The nurse is assessing the eyes of a client who just received mydriatic eye drops. Which physiological function of the eye will not respond during the therapeutic period after administration of the eye drops?
Pupillary constriction.
Refraction.
Eye convergence.
Accommodation.
The Correct Answer is A
A. Pupillary constriction: Mydriatic eye drops are designed to dilate the pupils, which means they inhibit pupillary constriction. During the therapeutic period after administration, the pupil remains dilated and does not constrict in response to light or other stimuli.
B. Refraction: Refraction, the bending of light as it passes through the eye's lens and cornea, is not directly affected by mydriatic eye drops. The process of focusing light onto the retina is still functional even when the pupils are dilated.
C. Eye convergence: Eye convergence, the inward movement of both eyes toward each other to focus on a close object, remains functional during mydriasis. Mydriatic drops do not typically impair this ability.
D. Accommodation: Accommodation, the eye's ability to change the focus from distant to near objects, is affected by mydriatic drops. These medications paralyze the ciliary muscles responsible for accommodation, making it difficult to focus on near objects during the period of dilation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Double the dose if a dose is missed: This is incorrect and requires additional instruction. Clients should not double the dose of allopurinol if a dose is missed. The appropriate action is to take the missed dose as soon as remembered unless it's almost time for the next dose. Doubling the dose can increase the risk of side effects or toxicity. The nurse should advise the client to follow the prescribed dosing schedule and consult the healthcare provider for specific instructions on missed doses.
B. Reduce caffeine and alcohol intake: This is good advice. Reducing caffeine and alcohol can help in managing uric acid levels and prevent potential interactions with allopurinol. Both substances can potentially increase uric acid levels or interfere with the medication’s effectiveness.
C. Avoid taking on an empty stomach: This is generally accurate. Allopurinol can be taken with or after meals to reduce the risk of gastrointestinal upset. It is important to follow the specific instructions provided by the healthcare provider or as indicated on the medication label.
D. Consume 2 liters of water daily: This is sound advice. Adequate hydration is important when taking allopurinol, as it helps to prevent the formation of uric acid crystals and promotes kidney function. Consuming 2 liters of water daily helps to maintain proper hydration and support the medication's effectiveness.
Correct Answer is ["200"]
Explanation
Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hr)
Plugging in the values:
Infusion rate (mL/hr) = 200 mL / 1 hr
Infusion rate (mL/hr) = 200 mL/hr
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