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A patient presents with depressive symptoms but does not meet the full criteria for Major Depressive Disorder. According to DSM-5 guidelines, the PMHNP might consider:

Which neurotransmitter system is most often implicated in the pathophysiology of anxiety disorders? 

Which tool is commonly used to screen for depression in primary care settings?

Which neurotransmitter is most commonly associated with depression?

What is the mechanism of action of selective serotonin reuptake inhibitors (SSRIs)?

The blood-brain barrier primarily serves to: 

A patient on fluoxetine reports increased irritability and restlessness. Which condition should you assess for?

When diagnosing generalized anxiety disorder, the DSM-5-TR requires symptoms to persist for at least:

During chemical neurotransmission, the presynaptic neuron releases neurotransmitters into the synaptic cleft. These neurotransmitters then:

The musculoskeletal examination should begin when