A nurse is providing teaching to a group of clients about the changes that occur when clients experience cataracts. Which of the following statements should the nurse include in the teaching?

A. Decreased circulation to the kidneys: Post-cardiac arrest syndrome (PCAS) is a constellation of systemic ischemia/reperfusion injury responses that occur after return of spontaneous circulation (ROSC) following cardiac arrest. One of the manifestations of PCAS is decreased circulation to the kidneys due to the systemic hypoperfusion that occurs during cardiac arrest and the subsequent reperfusion injury that follows ROSC. This can lead to acute kidney injury (AKI) in some cases.

B. Increased mental capacity: While it is crucial to monitor neurological status after cardiac arrest, an immediate increase in mental capacity is not typically indicative of PCAS. Rather, neurological assessment may involve evaluating for signs of brain injury or dysfunction, which can include altered mental status, confusion, or neurological deficits.

C. Improving respiratory function: Improvement in respiratory function after cardiac arrest is a positive sign but may not necessarily indicate the development of PCAS. PCAS primarily involves systemic responses to the ischemia/reperfusion injury that occurs during and after cardiac arrest, rather than isolated respiratory changes.

D. Improvement in heart rate and blood pressure: Improvement in heart rate and blood pressure after cardiac arrest is generally expected with successful resuscitation efforts. However, these improvements alone may not necessarily indicate the development of PCAS. PCAS involves a broader range of systemic responses beyond just cardiac and hemodynamic changes.

A. Relocation stress syndrome: Relocation stress syndrome refers to the physical and psychological symptoms experienced by individuals when they are moved from one environment to another, such as transitioning to a new residence or healthcare facility. While relocation stress syndrome can cause agitation and confusion in individuals with Alzheimer's disease, the scenario provided does not indicate a recent relocation.

B. Wandering: Wandering is a common behavior observed in individuals with dementia, where they aimlessly roam or wander in their environment. While wandering may be associated with agitation and restlessness, the scenario does not describe the client physically moving around or attempting to leave their home.

C. Sundowning: Sundowning refers to a phenomenon commonly observed in individuals with Alzheimer's disease or other forms of dementia, where they experience increased agitation, confusion, and restlessness in the late afternoon or early evening hours. Sundowning behaviors can include pacing, agitation, anxiety, irritability, confusion, and difficulty sleeping. The exact cause of sundowning is not fully understood but may be related to factors such as fatigue, sensory overload, hormonal imbalances, or disruptions in the sleep-wake cycle. Managing sundowning behaviors often involves creating a calming environment, maintaining a consistent daily routine, minimizing stimuli in the evening, and providing reassurance and comfort to the individual.

D. Depression: Depression can occur in individuals with Alzheimer's disease and may present with symptoms such as sadness, hopelessness, loss of interest in activities, changes in appetite or sleep patterns, and difficulty concentrating. However, the scenario primarily describes agitation and restlessness in the evening hours, which is characteristic of sundowning rather than depression.