ATI RN
ATI Pharmacology Proctored Exam 2023
1. A client with Preeclampsia is receiving Magnesium Sulfate IV continuous infusion. Which of the following findings should the nurse report to the provider?
- A. 2+ deep tendon reflexes
- B. 2+ pedal edema
- C. 24 mL/hr urinary output
- D. Respirations 12/min
Correct answer: C
Rationale: In a client receiving Magnesium Sulfate IV for Preeclampsia, a urinary output less than 25 to 30 mL/hr indicates magnesium sulfate toxicity and should be reported to the provider for further evaluation and management. Choice A, 2+ deep tendon reflexes, is a normal finding with magnesium sulfate therapy. Choice B, 2+ pedal edema, is expected in clients with preeclampsia but does not indicate magnesium sulfate toxicity. Choice D, respirations 12/min, is within the normal range and not a concerning finding related to magnesium sulfate administration.
2. A client is receiving daily doses of Oprelvekin. Which of the following laboratory values should the nurse monitor to determine the effectiveness of this medication?
- A. Hemoglobin
- B. Absolute neutrophil count
- C. Platelet count
- D. Total white blood cell count
Correct answer: C
Rationale: The nurse should monitor the platelet count to determine the effectiveness of Oprelvekin. The expected outcome for this medication is a platelet count greater than 50,000/mm^3. Oprelvekin is a medication used to stimulate platelet production, making platelet count a crucial parameter to assess its effectiveness. Monitoring hemoglobin, absolute neutrophil count, or total white blood cell count is not specifically related to the action or effectiveness of Oprelvekin.
3. A client with migraine headaches is starting prophylaxis therapy with Propranolol. Which finding in the client's history should the nurse report to the provider?
- A. The client had a prior myocardial infarction.
- B. The client takes warfarin for atrial fibrillation.
- C. The client takes an SSRI for depression.
- D. An ECG indicates a first-degree heart block.
Correct answer: D
Rationale: Propranolol is contraindicated in clients with first-degree heart block due to its negative inotropic and chronotropic effects. The nurse should report this finding to the provider to consider an alternative therapy to prevent potential worsening of cardiac conduction abnormalities. Choices A, B, and C are not directly contraindications to Propranolol therapy for migraine headaches and do not pose immediate risks that would require reporting to the provider.
4. Which of the following is the antidote for benzodiazepine toxicity?
- A. Flumazenil
- B. Methylene blue
- C. Deferoxamine
- D. Alkalinize urine
Correct answer: A
Rationale: Flumazenil is the specific antidote for benzodiazepine toxicity. It acts as a competitive antagonist at the benzodiazepine binding site on the GABA receptor, reversing the sedative effects of benzodiazepines. Administration of flumazenil is indicated in cases of benzodiazepine overdose or toxicity to rapidly reverse the central nervous system depression caused by these drugs. It is important to note that flumazenil should be used cautiously in patients with a history of seizures or those who are physically dependent on benzodiazepines, as it can precipitate withdrawal symptoms or seizures.
5. What is the first type of medication prescribed to prevent angina pain for a client?
- A. Beta blockers
- B. Alpha blockers
- C. Calcium channel blockers
- D. Organic nitrates
Correct answer: A
Rationale: Beta blockers are the first-line medication prescribed to prevent angina pain. They work by reducing the heart rate and blood pressure, decreasing the heart's demand for oxygen. This helps in preventing angina attacks by improving blood flow to the heart. Alpha blockers, calcium channel blockers, and organic nitrates are also used in angina treatment but are typically considered after beta blockers.
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