Correct Answer: B

Rationale: The DSM-5 categorizes mental health disorders for diagnostic purposes. Generalized anxiety disorder is one of the disorders listed in the DSM-5, characterized by persistent and excessive worry about various events or activities. This disorder falls under the category of anxiety disorders, which also include panic disorder, phobias, and others. Choices A, C, and D are not DSM-5 disorders. Obesity and hypertension are medical conditions, while grief, though a significant emotional response, is not classified as a mental health disorder in the DSM-5.

Correct Answer: D

Rationale: In this scenario, the nurse's initial step should be to assess the facts of the situation. By gathering accurate information about the client's circumstances, the nurse can better understand the problem and make informed decisions moving forward. This foundational assessment is crucial before proceeding to formulate goals, evaluate outcomes, or consider risks and benefits. Options A, B, and C involve steps that should follow the initial assessment of the situation, making them less suitable as the initial action in this context.

Correct Answer: B

Rationale: The most accurate statement about psychoses is that individuals experiencing it often exhibit limited distress because they are not fully aware of their altered perception of reality. They may not recognize that their behaviors are maladaptive or acknowledge the presence of psychological issues. Choice A is incorrect because individuals with psychoses may not be aware that their behaviors are maladaptive. Choice C is incorrect because individuals with psychoses may not have insight into their psychological problems. Choice D is incorrect because individuals with psychoses often struggle to differentiate between reality and their altered perceptions.

Correct Answer: B

Rationale: The correct answer is B: Sertraline. Sertraline, an SSRI, is commonly used to treat generalized anxiety disorder (GAD) due to its efficacy and tolerability. Methylphenidate is a central nervous system stimulant used for ADHD and narcolepsy, not for GAD. Lithium is mainly used for bipolar disorder, not for GAD. Haloperidol is an antipsychotic medication, not typically used for GAD.

Correct Answer: B

Rationale: Defense mechanisms are employed by the ego in the face of threats to biological and psychological integrity to relieve mild to moderate anxiety. They act as protective devices for the ego, not the id or superego. The id represents primal instincts, while the superego is associated with moral standards. Defense mechanisms help individuals cope with stressors by redirecting focus and are often unconscious and self-deceptive.