ATI RN
ATI Pharmacology Proctored Exam 2023
1. A client has a new prescription for transdermal patches. Which of the following statements should the nurse identify as an indication that the client understands the instructions?
- A. I will clean the site with an alcohol swab before applying the patch.
- B. I will rotate the application sites weekly.
- C. I will apply the patch to an area of skin with no hair.
- D. I will place the new patch where the old patch was.
Correct answer: C
Rationale: The correct answer is C because applying the patch to an area of skin without hair ensures better absorption of the medication. Hair can interfere with the patch's adherence and effectiveness. It is important for the client to choose a clean, hairless area for proper medication delivery. Choices A, B, and D are incorrect. Cleaning the site with an alcohol swab is a good practice but does not specifically indicate understanding of proper patch application. Rotating application sites weekly is important to prevent skin irritation but is not directly related to applying the patch to an area of skin without hair. Placing the new patch where the old patch was may lead to skin irritation and poor absorption of the medication.
2. A client has a prescription for Heparin. Which of the following laboratory tests should be monitored while the client is receiving Heparin?
- A. Prothrombin time (PT)
- B. Complete blood count (CBC)
- C. International normalized ratio (INR)
- D. Activated partial thromboplastin time (aPTT)
Correct answer: D
Rationale: Activated partial thromboplastin time (aPTT) is the correct laboratory test to monitor while a client is receiving Heparin. This test is used to assess the therapeutic levels of heparin in the blood, ensuring that the dose is within the safe and effective range. Monitoring aPTT helps healthcare providers adjust the dosage of Heparin to prevent complications such as bleeding or clotting.
3. A client has a new prescription for Lithium Carbonate. When teaching the client about ways to prevent Lithium toxicity, the client should be advised to do which of the following?
- A. Avoid using acetaminophen for headaches.
- B. Restrict intake of foods rich in sodium.
- C. Decrease fluid intake to less than 1,500 mL daily.
- D. Limit aerobic activity in hot weather.
Correct answer: D
Rationale: The correct answer is to advise the client to limit aerobic activity in hot weather. Aerobic activity in hot weather can lead to excessive sweating, potentially causing sodium and water depletion, which can increase the risk of Lithium toxicity. It is important for clients taking Lithium to maintain adequate hydration and sodium levels to prevent toxicity. Choices A, B, and C are incorrect. Avoiding acetaminophen for headaches is not directly related to Lithium toxicity. Restricting intake of foods rich in sodium is not recommended because adequate sodium levels are necessary to prevent Lithium toxicity. Decreasing fluid intake to less than 1,500 mL daily is also not advisable as adequate hydration is important to prevent Lithium toxicity.
4. A client with HIV is starting therapy with zidovudine. The nurse should monitor the client for which of the following adverse effects of this medication?
- A. Fatigue
- B. Blurred vision
- C. Ringing in the ears
- D. Constipation
Correct answer: A
Rationale: Fatigue is a common adverse effect of zidovudine due to its impact on bone marrow, leading to anemia. Zidovudine is known to cause bone marrow suppression, resulting in decreased production of red blood cells and subsequent fatigue.
5. 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 answer is C. Brimonidine can absorb into soft contact lenses. To prevent this, the client should remove their contacts, instill the medication, and wait at least 15 minutes before putting the contacts back in to avoid potential absorption of the medication by the lenses. Choices A, B, and D are incorrect because Brimonidine's main concern with contact lenses is its absorption into the lenses rather than staining contacts, causing pupil constriction, or affecting heart rate.
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