When assessing a client's abdomen, particularly for "stomach pain," the nurse should:

Choice A reason: Initiating humidification therapy can be beneficial for a client with pneumonia. Humidified air can help loosen respiratory secretions, making them easier to expectorate. However, while this intervention is helpful, it is not typically the first action a nurse should take. The priority is to address the client's immediate need for adequate oxygenation and ventilation.

Choice B reason: Encouraging the client to cough and perform deep breathing exercises is an essential part of care for patients with pneumonia. These actions help to clear mucus from the lungs and improve ventilation. Deep breathing helps to fully expand the alveoli, which can be compromised in pneumonia, and coughing helps to expel secretions that may be blocking the airways. However, this is not the most immediate action when the oxygen saturation is borderline normal.

Choice C reason: Increasing the client's oral fluid intake is important in the management of pneumonia. Adequate hydration thins respiratory secretions, making them easier to clear. It also supports overall bodily functions, which can be taxed during illness. Nonetheless, this intervention is not the most critical initial step in managing a client's immediate respiratory needs.

Choice D reason: Raising the head of the bed is the correct and immediate action to take for a client with pneumonia and an oxygen saturation of 88%. This position helps to improve chest expansion, promotes better lung aeration, and facilitates easier breathing. It also reduces the risk of aspiration, which is particularly important in clients with pneumonia. Elevating the head of the bed is a simple yet effective way to enhance oxygenation and should be the first step taken.

Choice A reason: Clean gloves are necessary when touching or being in close proximity to any wound, especially one that is infected with MRSA. MRSA is a highly contagious bacterium that can spread through direct contact with the infected area or through indirect contact with contaminated objects. Wearing clean gloves helps prevent the transmission of MRSA to the nurse and to other patients.

Choice B reason: Protective eyewear is not typically required for checking a patient's pulse. However, if there is a risk of splashing or spraying of bodily fluids, protective eyewear becomes necessary to protect the mucous membranes of the eyes from exposure to infectious materials.

Choice C reason: Sterile gloves are used during procedures that require an aseptic technique, such as the changing of a sterile dressing or during invasive procedures. Checking a patient's pulse does not require sterile gloves, as it is not an aseptic procedure.

Choice D reason: A surgical mask should be worn if there is a risk of droplet transmission or if the nurse will be in close contact with the patient's wound. MRSA can be present in nasal secretions and can be spread by droplets, so wearing a mask can provide an additional layer of protection against the transmission of MRSA.