The nurse is speaking to the client and suspects a weakness in eye muscle after observing the eyes cross.
What test should the nurse administer to further assess this problem?
Cover/Uncover test.
Testing peripheral vision.
Snellen chart test.
Weber test.
The Correct Answer is A
Choice A rationale
The Cover/Uncover test is used to assess the presence of strabismus or eye muscle weakness. During this test, one eye is covered while the other eye is observed for movement. The uncovered eye is then observed when the cover is removed. If there is a misalignment or weakness, the uncovered eye will move to re-establish focus, indicating a problem with eye muscle control.
Choice B rationale
Testing peripheral vision involves assessing the range of vision around the central focus point and is not specifically used to detect eye muscle weakness. It evaluates the function of the retina and optic nerve rather than the eye muscles. This test helps identify issues such as glaucoma or retinal detachment.
Choice C rationale
The Snellen chart test measures visual acuity, specifically how well a person can see at various distances. It is not designed to assess eye muscle strength or alignment. The test involves reading letters of different sizes from a chart placed at a standard distance.
Choice D rationale
The Weber test is an auditory test used to assess hearing loss by placing a vibrating tuning fork on the forehead or middle of the head. It helps determine whether hearing loss is conductive or sensorineural in nature. This test does not provide information about eye muscle function or alignment.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
An elliptical chest describes the typical shape of a healthy chest with a lateral dimension greater than the anteroposterior dimension. This shape allows for normal expansion and contraction of the lungs during breathing. An elliptical chest does not indicate any deformity or abnormality in the sternum or costal cartilage.
Choice B rationale
Pectus excavatum, also known as funnel chest, is a congenital deformity where the sternum and costal cartilage are sunken inward, creating a concave appearance of the chest. This condition can range in severity and may affect respiratory function and exercise tolerance in some individuals. Surgical correction may be considered for severe cases.
Choice C rationale
A standard chest describes a chest without any deformities or abnormalities, typically with a normal elliptical shape. This term does not denote any specific condition or configuration and implies a healthy, non-deformed chest.
Choice D rationale
Barrel chest is characterized by an increased anteroposterior diameter of the chest, giving it a round or barrel-like appearance. This condition is often seen in individuals with chronic obstructive pulmonary disease (COPD) or emphysema, where the lungs are chronically overinflated, causing the chest to expand and lose its normal shape.
Correct Answer is D
Explanation
Choice A rationale
Separation of the retina from the choroid, also known as retinal detachment, is a different condition altogether. Retinal detachment can cause vision loss but is not related to macular degeneration. This condition often requires immediate medical attention to prevent permanent vision loss and is typically characterized by the sudden appearance of floaters, flashes of light, and a shadow or curtain over a portion of the visual field.
Choice B rationale
Peripheral vision loss and seeing halos around light are more commonly associated with conditions like glaucoma. Glaucoma involves increased intraocular pressure, which can damage the optic nerve and lead to peripheral vision loss and seeing halos around lights. This condition can be managed with medications or surgery to lower intraocular pressure and prevent further vision loss.
Choice C rationale
Complaints of severe pain and pressure in the eye are indicative of acute angle-closure glaucoma. This is a medical emergency and requires prompt treatment to reduce intraocular pressure and prevent optic nerve damage. The symptoms of acute angle-closure glaucoma are sudden and severe and can include headache, nausea, and vomiting, along with the eye pain and pressure.
Choice D rationale
Central vision loss with intact peripheral vision is characteristic of macular degeneration, particularly age-related macular degeneration (AMD). AMD affects the macula, the part of the retina responsible for sharp, central vision. As the macula deteriorates, central vision becomes blurry or wavy, making it difficult to read, drive, or recognize faces, while peripheral vision remains largely unaffected.
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