Georgette Q-Bank: Domain 1 Exam with verified question and answers

Georgette Q-Bank: Domain 1 Exam with verified question and answers 1. *A 42-year-old male patient with a history of bipolar disorder presents to a psychiatric outpatient clinic. He has been stable on Lithium Carbonate for the past three ears and has been compliant with his medication regimen. Recently, he complained of increased thirst and urination, muscle weakness, severe diarrhea, and vomiting. The Psychiatric Mental Health Nurse Practition- er (PMHIP) reviews his recent laboratory results, which shows a serum Lithium level of 1.6. What is the initial action of the PMHNP?: Discontinue Lithium and Start the patient on an alternative mood stabilizer. Correct answer: Discontinuing Lithium and starting the patient on an alternative mood stabilizer is the most appropriate action in this scenario. Normal serum lithium level is 0.6-1.2mEq/L The presence of severe symptoms and a high serum Lithium level of 1.6 suggests severe Lithium toxicity, which can be life-threatening. Discontinuation of Lithium is crucial to stop further exposure to the toxic effects, and an alternative mood stabilizer should be initiated to manage the patient's bipolar disorder. 2. *A 26-year-old patient presents to the clinic with a history of recurrent episodes of depression and anxiety. The patient describes periods of low mood, fatigue, excessive guilt, and poor concentration. Additionally, the pa- tient experiences episodes of heightened anxiety, restlessness, and racing thoughts. Based on the patient's presentation, which neurotransmitter sys- tems are most likely implicated in the pathophysiology of this mood disorder? A. Serotonin and Norepinephrine B. Dopamine and GABA C. Glutamate and Acetylcholine D. Endorphins and Histamine: **Serotonin and Dopamine Serotonin and Dopamine Mood disorders, including bipolar disorder, often involve dysregulation of both serotonin and dopamine systems. Low serotonin levels are associated with depressive symptoms, while elevated dopamine levels are linked