Correct Answer: A

Rationale: Lithium is known to cause polyuria (excessive urination) and polydipsia (excessive thirst), which can lead to fluid and electrolyte imbalances. Therefore, patients receiving lithium should be carefully monitored for signs of fluid and electrolyte disturbances to prevent any potential complications.

Correct Answer: C

Rationale: Christopher's positive outlook, strong school performance, and forming a bond with the neighbor indicate resilience. Resilience refers to the ability to adapt and thrive despite facing adversity, such as being removed from his parents' home due to neglect. His ability to maintain a positive attitude and excel in school despite the challenging circumstances highlights his resilience.

Correct Answer: B

Rationale: Choice B indicates a need for further teaching because the patient is planning to switch directly from Prozac, an SSRI, to a monoamine oxidase inhibitor (MAOI) without allowing for a washout period. This abrupt switch poses a risk of serotonin syndrome, which can be life-threatening. It is essential to educate the patient about the importance of consulting healthcare providers before changing medications to prevent potential adverse effects.

Correct Answer: B

Rationale: Deep brain stimulation is a treatment approach that involves the surgical implantation of electrodes into specific areas of the brain to stimulate regions identified as underactive in depression. This method aims to modulate brain activity and has shown effectiveness in treating certain cases of depression.

Correct Answer: C

Rationale: Characteristics such as age, frequency of outbursts, and occurrence in multiple settings support a diagnosis of disruptive mood dysregulation disorder. While comorbid conditions like autism can coexist with disruptive mood dysregulation disorder, it is not a characteristic that serves to support a diagnosis of this specific disorder.