PMHNP Exam Prep with Questions and Answers

PMHNP Exam Prep with Questions and Answers A 26 year old presents w/ a hx of recurrent episodes of depression and anxiety. The pt describes periods of low mood, fatigue, excessive guilt, and poor concentration. Additionally, the pt experiences episodes of heightened anxiety, restlessness, and racing thoughts. Based on this, which NT systems are most likely implicated in the pathophysiology of this mood d/o? a. serotonin and norepinephrine b. dopamine and GABA c. glutamate and acetylcholine d. endorphins and histamine ANSWER a. serotonin and norepinephrine A 42 yo M w/ a hx of BPAD has been stable on Lithium Carbonate for 3 yrs and has been compliant w/ meds. Recently, he complained of increased thirst and urination, muscle weakness, severe diarrhea, and vomiting. His recent labs show a Li level of 1.6. What is the initial action of the PMHNP? a. continue current Li dose and educate pt on importance of staying hydrated b. reduce Li dose and monitor for s/s of Li toxicity c. d/c Li and start pt on alternative mood stabilizer d. refer pt to a nephrologist for further eval of Li-induced nephrogenic diabetes insipidus ANSWER c. d/c Li and start pt on alternative mood stabilizer normal Li is 0.6-1.2 mEq/L