A young adult is brought to the emergency department after taking a handful of drugs. The client is unresponsive, so an endotracheal tube (ETT) is inserted. How should the nurse determine if the ETT is correctly placed? Select all that apply.

RationaleA. This involves visually inspecting the chest to ensure both sides rise and fall equally during ventilation. Symmetrical chest movement suggests that both lungs are being adequately ventilated.B. Auscultation involves listening with a stethoscope over the chest to confirm the presence of breath sounds in both lung fields. Bilateral breath sounds indicate that the ETT is correctly positioned in the trachea, allowing air to reach both lungs.C. A chest x-ray provides a definitive confirmation of the ETT placement in relation to the trachea and lungs. It allows visualization of the tube's position relative to anatomical landmarks, such as the carina, which helps ensure proper placement.This involves checking the markings on the ETT tube to ensure it is inserted to the correct depth. Typically, the ETT should be positioned with its tip approximately 2 to 4 cm above the carina, which corresponds to the 22-26 cm mark at the teeth line in adults. However, it does not confirm correct placement.E. Capillary refill is a measure of peripheral perfusion and is unrelated to ETT placement. It assesses circulatory status by pressing on a nail bed and observing the time it takes for color to return. It does not provide information about ETT placement.