Correct Answer: A

Rationale: Encouraging the use of an incentive spirometer is crucial in preventing respiratory complications postoperatively. The incentive spirometer helps the client perform deep breathing exercises, which can prevent atelectasis (lung collapse) and promote lung expansion. This, in turn, reduces the risk of respiratory complications such as pneumonia. Restricting fluid intake, placing the client in a supine position, and administering a cough suppressant are not appropriate actions for preventing respiratory complications in a postoperative client.

Correct Answer: C

Rationale: Aspirating before injecting the medication is a crucial step in IM injections to check for blood return, ensuring that the needle is not in a blood vessel. This technique helps prevent accidental intravascular injection of the medication, reducing the risk of complications such as inadvertent intravenous administration of the substance.

Correct Answer: B

Rationale: Elevating the head of the bed to 30-45 degrees during feedings is essential to prevent aspiration in clients receiving enteral nutrition. This positioning helps decrease the risk of regurgitation and aspiration by supporting proper digestion and aiding food passage through the gastrointestinal tract. Elevating the head of the bed is a standard precautionary measure recommended to reduce the chances of aspiration and should be consistently implemented during feedings to ensure client safety and optimal enteral nutrition delivery.

Correct Answer: D

Rationale: Opening sterile supplies before donning sterile gloves is a critical step in maintaining the sterility of the supplies during a dressing change procedure. By doing so, the healthcare professional ensures that they do not touch non-sterile surfaces with their hands once sterile gloves are worn, reducing the risk of introducing pathogens to the wound and minimizing the potential for contamination.

Correct Answer: B

Rationale: Keeping the bed in the lowest position is crucial for ensuring the safety of the client during a seizure. Lowering the bed reduces the risk of injury if the client falls during a seizure episode. It is important not to restrain the client during a seizure as it can lead to further injury. Placing a padded tongue depressor at the bedside is not appropriate and can pose a risk of injury if used incorrectly. Keeping the lights dim in the client's room is not directly related to safety during a seizure and is not a standard precaution.