A nurse is caring for a patient diagnosed with cataracts. What cue is consistent with this diagnosis during the inspection of the eyes?
pupil constriction
cloudiness in the iris
redness in the sclera
cloudiness in the lens
The Correct Answer is D
A) Pupil constriction: Pupil constriction (miosis) is not a typical sign of cataracts. Cataracts usually cause blurred or cloudy vision due to the clouding of the lens. Pupil constriction may occur in other conditions, such as in response to certain medications or neurological changes, but it is not associated with cataracts.
B) Cloudiness in the iris: The iris is the colored part of the eye that controls the size of the pupil. While cataracts affect vision, they typically involve the lens rather than the iris. Cloudiness in the iris could indicate other conditions, such as inflammation or infection, but it is not a characteristic of cataracts.
C) Redness in the sclera: Redness in the sclera (the white part of the eye) is usually caused by irritation, infection, or injury, such as conjunctivitis or subconjunctival hemorrhage. It is not a typical sign of cataracts, which primarily affect the lens and do not typically cause changes to the sclera.
D) Cloudiness in the lens: Cataracts are characterized by the clouding of the lens, which can result in blurry, hazy, or diminished vision. This cloudiness is visible during an eye examination, typically as a white or grayish opacity in the lens. This is the most consistent finding with cataracts.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Glossitis: Glossitis refers to inflammation of the tongue, which can lead to redness, swelling, and sometimes a smooth appearance. It does not typically cause whitish thickening or growths in the mouth that cannot be scraped off. Glossitis is more related to the tongue's surface rather than abnormal growths or lesions.
B) Tonsillitis: Tonsillitis is an infection or inflammation of the tonsils, typically caused by viral or bacterial infections. It results in sore throat, swelling of the tonsils, and sometimes white patches. However, tonsillitis does not cause whitish thickening or growths on the oral mucosa that cannot be scraped off, making it an unlikely diagnosis here.
C) Herpes simplex: Herpes simplex virus (HSV) infections can cause oral lesions, such as cold sores or blisters. These lesions are usually painful, fluid-filled, and can be scraped off. They do not cause thick, white, non-scrapable growths like leukoplakia does.
D) Leukoplakia: Leukoplakia refers to the development of thick, white patches on the mucous membranes of the mouth, which cannot be scraped off. It is often associated with conditions like HIV, smoking, and chronic irritation. The presence of leukoplakia in an HIV-positive patient is concerning because it can be precancerous. This is the correct term for the finding described in the question.
Correct Answer is A
Explanation
A) At the base of the skull: The occipital lymph nodes are located at the base of the skull, just above the nape of the neck. The nurse should use a gentle circular motion to palpate the area where these lymph nodes are found. This is the correct location to assess for tenderness, swelling, or abnormalities in the occipital lymph nodes.
B) In front of the ears: The lymph nodes located in front of the ears are known as the preauricular lymph nodes. These are not the occipital lymph nodes. The preauricular nodes are assessed by palpating just in front of the ear, not at the base of the skull.
C) Under the mandible: The submandibular lymph nodes are located under the mandible (lower jaw). These nodes are not the occipital lymph nodes. The nurse would need to palpate under the jawline to assess the submandibular area.
D) Above the clavicles: The supraclavicular lymph nodes are located above the clavicles (collarbones), and they are not the occipital lymph nodes. This area is assessed separately to check for lymph node enlargement or abnormal findings.
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