ATI RN
Pharmacology ATI Proctored Exam 2023
1. The healthcare professional is preparing to administer atenolol (Tenormin) to a client with angina. Which vital sign would cause the healthcare professional to question administering this drug?
- A. Respirations 12 breaths per minute
- B. Pulse 52 beats per minute
- C. Blood pressure 134/72
- D. Oxygen saturation 95%
Correct answer: B
Rationale: Atenolol is a beta-blocker medication that can lower heart rate. A pulse of 52 beats per minute is relatively low and administering atenolol could further decrease the heart rate, potentially leading to bradycardia. Monitoring the pulse rate and holding the medication if the pulse is below the prescribed parameters is crucial to prevent adverse effects such as bradycardia and hypotension.
2. A client has a new prescription for Trimethoprim-sulfamethoxazole. Which of the following information should the nurse include?
- A. Take the medication on an empty stomach.
- B. Maintain a fluid restriction while taking it.
- C. Take it with food.
- D. Stop taking it when manifestations subside.
Correct answer: C
Rationale: The correct answer is C: 'Take it with food.' Trimethoprim-sulfamethoxazole can cause gastrointestinal upset, and taking it with food helps reduce the risk of stomach irritation. It should not be taken on an empty stomach. Maintaining good hydration is important to prevent kidney-related side effects, so maintaining a fluid restriction, as in choice B, is not appropriate. Additionally, stopping the medication when manifestations subside, as in choice D, is incorrect as antibiotics should be taken for the full prescribed course to ensure eradication of the infection and to prevent antibiotic resistance.
3. When reviewing a client's health record, a nurse notes a new prescription for Lisinopril 10 mg PO once daily. The nurse should identify this as which type of prescription?
- A. Single
- B. Stat
- C. Routine
- D. Standing
Correct answer: C
Rationale: A routine prescription indicates medications to be administered on a regular schedule without a termination date or a specific number of doses. In this case, Lisinopril 10 mg PO once daily falls under a routine prescription, meaning the nurse will administer this medication daily until the provider discontinues it. Choices A, B, and D are incorrect: A 'single' prescription is for a one-time dose, 'stat' prescriptions are for immediate administration, and 'standing' prescriptions are pre-authorized for administration as needed within specified parameters.
4. A client in the operating room received a dose of Succinylcholine, leading to muscle rigidity and a sudden rise in body temperature. The nurse should anticipate a prescription for which of the following medications?
- A. Neostigmine
- B. Naloxone
- C. Dantrolene
- D. Vecuronium
Correct answer: C
Rationale: Muscle rigidity and a sudden rise in temperature are indicative of malignant hyperthermia, a potential complication of succinylcholine. Dantrolene is the drug of choice to treat malignant hyperthermia as it acts on skeletal muscles to reduce metabolic activity and counteract the symptoms. Neostigmine (Choice A) is used to reverse the effects of non-depolarizing neuromuscular blocking agents, not for malignant hyperthermia. Naloxone (Choice B) is an opioid antagonist used for opioid overdose. Vecuronium (Choice D) is a non-depolarizing neuromuscular blocking agent and is not the appropriate medication for malignant hyperthermia.
5. A client has been prescribed diltiazem (Cardizem) and asks the nurse what type of drug this is. Which response by the nurse is most appropriate?
- A. “A beta blocker.”
- B. “A sodium channel blocker.”
- C. “An alpha blocker.”
- D. “A calcium channel blocker.”
Correct answer: D
Rationale: Diltiazem (Cardizem) belongs to the class of drugs known as calcium channel blockers. These medications work by blocking calcium from entering the muscle cells of the heart and blood vessels, leading to relaxation of the blood vessels and reduced workload on the heart. This helps in lowering blood pressure and improving blood flow. It is crucial for the nurse to provide accurate information to the client about the type of drug prescribed to ensure understanding and compliance with the treatment plan.
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