A female client assigned to a mental health unit visits with her significant other during the evening. After the significant other leaves, the nurse notices that the client is more isolative and refuses to attend the evening group. Which response by the nurse is most therapeutic?

Choice A reason: Smoking cessation is the most important lifestyle modification for the nurse to encourage. Smoking is a major risk factor for cardiac disease, as it increases blood pressure, heart rate, and oxygen demand, and damages the blood vessels and the heart muscle. Quitting smoking can reduce the risk of cardiac disease by 50% within one year.

Choice B reason: Regular exercise is a beneficial lifestyle modification for the nurse to encourage, but not the most important one. Exercise can improve cardiovascular fitness, lower blood pressure, and reduce body weight, but it does not eliminate the harmful effects of smoking on the heart and blood vessels.

Choice C reason: A low-fat diet is a helpful lifestyle modification for the nurse to encourage, but not the most important one. A low-fat diet can lower cholesterol levels and prevent atherosclerosis, but it does not reverse the damage caused by smoking to the heart and blood vessels.

Choice D reason: Stress reduction is a useful lifestyle modification for the nurse to encourage, but not the most important one. Stress can trigger the release of hormones that increase blood pressure, heart rate, and oxygen demand, and can also lead to unhealthy behaviors such as smoking, overeating, and alcohol abuse. However, stress reduction alone does not address the direct effects of smoking on the heart and blood vessels.

Choice A reason: This is not the best intervention as it does not address the cause of the pain or provide adequate relief. Deep breathing may help the client to relax and cope with the pain, but it is not enough to manage severe pain.

Choice B reason: This is not a true or helpful statement as it may imply that the nurse is dismissing the client's pain or delaying further action. Oxycodone is a fast-acting opioid analgesic that reaches its peak effect within 30 to 60 minutes. If the client is still in severe pain after one hour, the nurse should reassess the pain and notify the healthcare provider.

Choice C reason: This is not the priority intervention as it does not address the cause of the pain or provide adequate relief. A backrub may help the client to relax and distract from the pain, but it is not enough to manage severe pain.

Choice D reason: This is the best intervention as it helps the nurse to evaluate the effectiveness of the medication and the need for further intervention. The nurse should use a valid and reliable pain assessment tool and ask the client about the location, intensity, quality, and duration of the pain. The nurse should also check the client's vital signs and observe for any signs of adverse effects from the medication.