ATI RN
ATI Pharmacology
1. 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.
2. A client is taking Ritonavir, a protease inhibitor, to treat HIV infection. The nurse should monitor for which of the following adverse effects of this medication?
- A. Increased TSH level
- B. Decreased ALT level
- C. Hypoglycemia
- D. Hyperlipidemia
Correct answer: D
Rationale: The correct answer is D: Hyperlipidemia. Ritonavir, a protease inhibitor used in HIV treatment, can lead to hyperlipidemia, characterized by increased cholesterol and triglyceride levels. Monitoring lipid levels is crucial to identify and manage this potential adverse effect. Choices A, B, and C are incorrect because Ritonavir is not known to cause an increased TSH level, decreased ALT level, or hypoglycemia as adverse effects.
3. A patient is prescribed warfarin therapy for an artificial heart valve. Which of the following laboratory values should the nurse monitor for a therapeutic effect of warfarin?
- A. Hemoglobin
- B. Prothrombin time (PT)
- C. Bleeding time
- D. Activated partial thromboplastin time (aPTT)
Correct answer: B
Rationale: The correct answer is to monitor Prothrombin time (PT) when a patient is on warfarin therapy. Warfarin affects blood clotting, and PT is used to assess the therapeutic effect of this medication. Hemoglobin (Choice A) is not directly affected by warfarin therapy and does not reflect its therapeutic effect. Bleeding time (Choice C) measures the time it takes for bleeding to stop after a standardized cut and is not specific to warfarin therapy. Activated partial thromboplastin time (aPTT) (Choice D) is more commonly used to monitor heparin therapy, not warfarin.
4. How do ACE inhibitors work?
- A. Block the vasoconstrictor and aldosterone effects of angiotensin II at the receptor site
- B. Block stimulation of beta 1 and beta 2 at the receptor sites
- C. Block the conversion of angiotensin I to the vasoconstrictor angiotensin II
- D. None of the above
Correct answer: C
Rationale: ACE inhibitors work by inhibiting the conversion of angiotensin I to angiotensin II. Angiotensin II is a potent vasoconstrictor, and by blocking its production, ACE inhibitors help dilate blood vessels, reduce blood pressure, and decrease the workload of the heart. Choice A is incorrect because it describes the mechanism of action of angiotensin receptor blockers (ARBs), not ACE inhibitors. Choice B is incorrect as it describes beta-blockers, not ACE inhibitors. Choice D is incorrect as ACE inhibitors do have a specific mechanism of action.
5. A client has a new prescription for Adalimumab for Rheumatoid Arthritis. Based on the route of administration of Adalimumab, which of the following should the nurse plan to monitor?
- A. The vein for thrombophlebitis during IV administration.
- B. The subcutaneous site for redness following injection.
- C. The oral mucosa for ulceration after oral administration.
- D. The skin for irritation following removal of transdermal patch.
Correct answer: B
Rationale: Adalimumab is administered subcutaneously for Rheumatoid Arthritis. Injection-site reactions such as redness and swelling are common. Therefore, the nurse should monitor the subcutaneous site for redness following the injection to assess for potential adverse effects.
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