ATI RN
ATI Pharmacology Proctored Exam 2019
1. During an assessment, a male client who has recently started taking Haloperidol is displaying certain symptoms. Which of the following findings should the nurse prioritize in reporting to the provider?
- A. Shuffling gait
- B. Neck spasms
- C. Drowsiness
- D. Impotence
Correct answer: B
Rationale: Neck spasms are indicative of acute dystonia, a serious side effect of Haloperidol that requires urgent intervention. Immediate reporting to the provider is crucial to address this potentially harmful condition and ensure the client's safety. Shuffling gait, drowsiness, and impotence are important to monitor but do not pose the same level of immediate risk as acute dystonia. Acute dystonia can lead to serious complications if not promptly treated, making it the priority in this scenario.
2. What does it mean when a medication has a half-life?
- A. It only lasts for 30 minutes after the medication is given
- B. How long it takes for half of the dose to be eliminated from the bloodstream
- C. It is the peak of how effective the medicine is
- D. Drug is greatly reduced before it reaches the systemic circulation
Correct answer: B
Rationale: When a medication has a half-life, it refers to the time it takes for half of the dose to be eliminated from the bloodstream. This parameter is crucial in understanding the duration of action and dosing intervals for medications in clinical practice. Choice A is incorrect as the half-life is not about how long the medication lasts but about elimination from the body. Choice C is incorrect because the half-life is not about the peak effectiveness of the medicine. Choice D is incorrect as it does not accurately define the concept of half-life.
3. Which of the following is not a side effect of Sympathoplegics (Clonidine)?
- A. Hypertension
- B. Difficulty breathing
- C. Dry oral cavity
- D. Lethargic behavior
Correct answer: A
Rationale: The correct answer is A. Clonidine, a Sympathoplegic, typically causes hypotension rather than hypertension. The other side effects associated with Clonidine include dry oral cavity, lethargic behavior, and difficulty breathing, making them incorrect choices in this context.
4. A client is being taught about taking Tetracycline to treat a GI infection caused by Helicobacter pylori. Which of the following statements should indicate to the nurse that the client understands the instructions?
- A. I will take this medication with 8 ounces of milk.
- B. I will inform my doctor if I experience diarrhea.
- C. I can discontinue this medication when I feel completely well.
- D. I can take this medication just before bedtime.
Correct answer: B
Rationale: The correct answer is B. Diarrhea can indicate the development of a suprainfection, which can be serious. Therefore, it is essential for the client to notify the healthcare provider if they experience diarrhea while taking Tetracycline to treat a GI infection caused by Helicobacter pylori. Choices A, C, and D are incorrect because taking Tetracycline with milk can reduce its absorption, discontinuing the medication prematurely can lead to treatment failure, and taking it just before bedtime may increase the risk of esophageal irritation due to the potential reflux of the medication.
5. Phenytoin is an antiarrhythmic and anticonvulsant that has an unlabeled use for:
- A. Headaches
- B. Cold remedy
- C. Neuropathic pain
- D. Antianxiety
Correct answer: C
Rationale: Phenytoin, an antiarrhythmic and anticonvulsant medication, is also used off-label for treating neuropathic pain. While its primary indications are for managing heart rhythm disorders and seizures, it has shown efficacy in managing neuropathic pain, expanding its clinical utility. Choices A, B, and D are incorrect as phenytoin is not commonly used for headaches, cold remedies, or antianxiety purposes.
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