Correct Answer: A

Rationale: Orem's theory, also known as the Self-Care Deficit Nursing Theory, emphasizes individuals' ability to perform self-care to maintain health and well-being. One aspect of this theory is the maintenance of a sufficient intake of air, which is essential for sustaining life and overall health. This self-care component focuses on the individual's ability to meet their physiological needs, including the intake of air, to promote optimal functioning and health.

Correct Answer: D

Rationale: After a patient's death in a hospital, the most crucial legal responsibility for the healthcare team is ensuring that the attending physician issues the death certificate. The death certificate is a vital legal document that confirms the cause of death and is required for legal and administrative purposes, including the completion of the patient's medical records and facilitating the family's ability to proceed with funeral arrangements and insurance claims. While other actions such as obtaining consent for an autopsy, notifying the coroner or medical examiner, and labeling the body appropriately are important, ensuring the timely and accurate issuance of the death certificate takes precedence in this scenario.

Correct Answer: B

Rationale: Before rigor mortis occurs, it is essential to place a pillow under the body's head and shoulders to maintain proper positioning. This helps prevent postmortem changes and ensures a more dignified appearance. Providing a complete bath and dressing change, removing clothing, or wrapping the body in a shroud are tasks typically done after rigor mortis sets in or later in the postmortem care process. Allowing the body to relax normally does not address the need for proper positioning before rigor mortis occurs.

Correct Answer: B

Rationale: Verifying the client's identity before administering medication is crucial to ensure patient safety. Checking the client's identification band is the safest and most reliable method to confirm the client's identity. Identification bands are specifically designed to prevent errors in patient identification and help healthcare professionals administer care to the correct individual.

Correct Answer: A

Rationale: Back Care involves caring for the back through activities such as massage, exercises, proper posture, and ergonomic practices to maintain spinal health and prevent injuries. Massage helps relieve muscle tension, improve circulation, and promote relaxation, making it an effective method for back care.