Adults | Chapter 27

Last Minute Lecture is a student-run project and is currently funded entirely by students who believe educational resources should remain free and accessible. If Last Minute Lecture has helped you study, please consider supporting the project. ❤️ https://lastminutelecture.com/support/ All chapters are now available for free on our new platform: https://lastminutelecture.com 📚 Psychiatric nursing care for adults encompasses a range of severe mental health conditions and specialized behavioral disorders that significantly compromise functioning and quality of life. The distinction between general mental illness and serious mental illness serves as a foundational concept, with severe conditions like schizophrenia and bipolar disorder creating substantial functional impairment, ongoing caregiver strain, and broader societal consequences including criminalization of individuals with mental illness and the phenomenon of transinstitutionalization. Contemporary treatment approaches have shifted away from purely rehabilitative models toward recovery-oriented frameworks that prioritize client autonomy and hope. Evidence-based interventions such as Assertive Community Treatment, dialectical behavior therapy, and cognitive-behavioral therapy address key barriers to successful outcomes, particularly treatment nonadherence stemming from anosognosia, comorbid substance use disorders, and social stigma. Impulse-control disorders represent a distinct category of conditions characterized by irresistible urges to engage in potentially harmful behaviors. These include intermittent explosive disorder with its unpredictable aggressive outbursts, kleptomania involving compulsive theft, pyromania centered on fire-setting, gambling disorder with its reinforcement-based cycle, and trichotillomania featuring repetitive hair-pulling. Treatment strategies incorporate habit reversal techniques alongside psychopharmacological approaches. Gender dysphoria involves significant psychological distress when assigned gender conflicts with gender identity, often prompting individuals to seek gender-affirming care including hormone therapy and surgical interventions. In contrast, paraphilic disorders involve persistent sexual interest in nonconforming scenarios or individuals; harmful variants such as pedophilia, exhibitionism, voyeurism, and frotteurism cause documented victim trauma and necessitate offender management through combined hormonal and therapeutic rehabilitation. Adult attention-deficit/hyperactivity disorder reflects neurodevelopmental persistence into adulthood, presenting diagnostic complexity and responding to stimulant medications combined with organizational skill development and environmental modification. Sleep disorders profoundly affect physical restoration and cognitive function through disruption of normal sleep architecture regulated by the suprachiasmatic nucleus. Insomnia, obstructive sleep apnea, narcolepsy, circadian rhythm disorders, and restless leg syndrome each require tailored interventions ranging from sleep hygiene practices and cognitive-behavioral therapy for insomnia to mechanical devices or pharmacological agents that restore restorative sleep patterns and prevent long-term cognitive and systemic deterioration. ⚠️ Disclaimer: These summaries are created for educational and entertainment purposes only. They provide transformative commentary and paraphrased overviews to help students understand key ideas from the referenced textbooks. Last Minute Lecture is not affiliated with, sponsored by, or endorsed by any textbook publisher or author. All textbook titles, names, and cover images—when shown—are used under nominative fair use solely for identification of the work being discussed. Some portions of the writing and narration are generated with AI-assisted tools to enhance accessibility and consistency. While every effort has been made to ensure accuracy, these materials are intended to supplement—not replace—official course readings, lectures, or professional study resources. Always refer to the original textbook and instructor guidance for complete and authoritative information.