AANP Mental Health 1

Question 1

A patient who survived a serious car accident 2 months ago now has nightmares, hypervigilance, avoidance of driving, and emotional numbing. What is the most likely diagnosis?

Accepted Answer

Post-traumatic stress disorder (PTSD)

Answer

PTSD is diagnosed when trauma-related symptoms including intrusion, avoidance, negative cognitions, and hyperarousal persist for more than 1 month after a traumatic event.

Question 2

Which medication is FDA-approved as a first-line pharmacological treatment for PTSD?

Accepted Answer

Sertraline

Answer

Sertraline and paroxetine are the only FDA-approved medications for PTSD; benzodiazepines are not recommended due to risk of dependence and potential worsening of PTSD.

Question 3

A patient presents with a 2-week history of depressed mood, anhedonia, hypersomnia, psychomotor retardation, and suicidal ideation. What is the minimum duration criterion for major depressive disorder?

Accepted Answer

2 weeks

Answer

DSM-5 requires symptoms of major depressive disorder to be present for at least 2 weeks and represent a change from previous functioning for the diagnosis.

Question 4

A patient on lithium for bipolar disorder develops coarse tremor, confusion, and vomiting after starting a new NSAID. What is the most likely cause?

Accepted Answer

Lithium toxicity due to reduced renal clearance

Answer

NSAIDs decrease renal prostaglandin synthesis and reduce renal lithium excretion, leading to lithium accumulation and toxicity.

Question 5

Which screening tool is validated for detecting depression in the primary care setting?

Accepted Answer

PHQ-9

Answer

The PHQ-9 (Patient Health Questionnaire-9) is a validated, widely used screening and severity assessment tool for major depressive disorder in primary care.

AANP - American Association of Nurse Practitioners Practice Test

AANP - American Association of Nurse Practitioners Practice Test

AANP Mental Health 1