ATI LPN
ATI LPN Pharmacology N113 Exam Questions
Extract:
Question 1 of 5
A nurse is reinforcing teaching with a client who has a new prescription for phenytoin. The nurse should recognize that which of the following statements by the client indicates a need for further teaching?
Correct Answer: C
Rationale: Phenytoin is typically used as a long-term treatment for seizure disorders. Stopping the medication suddenly can increase the risk of seizures and should only be done under the guidance of a healthcare provider.
Question 2 of 5
A nurse is assisting with the preparation of an educational program about the use of oral contraceptives. The nurse should include that which of the following herbal supplements reduces the effectiveness of oral contraceptives?
Correct Answer: B
Rationale: St. John's wort is an herbal supplement that can induce the cytochrome P450 enzyme system, leading to increased metabolism of oral contraceptives and potentially reducing their effectiveness. Women taking oral contraceptives should be cautioned against using St. John's wort or advised to use alternative contraceptive methods.
Question 3 of 5
A nurse is assisting with monitoring a client who has preeclampsia and is receiving magnesium sulfate. The client's respiratory rate is 8/min. Which of the following should the nurse administer?
Correct Answer: A
Rationale: Respiratory depression is a potential side effect of magnesium sulfate toxicity. Administering calcium gluconate can antagonize the effects of magnesium on smooth muscle and cardiac tissue, helping to counteract respiratory depression and other symptoms of magnesium toxicity.
Question 4 of 5
A nurse is caring for a client who begins showing signs of alcohol withdrawal delirium. Which of the following medications should the nurse administer?
Correct Answer: D
Rationale: Lorazepam is a benzodiazepine commonly used to manage alcohol withdrawal symptoms, including delirium tremens. It acts by enhancing the inhibitory effects of gamma-aminobutyric acid (GAB
A) in the central nervous system, thereby reducing the symptoms of alcohol withdrawal such as seizures.
Question 5 of 5
A nurse is reinforcing teaching with a client who has a prescription for lithium carbonate to treat bipolar disorder. Which of the following instructions should the nurse include?
Correct Answer: B
Rationale: It can take up to 3 weeks to see the full effects of lithium carbonate, which is used to treat bipolar disorder.