the client's well-being, but it is not a direct protective measure against infection. While HEPA filters can be beneficial in maintaining air quality, wearing a mask when exposed to external risks is a more targeted and immediate protective measure in this scenario.

Correct Answer: A

Rationale: The correct answer is to regulate O2 via nasal cannula no more than 6L. This flow rate is generally recommended to ensure adequate oxygen delivery without causing discomfort or potential harm to the patient. Choices B, C, and D are incorrect as they suggest flow rates that are either too low (2L, 4L) or too high (8L). A flow rate of 2L might not provide sufficient oxygen, while 4L could be inadequate for some patients. On the other hand, a flow rate of 8L could be excessive and potentially harmful, leading to complications like oxygen toxicity. Therefore, the optimal recommendation is to regulate O2 via nasal cannula at a maximum of 6L to balance effectiveness and safety.