A nurse is teaching a client who has glaucoma and is to start taking timolol. Which of the following information should the nurse include?

Notify the provider if you experience a stinging sensation following administration.

Watch for a decreased heart rate while using this medication.

You can expect to develop a harmless darkening of the iris.

This medication can cause the lashes of the affected eye to lengthen.

Answer and Explanation

The Correct Answer is B

Choice A Reason:

Notifying the provider if you experience a stinging sensation following administration is not necessary. A mild stinging sensation is a common side effect of timolol eye drops and usually subsides quickly. However, if the stinging persists or is severe, it should be reported.

Choice B Reason:

Watching for a decreased heart rate while using this medication is important. Timolol is a beta-blocker, and one of its systemic side effects can be bradycardia (a slower than normal heart rate). Patients should be aware of this potential side effect and monitor their heart rate regularly.

Choice C Reason:

Developing a harmless darkening of the iris is not associated with timolol. This side effect is more commonly linked to prostaglandin analogs, another class of medications used to treat glaucoma.

Choice D Reason:

Timolol does not cause the lashes of the affected eye to lengthen. This side effect is also associated with prostaglandin analogs, not beta-blockers like timolol.

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Correct Answer is C

Explanation

Choice A Reason

Lidocaine is primarily used to treat ventricular arrhythmias, such as ventricular tachycardia or ventricular fibrillation. It is not typically used for bradycardia (a heart rate of 40/min) and would not be appropriate for this scenario.

Choice B Reason

Adenosine is used to treat certain types of supraventricular tachycardia (SVT) by slowing down the heart rate. It is not indicated for bradycardia and would not be suitable for a heart rate of 40/min.

Choice C Reason

Atropine is the first-line medication for treating symptomatic bradycardia. It works by blocking the effects of the vagus nerve on the heart, thereby increasing the heart rate. Given the client’s symptoms of a low heart rate, diaphoresis, and chest pain, atropine is the appropriate choice.

Choice D Reason

Verapamil is a calcium channel blocker used to treat high blood pressure, angina, and certain types of arrhythmias. However, it is not used for bradycardia and could potentially worsen the condition by further lowering the heart rate.

A. The dressing was changed 7 days ago. B. The circumference of the client’s upper arm has increased by 10%. C. The catheter has not been used in 8 hours. D. The catheter has been flushed with 10 mL of sterile saline after medication use.

Correct Answer is B

Explanation

Choice A Reason:

The dressing for a PICC line should be changed every 7 days or sooner if it becomes wet, soiled, or loose. Therefore, a dressing change 7 days ago is within the recommended guidelines and does not necessarily require immediate notification of the provider.

Choice B Reason:

An increase in the circumference of the client’s upper arm by 10% can indicate swelling, which may be a sign of complications such as infection, thrombosis, or infiltration. This finding should be promptly reported to the provider for further evaluation and intervention.

Choice C Reason:

The catheter not being used for 8 hours is not typically a cause for concern as long as it is properly flushed and maintained. PICC lines can remain in place for extended periods without use, provided they are flushed regularly to prevent occlusion.

Choice D Reason:

Flushing the catheter with 10 mL of sterile saline after medication use is a standard practice to maintain patency and prevent blockage This action does not require notification of the provider unless there are other associated complications.

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A nurse is teaching a client who has glaucoma and is to start taking timolol. Which of the following information should the nurse include?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is B

Explanation

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