ATI RN
ATI Pharmacology
1. When teaching a client with a new prescription for Timolol how to insert eye drops, which instruction should the nurse include?
- A. Press your finger on the inside corner of your eye for 1 minute after application.
- B. Apply the eye drops directly on the cornea.
- C. Drop the prescribed amount of medication into the center of the conjunctival sac.
- D. Wipe your eyes gently with a tissue immediately after application.
Correct answer: C
Rationale: The correct way to administer eye drops is by instructing the client to drop the prescribed amount of medication into the center of the conjunctival sac. This technique helps in proper distribution and absorption of the medication. Choice A is incorrect as pressing the inside corner of the eye is not necessary. Choice B is incorrect because applying eye drops directly on the cornea can cause irritation and discomfort. Choice D is incorrect as wiping the eyes immediately after application can remove the medication and reduce its effectiveness.
2. A client has a prescription for digoxin. The client should be monitored for which of the following findings as an indication of digoxin toxicity?
- A. Visual disturbances
- B. Tachycardia
- C. Increased appetite
- D. Constipation
Correct answer: A
Rationale: Visual disturbances, such as yellow-tinged vision or seeing halos around lights, are common signs of digoxin toxicity. These symptoms should be reported immediately to healthcare providers for further evaluation and management. Tachycardia (Choice B) is not typically associated with digoxin toxicity. Increased appetite (Choice C) and constipation (Choice D) are not common manifestations of digoxin toxicity. Therefore, the correct answer is visual disturbances.
3. A client has a new prescription for Propranolol. Which of the following findings should the healthcare provider identify as a contraindication to this medication?
- A. Asthma
- B. Diabetes mellitus
- C. Hypertension
- D. Glaucoma
Correct answer: A
Rationale: Propranolol is a non-selective beta-blocker that can cause bronchoconstriction, making it contraindicated for clients with asthma. Asthma is a contraindication for Propranolol due to the potential of worsening bronchoconstriction and causing respiratory distress in individuals with this condition. Diabetes mellitus, hypertension, and glaucoma are not contraindications for Propranolol.
4. A healthcare provider in a clinic is monitoring serum electrolytes for four older adult clients who take digoxin. Which of the following electrolyte values increases a client's risk for Digoxin toxicity?
- A. Calcium 9.2 mg/dL
- B. Calcium 10.3 mg/dL
- C. Potassium 3.4 mEq/L
- D. Potassium 4.8 mEq/L
Correct answer: C
Rationale: Potassium 3.4 mEq/L is below the expected reference range, which increases the risk for digoxin toxicity. Low potassium levels can lead to fatal dysrhythmias, particularly in older clients taking Digoxin. Hypokalemia potentiates the effects of Digoxin, making the heart more sensitive to its toxic effects. Monitoring and correcting electrolyte imbalances, especially low potassium levels, are crucial to prevent adverse effects of digoxin therapy. Calcium levels do not directly influence digoxin toxicity, so choices A and B are incorrect. High potassium levels, as in choice D, are less likely to increase the risk of digoxin toxicity compared to low potassium levels.
5. A client in a long-term care facility has Hypothyroidism and a new prescription for Levothyroxine. Which of the following dosage schedules should the nurse expect for this client?
- A. The client will start at a high dose, and the dose will be tapered as needed.
- B. The client will remain on the initial dosage during the course of treatment.
- C. The client's dosage will be adjusted daily based on blood levels.
- D. The client will start on a low dose, which will be gradually increased.
Correct answer: D
Rationale: Levothyroxine should be initiated at a low dose and titrated gradually over several weeks to achieve therapeutic levels. This approach helps to minimize the risk of adverse effects, particularly in older adult clients who may be more sensitive to medication changes. Starting at a low dose allows for close monitoring of the client's response and adjustment of the dosage as needed to optimize treatment outcomes. Choice A is incorrect because starting at a high dose can increase the risk of adverse effects and is not the recommended approach. Choice B is incorrect because maintaining the initial dosage throughout the treatment may not achieve optimal therapeutic levels. Choice C is incorrect because adjusting the dosage daily based on blood levels is not the standard practice for initiating Levothyroxine treatment.
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