Correct Answer: B

Rationale: In a patient suspected of lithium toxicity, the presence of ataxia, severe hypotension, and a large volume of dilute urine are key assessment findings. Ataxia is a sign of central nervous system involvement, severe hypotension indicates cardiovascular effects, and a large volume of dilute urine suggests renal impairment, all of which are commonly seen in severe lithium toxicity. Options A, C, and D do not align with typical signs of lithium toxicity.

Correct Answer: A

Rationale: It is common for major depressive disorder to be triggered by significant life events, such as the sudden loss of a loved one. Therefore, Nadia's statement that 'Depression often begins after a major loss' is correct. Bereavement and major depressive disorder are related but distinct conditions, and while mourning can be intense, it is generally considered a normal response to loss. Antidepressant medications can be beneficial in treating depression, including cases triggered by a significant loss.

Correct Answer: B

Rationale: The scenario describes how April's behavior is not improving with the frequent use of time-out, indicating that it is no longer an effective intervention. When a strategy such as time-out loses its effectiveness due to overuse, it is crucial to explore alternative therapeutic measures to address the underlying issues effectively.

Correct Answer: B

Rationale: In a patient suspected of lithium toxicity, the presence of ataxia, severe hypotension, and a large volume of dilute urine are key assessment findings. Ataxia is a sign of central nervous system involvement, severe hypotension indicates cardiovascular effects, and a large volume of dilute urine suggests renal impairment, all of which are commonly seen in severe lithium toxicity. Options A, C, and D do not align with typical signs of lithium toxicity.

Correct Answer: D

Rationale: When an 8-year-old boy engages in playacting as a police officer that instills fear in other children, it can be indicative of a potential symptom of traumatization. This behavior may reflect the child's attempt to process or express experiences of trauma, leading to a manifestation of such distress in his play interactions with others.