Correct Answer: A

Rationale: Neurotransmitters are chemicals in the brain that act as messengers between neurons, influencing various psychological functions. Choice A correctly defines neurotransmitters by stating that they are chemical messengers that cause brain cells to turn on or off. This is the function of neurotransmitters in transmitting signals between neurons. Choices B, C, and D are incorrect because they do not accurately describe neurotransmitters and their role in the brain.

Correct Answer: B

Rationale: The priority action is to help the client focus on the present (B), which can reduce the intensity of the flashback. Encouraging discussion of the trauma (A) should be done when the client is not actively experiencing a flashback. While medication (C) may be necessary, it is not the first priority in this situation. Leaving the client alone (D) is not appropriate as they need support to manage the flashback.

Correct Answer: C

Rationale: The correct answer is C. The statement 'Only my belief in God can help me' suggests a reliance on spiritual intervention over medical treatment, raising concerns about potential non-compliance. This indicates the need for close follow-up to ensure the client's well-being and adherence to the prescribed treatment plan. Choices A, B, and D do not directly address potential issues related to treatment compliance or the need for follow-up care after discharge.

Correct Answer: B

Rationale: Performing the dressing change in a non-judgmental manner is crucial when caring for a client with borderline personality disorder who has self-inflicted injuries. This approach helps build trust, reduces feelings of shame or guilt, and fosters a therapeutic relationship. Choice A is incorrect because while detailed explanations may be necessary, the focus should be on the non-judgmental approach. Choice C is inappropriate as it may come across as accusatory or threatening, potentially worsening the client's emotional state. Choice D is not the best option as the RN should strive to handle the situation themselves in a supportive and empathetic manner.

Correct Answer: A

Rationale: The correct answer is A: dissociative disorder. Sleepwalking, amnesia, and multiple personalities are examples of detaching emotional conflict from one's consciousness, which is the definition of a dissociative disorder. Obsessive-compulsive disorder (B) is characterized by persistent, recurrent intrusive thoughts or urges (obsessions) and compulsions. Panic disorder (C) is characterized by acute attacks of anxiety. Post-traumatic stress disorder (D) involves re-experiencing psychologically distressing events.