ATI RN
ATI Pharmacology Proctored Exam 2019
1. A client is receiving moderate sedation with Diazepam IV and is oversedated. Which of the following medications should the nurse anticipate administering to this client?
- A. Ketamine
- B. Naltrexone
- C. Flumazenil
- D. Fluvoxamine
Correct answer: C
Rationale: Flumazenil is a specific benzodiazepine antagonist that competitively reverses the sedative effects of benzodiazepines like Diazepam. In cases of oversedation or respiratory depression caused by benzodiazepines, administering Flumazenil can help reverse the effects and restore the client's consciousness and respiratory drive. Ketamine (Choice A) is a dissociative anesthetic and not used to reverse benzodiazepine sedation. Naltrexone (Choice B) is an opioid receptor antagonist and not indicated for benzodiazepine oversedation. Fluvoxamine (Choice D) is an antidepressant and not used to counteract benzodiazepine sedation.
2. A healthcare professional is reviewing the laboratory results of a client taking Warfarin for atrial fibrillation. Which of the following findings should the professional report to the provider immediately?
- A. INR of 4.0
- B. Potassium level of 4.5 mEq/L
- C. Creatinine level of 1.0 mg/dL
- D. BUN of 18 mg/dL
Correct answer: A
Rationale: An INR of 4.0 indicates that the client's blood is clotting too slowly, increasing the risk of bleeding. This level is above the therapeutic range for a client on Warfarin therapy. Therefore, the healthcare professional should notify the provider immediately to prevent potential bleeding complications. The other laboratory values are within normal limits and do not pose an immediate risk to the client's health while on Warfarin therapy.
3. A client with a UTI and a history of recurrent infections asks why the provider has not yet prescribed an antibiotic. The nurse should explain that the provider has to wait for the results of which of the following laboratory tests to identify which antibiotic to prescribe?
- A. Gram stain
- B. Culture
- C. Sensitivity
- D. Specific gravity
Correct answer: C
Rationale: In the case of a UTI, a sensitivity test is crucial as it identifies the most effective antibiotic to target the specific microorganism causing the infection. This test helps in prescribing the appropriate antibiotic for successful treatment and preventing antibiotic resistance. While a Gram stain and culture are important in diagnosing a UTI, the sensitivity test specifically determines the most suitable antibiotic. Specific gravity, on the other hand, is not related to identifying the appropriate antibiotic for a UTI.
4. A client has a new prescription for Levothyroxine. Which of the following instructions should the nurse include?
- A. Take this medication with food.
- B. Take this medication at bedtime.
- C. Take this medication on an empty stomach.
- D. Take this medication with antacids.
Correct answer: C
Rationale: Levothyroxine should be taken on an empty stomach to increase absorption and efficacy. Taking it with food or antacids can interfere with its absorption. By taking Levothyroxine on an empty stomach, the client ensures optimal absorption and effectiveness of the medication.
5. A client receives a local anesthetic of Lidocaine during the repair of a skin laceration. For which of the following adverse reactions should the nurse monitor the client?
- A. Seizures
- B. Tachycardia
- C. Hypertension
- D. Fever
Correct answer: A
Rationale: Seizures are a potential adverse reaction to local anesthetics like Lidocaine. Lidocaine can affect the central nervous system and, in some cases, lead to seizure activity. Therefore, it is important for the nurse to monitor the client for any signs of seizures during and after the administration of Lidocaine.
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