Nokea
A nurse is preparing a continuing education presentation for a group of psychiatric-mental health nurses about various psychopharmacologic agents. The nurse is planning to discuss selective serotonin reuptake inhibitors. Which agents would the nurse include in this group? Select all that apply.
- A. Fluoxetine
- B. Duloxetine
- C. Sertraline
- D. Venlafaxine
- E. Bupropion
- F. Amoxapine
Correct Answer: A,C
Rationale: SSRIs include fluoxetine (A) and sertraline (C), which selectively inhibit serotonin reuptake. Duloxetine and venlafaxine are SNRIs, bupropion is an NDRI, and amoxapine is a tricyclic antidepressant, not SSRIs.
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A nursing instructor is teaching a class on the pharmacodynamics of psychiatric medications. The instructor determines that additional teaching is needed when the students identify which of the following as a site of action?
- A. Receptor
- B. Ion channels
- C. Neurotransmitters
- D. Enzymes
Correct Answer: C
Rationale: Pharmacodynamics involves how drugs act on the body, typically at receptors, ion channels, or enzymes. Neurotransmitters are chemicals that transmit signals, not sites of drug action, indicating a need for further teaching.
A patient with depression asks the nurse about possible herbal supplements. Which of the following would the nurse identify as being commonly used?
- A. Valerian
- B. St. John?s wort
- C. Kava
- D. Melatonin
Correct Answer: B
Rationale: St. John?s wort is commonly used for mild to moderate depression due to its serotonergic effects. Valerian and melatonin are used for sleep, and kava for anxiety, not primarily for depression.
A nurse administers a prescribed dose of lithium at 8 PM. The nurse would schedule a specimen to be obtained for a blood level at which time?
- A. 10:00 PM
- B. 12:00 AM
- C. 4:00 AM
- D. 8:00 AM
Correct Answer: D
Rationale: Lithium levels are typically drawn 12 hours after the last dose to measure trough levels, ensuring steady-state concentration. A dose at 8 PM would require a blood draw at 8 AM. Earlier times (10 PM, 12 AM, 4 AM) do not align with this timing.
A hospitalized patient who has been taking an antipsychotic medication for 2 weeks begins pacing and walking throughout the unit. He tells the nurse that he cannot sit still. The nurse documents this finding as which of the following?
- A. Akinesia
- B. Dystonia
- C. Pseudoparkinsonism
- D. Akathisia
Correct Answer: D
Rationale: Akathisia is characterized by restlessness and an inability to sit still, common with antipsychotics. Akinesia involves reduced movement, dystonia causes muscle spasms, and pseudoparkinsonism mimics Parkinson?s symptoms like tremor, not restlessness.
A nurse is caring for a psychiatric patient who is receiving an antacid that contains aluminum salts. Which action by the nurse would be most appropriate?
- A. Give the antacid 1 hour before the antipsychotic medication.
- B. Give the antacid at the same time as the antipsychotic medication.
- C. Administer the antacid 1 hour after the antipsychotic medication.
- D. Administer the antacid just before the patient goes to sleep.
Correct Answer: A
Rationale: Aluminum-containing antacids can bind with antipsychotics in the gut, reducing absorption. Administering the antacid 1 hour before the antipsychotic ensures proper absorption of the medication. Giving them together or after may interfere, and bedtime administration is irrelevant to absorption timing.