ATI RN
ATI Pharmacology Proctored Exam 2024
1. 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.
2. A client has a new prescription for Brimonidine ophthalmic drops and wears soft contact lenses. Which of the following instructions should the nurse include in the teaching?
- A. This medication can stain your contacts.
- B. This medication can cause your pupils to constrict.
- C. This medication can absorb into your contacts.
- D. This medication can slow your heart rate.
Correct answer: C
Rationale: The correct instruction the nurse should include is that Brimonidine can absorb into soft contact lenses. To prevent this, the client should remove the contacts, instill the medication, and wait at least 15 minutes before putting the contacts back in to avoid any potential absorption of the medication into the lenses. Choices A, B, and D are incorrect because Brimonidine is not known to stain contacts, cause pupil constriction, or slow heart rate.
3. A client has a prescription for Clindamycin. Which of the following instructions should the nurse include?
- A. Take the medication with a full glass of water.
- B. Avoid taking the medication with food.
- C. Discontinue the medication if diarrhea occurs.
- D. Expect to have increased appetite while taking this medication.
Correct answer: A
Rationale: The correct instruction for a client taking Clindamycin is to take the medication with a full glass of water. Clindamycin can cause esophageal irritation, so taking it with a full glass of water helps minimize this risk. Avoiding taking the medication with food is not necessary. If diarrhea occurs, clients should not discontinue the medication without consulting their healthcare provider. Clindamycin is not known to cause increased appetite.
4. A client with renal failure and an elevated phosphorus level is prescribed aluminum hydroxide 300 mg PO three times daily. For which of the following adverse effects should the nurse inform the client?
- A. Constipation
- B. Metallic taste
- C. Headache
- D. Muscle spasms
Correct answer: A
Rationale: Correct. Aluminum hydroxide is known to cause constipation as a common side effect. Instructing the client about this potential adverse effect is important for their awareness and management. The other options, metallic taste, headache, and muscle spasms, are not typically associated with aluminum hydroxide use. Therefore, the nurse should focus on educating the client about the increased risk of constipation and provide guidance on managing this side effect to improve the client's comfort and treatment adherence.
5. How is lithium typically administered?
- A. Intravenously
- B. Intramuscularly
- C. Orally
- D. Sublingually
Correct answer: C
Rationale: Lithium is typically administered orally to ensure proper absorption and distribution in the body. By taking lithium orally, it allows the medication to be absorbed through the gastrointestinal tract and distributed effectively. Intravenous and intramuscular routes are not commonly used for lithium administration as they can lead to rapid, unpredictable absorption and increase the risk of toxicity. Sublingual administration is also not the typical route for lithium, as it is usually taken orally for consistent and controlled absorption.
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