Nokea
A client is prescribed lithium. The nurse suspects lithium toxicity based on which lithium drug level?
- A. 0.8mEq /L
- B. 1.0mEq /L
- C. 1.3mEq /L
- D. 1.6mEq /L
Correct Answer: D
Rationale: Lithium toxicity typically occurs at serum levels above 1.5 mEq/L, making 1.6 mEq/L indicative of toxicity.
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When assessing a client for depression, which of the following would the nurse most likely find?
- A. Drowsiness
- B. Extreme sadness
- C. Severe headache
- D. Dilated pupils
Correct Answer: B
Rationale: Extreme sadness is a hallmark symptom of depression, distinguishing it from side effects like drowsiness or symptoms of other conditions like hypertensive crisis.
When describing the action of antidepressants, the nursing instructor would include the belief that they exert their effect by causing slow adaptive changes to which of the following receptor systems?
- A. Beta-adrenergic
- B. Baroreceptors
- C. Norepinephrine
- D. Serotonin
- E. Nicotinic
Correct Answer: C,D
Rationale: Antidepressants, particularly those affecting monoamine systems, induce adaptive changes in norepinephrine and serotonin receptor systems, enhancing neurotransmission over time.
After teaching a client who is prescribed lithium about the drug, the nurse determines that the teaching was successful when the client states which of limited how much I drink
- A. I need to limit how much I drink
- B. Salt is something that I need to avoid
- C. I should take the drug with food
- D. I need to call the doctor if I have a painful erection
Correct Answer: C
Rationale: Taking lithium with food reduces gastrointestinal irritation, and the client's statement reflects understanding of this instruction.
A client is prescribed a monoamine oxidase inhibitor (MAOI) for depression. During the initial interview, with the client, the nurse understands that the client is also receiving an adrenergic agent. The nurse would be alert for which of the following?
- A. Increased risk for hypertensive episodes
- B. Increased risk for severe convulsions
- C. Increased risk for hyperpyretic episodes
- D. Increased risk for cardiac arrhythmias
Correct Answer: D
Rationale: MAOIs combined with adrenergic agents can lead to cardiac arrhythmias due to excessive catecholamine activity.
Which of the following antidepressants exert their effects by inhibiting the reuptake of serotonin?
- A. Amitriptyline
- B. Bupropion
- C. Clomipramine
- D. Fluoxetine
- E. Escitalopram
Correct Answer: D,E
Rationale: Selective serotonin reuptake inhibitors (SSRIs) like fluoxetine and escitalopram specifically target serotonin reuptake, enhancing serotonin levels in the brain.