Correct Answer: C

Rationale: Naloxone, also known by the brand name Narcan, is used to reverse the effects of opioid overdose. Opioids can cause respiratory depression, sedation, and other signs of toxicity. Administering naloxone can quickly reverse these effects, restoring the patient's breathing and consciousness. This makes it the appropriate choice for reversing all signs of toxicity related to opioids. Digibind (Digoxin) is used to reverse toxicity from digoxin specifically. Atropine sulfate is used for bradycardia. Diazepam (Valium) is a benzodiazepine used for anxiety, seizures, and muscle relaxation, not for reversing toxicity.

Correct Answer: A

Rationale: Opsonization refers to the process by which antibodies bind to the surface of pathogens, marking them for destruction by phagocytes or complement proteins. This coating of antibodies enhances the ability of the immune system to recognize and eliminate the pathogens effectively. Phagocytes (such as macrophages and neutrophils) are better able to engulf and digest pathogens that have been opsonized, as the antibodies attached to the pathogen surface signal to the phagocytes that they are foreign invaders. This process is crucial in the body's immune response to infections and helps in clearing pathogens from the system.

Correct Answer: C

Rationale: A living will is a legal document that outlines a person's preferences and wishes regarding medical treatment, including resuscitation, in the event they become unable to communicate or make decisions. In this scenario, the client being admitted to the oncology unit wants to convey his wishes regarding resuscitation in case of cardiopulmonary arrest. A living will helps ensure that these wishes are known and respected by healthcare providers and loved ones. While a will addresses how a person's assets should be distributed after death and a health care power of attorney designates someone to make medical decisions on the person's behalf, a living will specifically focuses on healthcare preferences and treatment decisions. A proxy directive is similar to a health care power of attorney, designating someone to make healthcare decisions for the person if they are unable to do so themselves.

Correct Answer: C

Rationale: The central theme of Sr. Callista Roy's theory is adaptation. Roy's Adaptation Model focuses on the individual's ability to adapt to internal and external stimuli in order to maintain health and well-being. The theory emphasizes the interconnectedness of the individual and their environment, highlighting the dynamic process of adaptation in response to stimuli. By focusing on adaptation, Roy's theory guides nursing practice in promoting holistic care that supports individuals in adapting to changes and achieving optimal health outcomes.

Correct Answer: C

Rationale: The correct information that the incoming nurse should chart is that she received 800 cc of IV fluid. It is crucial for the charting to accurately reflect the actual situation to provide an accurate record for the patient's care. In this scenario, the discrepancy between the endorsed amount (400 cc) and the observed amount (800 cc) should be documented to ensure transparency and continuity of care. This deviation from the expected amount should be clearly recorded for proper monitoring and evaluation of the patient's condition.