ANSWERS (ALL ANSWERS CORRECT)
1. The therapeutic effect of SSRIs is primarily due to:
a. Increased degradation of monoamines
b. Blockade of serotonin reuptake into the presynaptic neuron
c. Direct agonism of postsynaptic serotonin receptors
d. Inhibition of monoamine oxidase
ANSWER: b. Blockade of serotonin reuptake into the presynaptic neuron
2. A key difference between typical (first-generation) and atypical (second-generation) antipsychotics is
that atypical agents:
a. Are more potent dopamine D2 receptor antagonists
b. Have a higher risk of causing extrapyramidal symptoms (EPS)
c. Have significant serotonin 5-HT2A receptor antagonism
d. Are ineffective for positive symptoms of schizophrenia
ANSWER: c. Have significant serotonin 5-HT2A receptor antagonism
3. The primary reason for conducting therapeutic drug monitoring (TDM) for Lithium is:
a. Its narrow therapeutic index
b. Its extensive first-pass metabolism
c. Its high protein binding
d. Its short half-life
ANSWER: a. Its narrow therapeutic index
4. Which of the following is a potentially life-threatening adverse reaction associated with antipsychotic
use?
a. Neuroleptic Malignant Syndrome
b. Tardive Dyskinesia
,c. Akathisia
d. Dystonia
ANSWER: a. Neuroleptic Malignant Syndrome
5. The mechanism of action of Benzodiazepines involves:
a. Blocking NMDA glutamate receptors
b. Enhancing the inhibitory effects of GABA
c. Inhibiting the reuptake of norepinephrine
d. Antagonizing muscarinic cholinergic receptors
ANSWER: b. Enhancing the inhibitory effects of GABA
6. Which neurotransmitter is most implicated in the positive symptoms of schizophrenia?
a. Excess Serotonin in the limbic system
b. Excess Dopamine in the mesolimbic pathway
c. Deficiency of Dopamine in the prefrontal cortex
d. Deficiency of Norepinephrine in the hippocampus
ANSWER: b. Excess Dopamine in the mesolimbic pathway
7. Before starting a patient on a tricyclic antidepressant (TCA), it is essential for the PMHNP to assess for:
a. History of narrow-angle glaucoma
b. History of migraines
c. Family history of allergies
d. Dietary habits
ANSWER: a. History of narrow-angle glaucoma
8. The most common side effect of SSRI antidepressants is:
a. Hypertensive crisis
b. Sexual dysfunction
c. Weight loss
,d. Urinary retention
ANSWER: b. Sexual dysfunction
9. Which of the following medications requires strict dietary avoidance of tyramine-rich foods?
a. Sertraline (Zoloft)
b. Phenelzine (Nardil)
c. Bupropion (Wellbutrin)
d. Trazodone (Desyrel)
ANSWER: b. Phenelzine (Nardil)
10. The primary goal during the acute phase of antidepressant treatment is:
a. To achieve remission of symptoms
b. To prepare the patient for medication discontinuation
c. To prevent relapse
d. To manage long-term side effects
ANSWER: a. To achieve remission of symptoms
11. Which part of the neuron is primarily responsible for receiving signals from other neurons?
a. Axon
b. Soma
c. Dendrites
d. Axon Terminal
ANSWER: c. Dendrites
12. Valproic acid (Depakote) is often used as a mood stabilizer, but it carries a significant Black Box
Warning for:
a. Hepatotoxicity
b. Renal failure
c. Pulmonary fibrosis
, d. Cardiomyopathy
ANSWER: a. Hepatotoxicity
13. The "Kindling Hypothesis" in bipolar disorder suggests that:
a. Early treatment may prevent future, more severe episodes
b. Seizures and mood episodes share the same pathophysiology
c. All mood stabilizers are also anticonvulsants
d. Depression is caused by a chemical imbalance
ANSWER: a. Early treatment may prevent future, more severe episodes
14. Which antipsychotic is associated with the highest risk of QTc prolongation?
a. Haloperidol (Haldol)
b. Thioridazine (Mellaril)
c. Risperidone (Risperdal)
d. Aripiprazole (Abilify)
ANSWER: b. Thioridazine (Mellaril)
15. A patient taking an SSRI presents with confusion, agitation, hyperreflexia, and fever. The PMHNP
should suspect:
a. Neuroleptic Malignant Syndrome
b. Serotonin Syndrome
c. Anticholinergic Toxicity
d. Diabetic Ketoacidosis
ANSWER: b. Serotonin Syndrome
16. The primary role of a PMHNP in pharmacogenetics is to:
a. Order genetic testing for every patient
b. Use genetic information to predict drug response and tailor treatment
c. Prescribe based solely on genetic markers