A nurse is assessing the visual acuity of a client who wears glasses using a Snellen chart. Which of the following actions should the nurse take?
Position the client 3 meters (10 feet) away from the chart
Document the largest line the client can read on the chart
Instruct the client to begin the assessment with both eyes open
Begin by testing the client while they are wearing glasses
The Correct Answer is D
To test visual acuity using a Snellen chart, the nurse should have the patient wear glasses or contact lenses if they normally wear them . The patient should stand 20 feet from the chart . The nurse should tell the patient to first cover the right eye, then left eye, and lastly read the chart with both eyes .
The other options are not correct because:
a). The client should be positioned 20 feet away from the chart, not 3 meters (10 feet).
b) The nurse should document the smallest line the client can read accurately on the chart, not the largest line.
c) The nurse should instruct the client to begin the assessment by covering one eye and reading aloud the letters on the chart, beginning at the top and moving toward the bottom
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A:
An absent dorsal pedal pulse would indicate a vascular problem such as arterial occlusion, not a deep vein thrombosis (DVT). In the case of DVT, blood flow in the veins is obstructed, but the arterial pulse, which is related to arterial circulation, should remain intact unless there is a separate arterial issue. Therefore, absent pulses are not characteristic of DVT.
Choice B:
Shiny, hairless skin is a sign typically associated with chronic arterial insufficiency, not DVT. This skin change occurs when there is poor arterial blood flow, which leads to a lack of nourishment for the skin, causing it to become thin and shiny. In contrast, DVT affects the veins and does not usually cause these skin changes in the acute phase.
Choice C:
Irregular, bulging veins are indicative of varicose veins or chronic venous insufficiency, not a DVT. Varicose veins occur when the veins become swollen and twisted due to weak or damaged valves. DVT, on the other hand, involves the formation of a clot in the deep veins and does not typically cause the veins to bulge visibly, especially in the early stages.
Choice D:
Dull, aching pain is a common symptom associated with deep vein thrombosis. This pain typically occurs in the affected extremity and is often described as a constant, aching sensation. The pain can worsen with movement or standing and is due to the inflammation and obstruction caused by the blood clot in the deep veins. This is a hallmark sign of DVT, along with swelling and redness in the affected limb.
Correct Answer is A
Explanation
Answer: A
Rationale:
A) Ampicillin: Ampicillin is contraindicated for this client because it belongs to the penicillin class of antibiotics. Since the client is allergic to penicillin, administering ampicillin could trigger an allergic reaction, which could range from mild rash to severe anaphylaxis.
B) Erythromycin: Erythromycin is a macrolide antibiotic and can be used as an alternative for clients who are allergic to penicillin. It is often prescribed for group B streptococcus infections in penicillin-allergic clients, making it a suitable option in this case.
C) Cefazolin: Cefazolin is a cephalosporin antibiotic and is generally considered safe for clients with a penicillin allergy, except in cases of severe penicillin allergies. Cross-reactivity is low, and cefazolin can be an appropriate choice for treating group B streptococcus.
D) Clindamycin: Clindamycin is a lincosamide antibiotic and is often used for clients with penicillin allergies. It is effective against group B streptococcus and does not belong to the penicillin or cephalosporin classes, making it a suitable option for this client.
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